./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-invgen/NetBSD_loop.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff 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_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-invgen/NetBSD_loop.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b38f47c3dcd7731e15cfc2cee00261f352bac0ed4fe94aeeb81a5c76defb252d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:36:00,594 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:36:00,668 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:36:00,674 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:36:00,675 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:36:00,702 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:36:00,702 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:36:00,703 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:36:00,704 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:36:00,705 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:36:00,705 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:36:00,706 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:36:00,706 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:36:00,707 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:36:00,708 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:36:00,708 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:36:00,709 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:36:00,709 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:36:00,710 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:36:00,711 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:36:00,711 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:36:00,712 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:36:00,713 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:36:00,713 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:36:00,714 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:36:00,714 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:36:00,715 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:36:00,715 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:36:00,716 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:36:00,716 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:36:00,717 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:36:00,717 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:36:00,718 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:36:00,718 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:36:00,719 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:36:00,720 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:36:00,720 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_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b38f47c3dcd7731e15cfc2cee00261f352bac0ed4fe94aeeb81a5c76defb252d [2023-11-19 07:36:00,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:36:00,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:36:01,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:36:01,003 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:36:01,003 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:36:01,004 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/loop-invgen/NetBSD_loop.i [2023-11-19 07:36:04,188 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:36:04,403 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:36:04,404 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/sv-benchmarks/c/loop-invgen/NetBSD_loop.i [2023-11-19 07:36:04,412 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/data/d001c97e5/5d80b68a0c2a4920bf807108454ae849/FLAGb409fd26b [2023-11-19 07:36:04,427 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/data/d001c97e5/5d80b68a0c2a4920bf807108454ae849 [2023-11-19 07:36:04,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:36:04,431 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:36:04,433 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:36:04,433 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:36:04,438 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:36:04,439 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:04" (1/1) ... [2023-11-19 07:36:04,440 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ed8fcd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:04, skipping insertion in model container [2023-11-19 07:36:04,441 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:04" (1/1) ... [2023-11-19 07:36:04,463 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:36:04,649 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:36:04,660 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:36:04,682 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:36:04,697 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:36:04,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:04 WrapperNode [2023-11-19 07:36:04,698 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:36:04,699 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:36:04,699 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:36:04,699 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:36:04,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:04" (1/1) ... [2023-11-19 07:36:04,717 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:04" (1/1) ... [2023-11-19 07:36:04,741 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 54 [2023-11-19 07:36:04,741 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:36:04,742 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:36:04,743 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:36:04,744 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:36:04,753 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:04" (1/1) ... [2023-11-19 07:36:04,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:04" (1/1) ... [2023-11-19 07:36:04,770 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:04" (1/1) ... [2023-11-19 07:36:04,770 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:04" (1/1) ... [2023-11-19 07:36:04,773 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:04" (1/1) ... [2023-11-19 07:36:04,780 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:04" (1/1) ... [2023-11-19 07:36:04,782 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:04" (1/1) ... [2023-11-19 07:36:04,788 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:04" (1/1) ... [2023-11-19 07:36:04,789 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:36:04,795 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:36:04,795 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:36:04,796 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:36:04,796 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:04" (1/1) ... [2023-11-19 07:36:04,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:04,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:04,829 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:04,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:36:04,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:36:04,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:36:04,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:36:04,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:36:04,945 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:36:04,947 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:36:05,097 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:36:05,104 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:36:05,105 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:36:05,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:05 BoogieIcfgContainer [2023-11-19 07:36:05,111 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:36:05,112 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:36:05,112 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:36:05,117 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:36:05,117 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:36:05,118 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:36:04" (1/3) ... [2023-11-19 07:36:05,118 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3745d6fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:36:05, skipping insertion in model container [2023-11-19 07:36:05,119 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:36:05,119 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:04" (2/3) ... [2023-11-19 07:36:05,119 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3745d6fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:36:05, skipping insertion in model container [2023-11-19 07:36:05,119 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:36:05,119 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:05" (3/3) ... [2023-11-19 07:36:05,121 INFO L332 chiAutomizerObserver]: Analyzing ICFG NetBSD_loop.i [2023-11-19 07:36:05,210 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:36:05,210 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:36:05,210 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:36:05,210 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:36:05,210 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:36:05,211 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:36:05,211 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:36:05,211 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:36:05,216 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 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) [2023-11-19 07:36:05,244 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2023-11-19 07:36:05,245 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:36:05,245 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:36:05,252 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-19 07:36:05,252 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:36:05,252 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:36:05,253 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 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) [2023-11-19 07:36:05,258 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2023-11-19 07:36:05,259 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:36:05,259 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:36:05,260 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-19 07:36:05,260 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:36:05,269 INFO L748 eck$LassoCheckResult]: Stem: 17#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_~MAXPATHLEN~0#1, main_~pathbuf_off~0#1, main_~bound_off~0#1, main_~glob2_p_off~0#1, main_~glob2_pathbuf_off~0#1, main_~glob2_pathlim_off~0#1;havoc main_~MAXPATHLEN~0#1;havoc main_~pathbuf_off~0#1;havoc main_~bound_off~0#1;havoc main_~glob2_p_off~0#1;havoc main_~glob2_pathbuf_off~0#1;havoc main_~glob2_pathlim_off~0#1;havoc main_#t~nondet1#1;main_~MAXPATHLEN~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 10#L33true assume main_~MAXPATHLEN~0#1 > 0 && main_~MAXPATHLEN~0#1 < 2147483647; 8#L33-1true main_~pathbuf_off~0#1 := 0;main_~bound_off~0#1 := main_~pathbuf_off~0#1 + (1 + main_~MAXPATHLEN~0#1) - 1;main_~glob2_pathbuf_off~0#1 := main_~pathbuf_off~0#1;main_~glob2_pathlim_off~0#1 := main_~bound_off~0#1;main_~glob2_p_off~0#1 := main_~glob2_pathbuf_off~0#1; 6#L38-3true [2023-11-19 07:36:05,272 INFO L750 eck$LassoCheckResult]: Loop: 6#L38-3true assume !!(main_~glob2_p_off~0#1 <= main_~glob2_pathlim_off~0#1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 0 <= main_~glob2_p_off~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 13#L18true assume !(0 == __VERIFIER_assert_~cond#1); 15#L18-2true havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~glob2_p_off~0#1 < 1 + main_~MAXPATHLEN~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 16#L18-3true assume !(0 == __VERIFIER_assert_~cond#1); 7#L18-5true havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true; 12#L38-2true main_#t~post2#1 := main_~glob2_p_off~0#1;main_~glob2_p_off~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 6#L38-3true [2023-11-19 07:36:05,279 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:05,280 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2023-11-19 07:36:05,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:05,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602429107] [2023-11-19 07:36:05,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:05,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:05,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:05,462 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:36:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:05,507 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:36:05,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:05,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1403889055, now seen corresponding path program 1 times [2023-11-19 07:36:05,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:05,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342473964] [2023-11-19 07:36:05,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:05,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:05,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:05,542 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:36:05,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:05,574 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:36:05,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:05,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1078791995, now seen corresponding path program 1 times [2023-11-19 07:36:05,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:05,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924390963] [2023-11-19 07:36:05,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:05,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:05,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:05,618 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:36:05,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:05,658 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:36:05,836 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:36:05,837 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:36:05,837 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:36:05,837 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:36:05,837 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:36:05,838 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:05,838 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:36:05,838 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:36:05,838 INFO L133 ssoRankerPreferences]: Filename of dumped script: NetBSD_loop.i_Iteration1_Loop [2023-11-19 07:36:05,838 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:36:05,839 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:36:05,856 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:05,875 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:05,878 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:05,881 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:05,927 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:36:05,928 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-19 07:36:05,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:05,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:05,935 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:05,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-19 07:36:05,945 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:36:05,945 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:36:06,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-11-19 07:36:06,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:06,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:06,010 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:06,017 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:36:06,017 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:36:06,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-19 07:36:06,128 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-19 07:36:06,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:06,136 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:36:06,136 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:36:06,136 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:36:06,137 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:36:06,137 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:36:06,137 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:06,137 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:36:06,137 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:36:06,137 INFO L133 ssoRankerPreferences]: Filename of dumped script: NetBSD_loop.i_Iteration1_Loop [2023-11-19 07:36:06,138 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:36:06,138 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:36:06,139 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:06,152 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:06,156 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:06,160 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:06,197 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:36:06,202 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:36:06,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:06,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:06,205 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:06,216 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 [2023-11-19 07:36:06,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-19 07:36:06,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:36:06,229 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:36:06,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:36:06,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:36:06,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:36:06,233 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:36:06,234 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:36:06,249 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:36:06,257 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-19 07:36:06,257 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-19 07:36:06,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:06,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:06,305 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:06,312 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:36:06,312 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-19 07:36:06,313 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:36:06,313 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~glob2_p_off~0#1, ULTIMATE.start_main_~glob2_pathlim_off~0#1) = -2*ULTIMATE.start_main_~glob2_p_off~0#1 + 2*ULTIMATE.start_main_~glob2_pathlim_off~0#1 + 1 Supporting invariants [] [2023-11-19 07:36:06,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-19 07:36:06,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:06,342 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-19 07:36:06,393 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:06,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:06,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:36:06,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:36:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:06,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:36:06,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:36:06,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:36:06,542 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 [2023-11-19 07:36:06,545 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 20 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 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 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:36:06,629 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 20 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 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 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 50 states and 64 transitions. Complement of second has 8 states. [2023-11-19 07:36:06,632 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 [2023-11-19 07:36:06,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:36:06,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 46 transitions. [2023-11-19 07:36:06,639 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 46 transitions. Stem has 4 letters. Loop has 6 letters. [2023-11-19 07:36:06,640 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:36:06,640 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 46 transitions. Stem has 10 letters. Loop has 6 letters. [2023-11-19 07:36:06,640 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:36:06,641 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 46 transitions. Stem has 4 letters. Loop has 12 letters. [2023-11-19 07:36:06,641 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:36:06,642 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 64 transitions. [2023-11-19 07:36:06,646 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:36:06,648 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 0 states and 0 transitions. [2023-11-19 07:36:06,649 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-19 07:36:06,650 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-19 07:36:06,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-19 07:36:06,650 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:36:06,650 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:36:06,651 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:36:06,651 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:36:06,651 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:36:06,651 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:36:06,651 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:36:06,651 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-19 07:36:06,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:36:06 BoogieIcfgContainer [2023-11-19 07:36:06,659 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 07:36:06,659 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:36:06,660 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:36:06,660 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:36:06,660 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:05" (3/4) ... [2023-11-19 07:36:06,662 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:36:06,663 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:36:06,664 INFO L158 Benchmark]: Toolchain (without parser) took 2232.82ms. Allocated memory is still 165.7MB. Free memory was 123.1MB in the beginning and 95.5MB in the end (delta: 27.6MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2023-11-19 07:36:06,665 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 98.6MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:36:06,665 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.12ms. Allocated memory is still 165.7MB. Free memory was 122.6MB in the beginning and 112.5MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 07:36:06,666 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.83ms. Allocated memory is still 165.7MB. Free memory was 112.5MB in the beginning and 110.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:36:06,667 INFO L158 Benchmark]: Boogie Preprocessor took 51.82ms. Allocated memory is still 165.7MB. Free memory was 110.9MB in the beginning and 110.0MB in the end (delta: 929.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:36:06,667 INFO L158 Benchmark]: RCFGBuilder took 316.01ms. Allocated memory is still 165.7MB. Free memory was 110.0MB in the beginning and 100.4MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 07:36:06,668 INFO L158 Benchmark]: BuchiAutomizer took 1546.81ms. Allocated memory is still 165.7MB. Free memory was 100.0MB in the beginning and 95.5MB in the end (delta: 4.5MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2023-11-19 07:36:06,668 INFO L158 Benchmark]: Witness Printer took 4.06ms. Allocated memory is still 165.7MB. Free memory is still 95.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:36:06,672 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 98.6MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.12ms. Allocated memory is still 165.7MB. Free memory was 122.6MB in the beginning and 112.5MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.83ms. Allocated memory is still 165.7MB. Free memory was 112.5MB in the beginning and 110.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.82ms. Allocated memory is still 165.7MB. Free memory was 110.9MB in the beginning and 110.0MB in the end (delta: 929.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 316.01ms. Allocated memory is still 165.7MB. Free memory was 110.0MB in the beginning and 100.4MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1546.81ms. Allocated memory is still 165.7MB. Free memory was 100.0MB in the beginning and 95.5MB in the end (delta: 4.5MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * Witness Printer took 4.06ms. Allocated memory is still 165.7MB. Free memory is still 95.5MB. 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 (((-2 * glob2_p_off) + (2 * glob2_pathlim_off)) + 1) and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. 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, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 17 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq137 hnf95 smp100 dnf100 smp100 tf109 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 110ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-19 07:36:06,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:06,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8c50b9-48d7-4785-91f5-27f9ba35bf79/bin/uautomizer-verify-uCwYo4JHxu/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