./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/b.11.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/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_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/b.11.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/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_b26b9060-7566-4c65-9ead-76742aba3c18/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 5b4c99d0b33a566b40cf4365ddd1611945e8961cf9631a2c233f1ae25de30e8d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:03:56,252 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:03:56,376 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-06 23:03:56,385 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:03:56,386 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:03:56,425 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:03:56,427 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:03:56,427 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:03:56,429 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:03:56,434 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:03:56,435 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:03:56,436 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-06 23:03:56,436 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-06 23:03:56,438 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-06 23:03:56,438 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-06 23:03:56,439 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-06 23:03:56,439 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-06 23:03:56,440 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:03:56,440 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-06 23:03:56,441 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:03:56,441 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:03:56,442 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-06 23:03:56,442 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-06 23:03:56,443 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-06 23:03:56,443 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 23:03:56,443 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:03:56,444 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-06 23:03:56,444 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:03:56,445 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:03:56,445 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:03:56,446 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:03:56,447 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:03:56,447 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-06 23:03:56,448 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_b26b9060-7566-4c65-9ead-76742aba3c18/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b4c99d0b33a566b40cf4365ddd1611945e8961cf9631a2c233f1ae25de30e8d [2023-11-06 23:03:56,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:03:56,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:03:56,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:03:56,768 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:03:56,769 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:03:56,770 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/termination-restricted-15/b.11.c [2023-11-06 23:03:59,777 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:03:59,981 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:03:59,982 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/sv-benchmarks/c/termination-restricted-15/b.11.c [2023-11-06 23:03:59,990 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/data/15cf44c06/8e6aabc34ff8493d867e6bdd55d6738a/FLAG23bcc1669 [2023-11-06 23:04:00,011 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/data/15cf44c06/8e6aabc34ff8493d867e6bdd55d6738a [2023-11-06 23:04:00,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:04:00,020 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:04:00,024 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:04:00,024 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:04:00,030 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:04:00,031 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:04:00" (1/1) ... [2023-11-06 23:04:00,033 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a94d693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:00, skipping insertion in model container [2023-11-06 23:04:00,033 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:04:00" (1/1) ... [2023-11-06 23:04:00,054 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:04:00,200 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:04:00,205 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:04:00,217 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:04:00,228 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:04:00,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:00 WrapperNode [2023-11-06 23:04:00,228 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:04:00,229 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:04:00,229 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:04:00,230 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:04:00,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:00" (1/1) ... [2023-11-06 23:04:00,242 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:00" (1/1) ... [2023-11-06 23:04:00,260 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2023-11-06 23:04:00,260 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:04:00,261 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:04:00,261 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:04:00,261 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:04:00,269 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:00" (1/1) ... [2023-11-06 23:04:00,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:00" (1/1) ... [2023-11-06 23:04:00,270 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:00" (1/1) ... [2023-11-06 23:04:00,271 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:00" (1/1) ... [2023-11-06 23:04:00,274 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:00" (1/1) ... [2023-11-06 23:04:00,282 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:00" (1/1) ... [2023-11-06 23:04:00,283 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:00" (1/1) ... [2023-11-06 23:04:00,284 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:00" (1/1) ... [2023-11-06 23:04:00,285 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:04:00,286 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:04:00,286 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:04:00,286 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:04:00,287 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:00" (1/1) ... [2023-11-06 23:04:00,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:00,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:00,325 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:00,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-06 23:04:00,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:04:00,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:04:00,454 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:04:00,457 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:04:00,585 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:04:00,594 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:04:00,607 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 23:04:00,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:04:00 BoogieIcfgContainer [2023-11-06 23:04:00,610 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:04:00,611 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-06 23:04:00,611 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-06 23:04:00,615 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-06 23:04:00,618 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 23:04:00,619 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.11 11:04:00" (1/3) ... [2023-11-06 23:04:00,620 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2bc9fdac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 11:04:00, skipping insertion in model container [2023-11-06 23:04:00,621 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 23:04:00,621 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:00" (2/3) ... [2023-11-06 23:04:00,621 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2bc9fdac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 11:04:00, skipping insertion in model container [2023-11-06 23:04:00,623 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 23:04:00,624 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:04:00" (3/3) ... [2023-11-06 23:04:00,625 INFO L332 chiAutomizerObserver]: Analyzing ICFG b.11.c [2023-11-06 23:04:00,697 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-06 23:04:00,698 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-06 23:04:00,698 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-06 23:04:00,698 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-06 23:04:00,698 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-06 23:04:00,699 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-06 23:04:00,701 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-06 23:04:00,701 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-06 23:04:00,707 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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 23:04:00,725 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-06 23:04:00,726 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 23:04:00,726 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 23:04:00,734 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 23:04:00,734 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 23:04:00,734 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-06 23:04:00,735 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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 23:04:00,737 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-06 23:04:00,738 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 23:04:00,738 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 23:04:00,739 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 23:04:00,739 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 23:04:00,747 INFO L748 eck$LassoCheckResult]: Stem: 4#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~c~0#1 := 0; 8#L15-2true [2023-11-06 23:04:00,748 INFO L750 eck$LassoCheckResult]: Loop: 8#L15-2true assume !!(((main_~x~0#1 >= 0 && main_~y~0#1 < 2147483647 - main_~x~0#1) || (main_~x~0#1 < 0 && main_~y~0#1 > -2147483648 - main_~x~0#1)) && main_~x~0#1 + main_~y~0#1 > 0); 9#L12true assume main_~x~0#1 > main_~y~0#1;main_~x~0#1 := main_~x~0#1 - 1; 8#L15-2true [2023-11-06 23:04:00,755 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:04:00,756 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-06 23:04:00,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:04:00,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265545878] [2023-11-06 23:04:00,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:00,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:04:00,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:04:00,906 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:04:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:04:00,933 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:04:00,937 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:04:00,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1316, now seen corresponding path program 1 times [2023-11-06 23:04:00,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:04:00,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538448283] [2023-11-06 23:04:00,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:00,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:04:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:04:00,955 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:04:00,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:04:00,963 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:04:00,965 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:04:00,965 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2023-11-06 23:04:00,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:04:00,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764657627] [2023-11-06 23:04:00,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:00,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:04:00,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:04:00,976 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:04:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:04:00,985 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:04:01,130 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 23:04:01,130 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 23:04:01,131 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 23:04:01,131 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 23:04:01,131 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-06 23:04:01,131 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:01,131 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 23:04:01,131 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 23:04:01,132 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.11.c_Iteration1_Loop [2023-11-06 23:04:01,132 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 23:04:01,132 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 23:04:01,151 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 23:04:01,164 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 23:04:01,169 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 23:04:01,242 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 23:04:01,243 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-06 23:04:01,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:01,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:01,251 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:01,254 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 23:04:01,254 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 23:04:01,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-06 23:04:01,281 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-06 23:04:01,281 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 23:04:01,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:01,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:01,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:01,291 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:01,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-06 23:04:01,294 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 23:04:01,294 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 23:04:01,315 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-06 23:04:01,316 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 23:04:01,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:01,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:01,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:01,324 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:01,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-06 23:04:01,329 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 23:04:01,329 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 23:04:01,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:01,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:01,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:01,370 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:01,380 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-06 23:04:01,380 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 23:04:01,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-06 23:04:01,416 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-06 23:04:01,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:01,426 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 23:04:01,426 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 23:04:01,426 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 23:04:01,426 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 23:04:01,426 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 23:04:01,426 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:01,427 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 23:04:01,427 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 23:04:01,427 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.11.c_Iteration1_Loop [2023-11-06 23:04:01,427 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 23:04:01,427 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 23:04:01,429 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 23:04:01,439 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 23:04:01,444 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 23:04:01,521 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 23:04:01,525 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 23:04:01,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:01,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:01,532 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:01,545 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 23:04:01,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-06 23:04:01,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:04:01,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:04:01,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:04:01,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:04:01,564 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:04:01,564 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:04:01,577 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:04:01,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:01,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:01,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:01,583 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:01,596 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 23:04:01,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:04:01,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:04:01,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:04:01,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:04:01,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-06 23:04:01,613 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:04:01,616 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:04:01,624 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:04:01,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:01,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:01,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:01,637 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:01,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:04:01,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-06 23:04:01,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:04:01,653 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:04:01,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:04:01,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:04:01,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:04:01,655 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:04:01,656 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:04:01,667 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 23:04:01,673 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-06 23:04:01,673 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 2 variables to zero. [2023-11-06 23:04:01,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:01,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:01,718 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:01,725 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 23:04:01,725 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-06 23:04:01,725 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 23:04:01,726 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2023-11-06 23:04:01,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-06 23:04:01,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:01,737 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-06 23:04:01,765 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:04:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:01,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:04:01,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:04:01,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:01,799 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 23:04:01,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:04:01,841 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 23:04:01,892 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 23:04:01,894 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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 23:04:01,965 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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 22 states and 32 transitions. Complement of second has 8 states. [2023-11-06 23:04:01,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-06 23:04:01,975 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 23:04:01,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2023-11-06 23:04:01,985 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 2 letters. Loop has 2 letters. [2023-11-06 23:04:01,986 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:04:01,986 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 4 letters. Loop has 2 letters. [2023-11-06 23:04:01,987 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:04:01,987 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 2 letters. Loop has 4 letters. [2023-11-06 23:04:01,987 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:04:01,988 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 32 transitions. [2023-11-06 23:04:01,991 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-06 23:04:01,995 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 11 states and 15 transitions. [2023-11-06 23:04:01,996 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2023-11-06 23:04:01,996 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2023-11-06 23:04:01,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 15 transitions. [2023-11-06 23:04:01,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 23:04:01,997 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 15 transitions. [2023-11-06 23:04:02,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 15 transitions. [2023-11-06 23:04:02,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2023-11-06 23:04:02,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.4) 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) [2023-11-06 23:04:02,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 14 transitions. [2023-11-06 23:04:02,025 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 14 transitions. [2023-11-06 23:04:02,025 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 14 transitions. [2023-11-06 23:04:02,025 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-06 23:04:02,025 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 14 transitions. [2023-11-06 23:04:02,026 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-06 23:04:02,027 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 23:04:02,027 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 23:04:02,027 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-06 23:04:02,027 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 23:04:02,027 INFO L748 eck$LassoCheckResult]: Stem: 70#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 71#L-1 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_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~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;main_~c~0#1 := 0; 77#L15-2 assume !!(((main_~x~0#1 >= 0 && main_~y~0#1 < 2147483647 - main_~x~0#1) || (main_~x~0#1 < 0 && main_~y~0#1 > -2147483648 - main_~x~0#1)) && main_~x~0#1 + main_~y~0#1 > 0); 78#L12 [2023-11-06 23:04:02,028 INFO L750 eck$LassoCheckResult]: Loop: 78#L12 assume !(main_~x~0#1 > main_~y~0#1); 72#L15 assume !(main_~x~0#1 == main_~y~0#1);main_~y~0#1 := main_~y~0#1 - 1; 73#L15-2 assume !!(((main_~x~0#1 >= 0 && main_~y~0#1 < 2147483647 - main_~x~0#1) || (main_~x~0#1 < 0 && main_~y~0#1 > -2147483648 - main_~x~0#1)) && main_~x~0#1 + main_~y~0#1 > 0); 78#L12 [2023-11-06 23:04:02,029 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:04:02,029 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2023-11-06 23:04:02,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:04:02,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890915005] [2023-11-06 23:04:02,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:02,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:04:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:04:02,047 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:04:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:04:02,057 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:04:02,059 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:04:02,059 INFO L85 PathProgramCache]: Analyzing trace with hash 45829, now seen corresponding path program 1 times [2023-11-06 23:04:02,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:04:02,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872423108] [2023-11-06 23:04:02,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:02,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:04:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:04:02,076 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:04:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:04:02,089 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:04:02,090 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:04:02,090 INFO L85 PathProgramCache]: Analyzing trace with hash 889694462, now seen corresponding path program 1 times [2023-11-06 23:04:02,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:04:02,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884715077] [2023-11-06 23:04:02,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:02,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:04:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:04:02,109 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:04:02,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:04:02,118 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:04:02,213 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 23:04:02,213 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 23:04:02,213 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 23:04:02,213 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 23:04:02,213 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-06 23:04:02,213 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:02,213 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 23:04:02,214 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 23:04:02,214 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.11.c_Iteration2_Loop [2023-11-06 23:04:02,214 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 23:04:02,214 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 23:04:02,216 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 23:04:02,221 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 23:04:02,236 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 23:04:02,375 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 23:04:02,375 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-06 23:04:02,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:02,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:02,380 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:02,391 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 23:04:02,391 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 23:04:02,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-06 23:04:02,414 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-06 23:04:02,414 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-06 23:04:02,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:02,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:02,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:02,425 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:02,433 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 23:04:02,433 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 23:04:02,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-06 23:04:02,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:02,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:02,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:02,477 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:02,486 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-06 23:04:02,486 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 23:04:02,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-06 23:04:02,519 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-06 23:04:02,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:02,528 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 23:04:02,528 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 23:04:02,535 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 23:04:02,535 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 23:04:02,536 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 23:04:02,536 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:02,536 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 23:04:02,536 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 23:04:02,536 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.11.c_Iteration2_Loop [2023-11-06 23:04:02,536 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 23:04:02,536 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 23:04:02,538 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 23:04:02,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:02,547 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 23:04:02,564 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 23:04:02,705 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 23:04:02,705 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 23:04:02,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:02,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:02,712 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:02,720 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 23:04:02,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:04:02,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:04:02,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:04:02,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:04:02,736 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:04:02,736 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:04:02,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-06 23:04:02,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:04:02,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:02,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:02,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:02,757 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:02,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-06 23:04:02,763 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 23:04:02,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:04:02,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:04:02,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:04:02,774 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-06 23:04:02,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:04:02,776 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-06 23:04:02,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:04:02,789 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 23:04:02,795 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-11-06 23:04:02,795 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 2 variables to zero. [2023-11-06 23:04:02,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:04:02,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:02,800 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:02,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-06 23:04:02,805 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 23:04:02,805 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-06 23:04:02,805 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 23:04:02,805 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2023-11-06 23:04:02,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:02,816 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-06 23:04:02,833 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:04:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:02,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:04:02,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:04:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:02,854 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 23:04:02,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:04:02,923 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 23:04:02,924 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-06 23:04:02,924 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 14 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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) [2023-11-06 23:04:02,991 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 14 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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 35 states and 51 transitions. Complement of second has 9 states. [2023-11-06 23:04:02,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-06 23:04:02,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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) [2023-11-06 23:04:02,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 19 transitions. [2023-11-06 23:04:02,993 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 3 letters. Loop has 3 letters. [2023-11-06 23:04:02,993 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:04:02,993 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 6 letters. Loop has 3 letters. [2023-11-06 23:04:02,994 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:04:02,994 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 3 letters. Loop has 6 letters. [2023-11-06 23:04:02,994 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:04:02,994 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 51 transitions. [2023-11-06 23:04:02,998 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 23:04:02,998 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2023-11-06 23:04:02,998 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-06 23:04:02,998 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-06 23:04:02,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-06 23:04:02,999 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:04:02,999 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 23:04:02,999 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 23:04:02,999 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 23:04:02,999 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-06 23:04:02,999 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-06 23:04:03,000 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 23:04:03,000 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-06 23:04:03,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.11 11:04:03 BoogieIcfgContainer [2023-11-06 23:04:03,008 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-06 23:04:03,009 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:04:03,009 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:04:03,009 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:04:03,010 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:04:00" (3/4) ... [2023-11-06 23:04:03,012 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 23:04:03,013 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:04:03,014 INFO L158 Benchmark]: Toolchain (without parser) took 2993.46ms. Allocated memory was 121.6MB in the beginning and 159.4MB in the end (delta: 37.7MB). Free memory was 77.7MB in the beginning and 107.1MB in the end (delta: -29.4MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2023-11-06 23:04:03,014 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:04:03,015 INFO L158 Benchmark]: CACSL2BoogieTranslator took 204.77ms. Allocated memory is still 121.6MB. Free memory was 77.7MB in the beginning and 68.3MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 23:04:03,016 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.86ms. Allocated memory is still 121.6MB. Free memory was 68.3MB in the beginning and 67.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:04:03,016 INFO L158 Benchmark]: Boogie Preprocessor took 24.43ms. Allocated memory is still 121.6MB. Free memory was 67.1MB in the beginning and 65.9MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 23:04:03,017 INFO L158 Benchmark]: RCFGBuilder took 324.06ms. Allocated memory is still 121.6MB. Free memory was 65.9MB in the beginning and 57.1MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 23:04:03,017 INFO L158 Benchmark]: BuchiAutomizer took 2397.25ms. Allocated memory was 121.6MB in the beginning and 159.4MB in the end (delta: 37.7MB). Free memory was 57.1MB in the beginning and 107.1MB in the end (delta: -50.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:04:03,018 INFO L158 Benchmark]: Witness Printer took 4.35ms. Allocated memory is still 159.4MB. Free memory is still 107.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:04:03,021 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 204.77ms. Allocated memory is still 121.6MB. Free memory was 77.7MB in the beginning and 68.3MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.86ms. Allocated memory is still 121.6MB. Free memory was 68.3MB in the beginning and 67.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.43ms. Allocated memory is still 121.6MB. Free memory was 67.1MB in the beginning and 65.9MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 324.06ms. Allocated memory is still 121.6MB. Free memory was 65.9MB in the beginning and 57.1MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2397.25ms. Allocated memory was 121.6MB in the beginning and 159.4MB in the end (delta: 37.7MB). Free memory was 57.1MB in the beginning and 107.1MB in the end (delta: -50.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.35ms. Allocated memory is still 159.4MB. Free memory is still 107.1MB. 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 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 5 locations. One deterministic module has affine ranking function y and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37 IncrementalHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 7 mSDtfsCounter, 37 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital25 mio100 ax148 hnf100 lsp67 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq131 hnf96 smp89 dnf132 smp96 tf105 neg100 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 51ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 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! [2023-11-06 23:04:03,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:03,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b26b9060-7566-4c65-9ead-76742aba3c18/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