./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 ef201cd54bcdc81a1760f6e60d88bd9cc04c6c00c0d7306b10fb5fb0b61b4e06 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:33:22,355 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:33:22,510 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-06 22:33:22,516 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:33:22,517 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:33:22,570 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:33:22,570 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:33:22,571 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:33:22,572 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:33:22,573 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:33:22,574 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:33:22,575 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-06 22:33:22,575 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-06 22:33:22,576 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-06 22:33:22,577 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-06 22:33:22,577 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-06 22:33:22,578 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-06 22:33:22,578 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:33:22,579 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-06 22:33:22,594 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:33:22,595 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:33:22,596 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-06 22:33:22,596 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-06 22:33:22,597 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-06 22:33:22,597 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:33:22,598 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:33:22,598 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-06 22:33:22,599 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:33:22,599 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:33:22,600 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:33:22,600 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:33:22,601 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:33:22,602 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-06 22:33:22,602 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef201cd54bcdc81a1760f6e60d88bd9cc04c6c00c0d7306b10fb5fb0b61b4e06 [2023-11-06 22:33:22,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:33:22,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:33:23,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:33:23,007 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:33:23,008 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:33:23,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c [2023-11-06 22:33:26,854 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:33:27,120 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:33:27,121 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c [2023-11-06 22:33:27,134 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/data/79d454b5b/93091c53ad674458997b141f72412ec3/FLAG2028eb6b3 [2023-11-06 22:33:27,164 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/data/79d454b5b/93091c53ad674458997b141f72412ec3 [2023-11-06 22:33:27,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:33:27,170 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:33:27,172 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:33:27,172 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:33:27,179 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:33:27,180 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:33:27" (1/1) ... [2023-11-06 22:33:27,182 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57f80003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:27, skipping insertion in model container [2023-11-06 22:33:27,182 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:33:27" (1/1) ... [2023-11-06 22:33:27,206 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:33:27,391 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:33:27,397 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:33:27,414 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:33:27,428 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:33:27,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:27 WrapperNode [2023-11-06 22:33:27,428 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:33:27,430 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:33:27,430 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:33:27,430 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:33:27,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:27" (1/1) ... [2023-11-06 22:33:27,443 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:27" (1/1) ... [2023-11-06 22:33:27,462 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2023-11-06 22:33:27,462 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:33:27,463 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:33:27,463 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:33:27,464 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:33:27,475 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:27" (1/1) ... [2023-11-06 22:33:27,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:27" (1/1) ... [2023-11-06 22:33:27,477 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:27" (1/1) ... [2023-11-06 22:33:27,477 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:27" (1/1) ... [2023-11-06 22:33:27,480 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:27" (1/1) ... [2023-11-06 22:33:27,485 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:27" (1/1) ... [2023-11-06 22:33:27,487 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:27" (1/1) ... [2023-11-06 22:33:27,488 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:27" (1/1) ... [2023-11-06 22:33:27,489 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:33:27,491 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:33:27,491 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:33:27,491 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:33:27,492 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:27" (1/1) ... [2023-11-06 22:33:27,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:33:27,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:33:27,546 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:33:27,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-06 22:33:27,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:33:27,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:33:27,701 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:33:27,704 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:33:27,846 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:33:27,854 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:33:27,854 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:33:27,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:33:27 BoogieIcfgContainer [2023-11-06 22:33:27,857 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:33:27,858 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-06 22:33:27,859 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-06 22:33:27,863 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-06 22:33:27,864 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:33:27,864 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.11 10:33:27" (1/3) ... [2023-11-06 22:33:27,866 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64f7d92b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:33:27, skipping insertion in model container [2023-11-06 22:33:27,866 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:33:27,866 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:33:27" (2/3) ... [2023-11-06 22:33:27,867 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64f7d92b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:33:27, skipping insertion in model container [2023-11-06 22:33:27,867 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:33:27,867 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:33:27" (3/3) ... [2023-11-06 22:33:27,869 INFO L332 chiAutomizerObserver]: Analyzing ICFG ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c [2023-11-06 22:33:27,943 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-06 22:33:27,943 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-06 22:33:27,943 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-06 22:33:27,943 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-06 22:33:27,943 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-06 22:33:27,944 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-06 22:33:27,944 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-06 22:33:27,944 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-06 22:33:27,950 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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) [2023-11-06 22:33:27,973 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-06 22:33:27,973 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:33:27,973 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:33:27,982 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 22:33:27,982 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 22:33:27,983 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-06 22:33:27,983 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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) [2023-11-06 22:33:27,985 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-06 22:33:27,985 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:33:27,985 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:33:27,986 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 22:33:27,986 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 22:33:27,994 INFO L748 eck$LassoCheckResult]: Stem: 9#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 12#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~y~0#1, main_~i~0#1, main_~r~0#1, main_~N~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~i~0#1;havoc main_~r~0#1;havoc main_~N~0#1;main_~N~0#1 := 10;main_~x~0#1 := 0;main_~y~0#1 := 0;main_~i~0#1 := 0; 5#L22-1true [2023-11-06 22:33:27,995 INFO L750 eck$LassoCheckResult]: Loop: 5#L22-1true assume !!(main_~i~0#1 < main_~N~0#1);main_~i~0#1 := 1 + main_~i~0#1;havoc main_#t~nondet0#1;main_~r~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 4#L22true assume !(main_~r~0#1 >= 0 && main_~r~0#1 <= 3); 5#L22-1true [2023-11-06 22:33:28,002 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:28,003 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-06 22:33:28,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:28,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49734865] [2023-11-06 22:33:28,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:28,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:28,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:33:28,103 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:33:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:33:28,130 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:33:28,134 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:28,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1339, now seen corresponding path program 1 times [2023-11-06 22:33:28,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:28,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914500389] [2023-11-06 22:33:28,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:28,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:28,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:33:28,152 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:33:28,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:33:28,160 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:33:28,162 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:28,163 INFO L85 PathProgramCache]: Analyzing trace with hash 925821, now seen corresponding path program 1 times [2023-11-06 22:33:28,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:28,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831403100] [2023-11-06 22:33:28,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:28,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:33:28,177 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:33:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:33:28,189 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:33:28,308 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:33:28,309 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:33:28,309 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:33:28,309 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:33:28,310 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-06 22:33:28,310 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:33:28,310 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:33:28,310 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:33:28,311 INFO L133 ssoRankerPreferences]: Filename of dumped script: ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c_Iteration1_Loop [2023-11-06 22:33:28,311 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:33:28,311 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:33:28,339 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:33:28,356 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:33:28,362 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:33:28,373 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:33:28,386 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:33:28,474 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:33:28,474 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-06 22:33:28,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:33:28,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:33:28,486 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:33:28,489 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:33:28,489 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:33:28,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-06 22:33:28,529 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-06 22:33:28,529 INFO L440 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: [] [2023-11-06 22:33:28,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:33:28,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:33:28,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:33:28,544 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:33:28,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-06 22:33:28,550 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:33:28,550 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:33:28,582 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-06 22:33:28,583 INFO L440 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: [] [2023-11-06 22:33:28,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:33:28,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:33:28,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:33:28,590 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:33:28,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-06 22:33:28,595 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:33:28,595 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:33:28,643 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-06 22:33:28,643 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~r~0#1=-1} Honda state: {ULTIMATE.start_main_~r~0#1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-06 22:33:28,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:33:28,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:33:28,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:33:28,652 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:33:28,663 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:33:28,663 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:33:28,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-06 22:33:28,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:33:28,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:33:28,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:33:28,689 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:33:28,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-06 22:33:28,699 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-06 22:33:28,699 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:33:28,876 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-06 22:33:28,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-11-06 22:33:28,880 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:33:28,881 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:33:28,881 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:33:28,881 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:33:28,881 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:33:28,881 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:33:28,882 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:33:28,882 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:33:28,882 INFO L133 ssoRankerPreferences]: Filename of dumped script: ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c_Iteration1_Loop [2023-11-06 22:33:28,882 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:33:28,882 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:33:28,885 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:33:28,907 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:33:28,920 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:33:28,930 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:33:28,945 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:33:29,047 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:33:29,054 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:33:29,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:33:29,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:33:29,059 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:33:29,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-06 22:33:29,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:33:29,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:33:29,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:33:29,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:33:29,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:33:29,095 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:33:29,095 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:33:29,111 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:33:29,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:33:29,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:33:29,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:33:29,122 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:33:29,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:33:29,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-06 22:33:29,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:33:29,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:33:29,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:33:29,149 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-06 22:33:29,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:33:29,152 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-06 22:33:29,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:33:29,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:33:29,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:33:29,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:33:29,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:33:29,185 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:33:29,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-06 22:33:29,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:33:29,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:33:29,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:33:29,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:33:29,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:33:29,216 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:33:29,217 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:33:29,250 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:33:29,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-06 22:33:29,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:33:29,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:33:29,262 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:33:29,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-06 22:33:29,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:33:29,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:33:29,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:33:29,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:33:29,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:33:29,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:33:29,290 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:33:29,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:33:29,306 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:33:29,319 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-06 22:33:29,320 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-06 22:33:29,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:33:29,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:33:29,359 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:33:29,364 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:33:29,365 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-06 22:33:29,365 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:33:29,366 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~N~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~N~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2023-11-06 22:33:29,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-06 22:33:29,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:33:29,381 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-06 22:33:29,424 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:29,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:33:29,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:33:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:29,469 WARN L260 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:33:29,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:33:29,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:29,603 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 [2023-11-06 22:33:29,606 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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) [2023-11-06 22:33:29,662 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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 26 states and 39 transitions. Complement of second has 6 states. [2023-11-06 22:33:29,665 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 [2023-11-06 22:33:29,671 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) [2023-11-06 22:33:29,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2023-11-06 22:33:29,674 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 2 letters. Loop has 2 letters. [2023-11-06 22:33:29,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:33:29,676 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 4 letters. Loop has 2 letters. [2023-11-06 22:33:29,676 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:33:29,676 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 2 letters. Loop has 4 letters. [2023-11-06 22:33:29,677 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:33:29,678 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 39 transitions. [2023-11-06 22:33:29,681 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 22:33:29,684 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2023-11-06 22:33:29,686 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-06 22:33:29,686 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-06 22:33:29,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-06 22:33:29,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:33:29,687 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:33:29,687 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:33:29,687 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:33:29,688 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-06 22:33:29,688 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:33:29,688 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 22:33:29,688 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-06 22:33:29,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.11 10:33:29 BoogieIcfgContainer [2023-11-06 22:33:29,697 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-06 22:33:29,698 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:33:29,698 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:33:29,698 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:33:29,699 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:33:27" (3/4) ... [2023-11-06 22:33:29,701 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:33:29,702 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:33:29,704 INFO L158 Benchmark]: Toolchain (without parser) took 2533.61ms. Allocated memory is still 186.6MB. Free memory was 156.8MB in the beginning and 99.2MB in the end (delta: 57.6MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. [2023-11-06 22:33:29,704 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 130.0MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:33:29,705 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.09ms. Allocated memory is still 186.6MB. Free memory was 156.6MB in the beginning and 150.7MB in the end (delta: 5.9MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2023-11-06 22:33:29,706 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.64ms. Allocated memory is still 186.6MB. Free memory was 150.7MB in the beginning and 149.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:33:29,706 INFO L158 Benchmark]: Boogie Preprocessor took 26.48ms. Allocated memory is still 186.6MB. Free memory was 149.6MB in the beginning and 148.6MB in the end (delta: 938.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:33:29,707 INFO L158 Benchmark]: RCFGBuilder took 366.65ms. Allocated memory is still 186.6MB. Free memory was 148.6MB in the beginning and 153.7MB in the end (delta: -5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 22:33:29,708 INFO L158 Benchmark]: BuchiAutomizer took 1838.51ms. Allocated memory is still 186.6MB. Free memory was 153.7MB in the beginning and 99.2MB in the end (delta: 54.4MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2023-11-06 22:33:29,709 INFO L158 Benchmark]: Witness Printer took 4.84ms. Allocated memory is still 186.6MB. Free memory is still 99.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:33:29,713 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 130.0MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 257.09ms. Allocated memory is still 186.6MB. Free memory was 156.6MB in the beginning and 150.7MB in the end (delta: 5.9MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.64ms. Allocated memory is still 186.6MB. Free memory was 150.7MB in the beginning and 149.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.48ms. Allocated memory is still 186.6MB. Free memory was 149.6MB in the beginning and 148.6MB in the end (delta: 938.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 366.65ms. Allocated memory is still 186.6MB. Free memory was 148.6MB in the beginning and 153.7MB in the end (delta: -5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1838.51ms. Allocated memory is still 186.6MB. Free memory was 153.7MB in the beginning and 99.2MB in the end (delta: 54.4MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * Witness Printer took 4.84ms. Allocated memory is still 186.6MB. Free memory is still 99.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function ((-1 * i) + N) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 14 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax163 hnf100 lsp38 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf94 smp100 dnf100 smp100 tf111 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 56ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-06 22:33:29,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:33:29,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6c62bd-8ac5-4a28-a083-cb24f7a643a2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE