./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797840f1-74fe-4e15-9e0e-ae010ec8a7f5/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797840f1-74fe-4e15-9e0e-ae010ec8a7f5/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797840f1-74fe-4e15-9e0e-ae010ec8a7f5/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797840f1-74fe-4e15-9e0e-ae010ec8a7f5/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797840f1-74fe-4e15-9e0e-ae010ec8a7f5/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797840f1-74fe-4e15-9e0e-ae010ec8a7f5/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c64ddc091da8ed0532dcccc83eb64a4ecc9abe88fb93c047052ca7ac9ea29989 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:33:54,071 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:33:54,163 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797840f1-74fe-4e15-9e0e-ae010ec8a7f5/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-24 00:33:54,170 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:33:54,170 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:33:54,206 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:33:54,207 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:33:54,207 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:33:54,207 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:33:54,207 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:33:54,208 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:33:54,208 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:33:54,208 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:33:54,208 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-24 00:33:54,208 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-24 00:33:54,208 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-24 00:33:54,209 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-24 00:33:54,209 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-24 00:33:54,209 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-24 00:33:54,209 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:33:54,209 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-24 00:33:54,209 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:33:54,209 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:33:54,210 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-24 00:33:54,210 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-24 00:33:54,210 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-24 00:33:54,210 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 00:33:54,210 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:33:54,210 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-24 00:33:54,210 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:33:54,210 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:33:54,211 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:33:54,211 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:33:54,211 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:33:54,211 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-24 00:33:54,211 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-24 00:33:54,212 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797840f1-74fe-4e15-9e0e-ae010ec8a7f5/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c64ddc091da8ed0532dcccc83eb64a4ecc9abe88fb93c047052ca7ac9ea29989 [2024-11-24 00:33:54,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:33:54,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:33:54,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:33:54,539 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:33:54,539 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:33:54,540 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797840f1-74fe-4e15-9e0e-ae010ec8a7f5/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c [2024-11-24 00:33:57,390 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797840f1-74fe-4e15-9e0e-ae010ec8a7f5/bin/uautomizer-verify-LYvppIcaGC/data/9df3b11ef/07a85c76203c4f47bb325080e1c101ac/FLAGbb6fd2677 [2024-11-24 00:33:57,639 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:33:57,639 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797840f1-74fe-4e15-9e0e-ae010ec8a7f5/sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c [2024-11-24 00:33:57,647 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797840f1-74fe-4e15-9e0e-ae010ec8a7f5/bin/uautomizer-verify-LYvppIcaGC/data/9df3b11ef/07a85c76203c4f47bb325080e1c101ac/FLAGbb6fd2677 [2024-11-24 00:33:57,697 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797840f1-74fe-4e15-9e0e-ae010ec8a7f5/bin/uautomizer-verify-LYvppIcaGC/data/9df3b11ef/07a85c76203c4f47bb325080e1c101ac [2024-11-24 00:33:57,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:33:57,702 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:33:57,703 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:33:57,703 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:33:57,709 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:33:57,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:33:57" (1/1) ... [2024-11-24 00:33:57,711 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2981da0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:57, skipping insertion in model container [2024-11-24 00:33:57,711 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:33:57" (1/1) ... [2024-11-24 00:33:57,750 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:33:57,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:33:57,931 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:33:57,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:33:57,958 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:33:57,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:57 WrapperNode [2024-11-24 00:33:57,959 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:33:57,960 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:33:57,960 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:33:57,960 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:33:57,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:57" (1/1) ... [2024-11-24 00:33:57,972 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:57" (1/1) ... [2024-11-24 00:33:57,987 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 23 [2024-11-24 00:33:57,988 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:33:57,988 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:33:57,988 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:33:57,989 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:33:57,997 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:57" (1/1) ... [2024-11-24 00:33:57,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:57" (1/1) ... [2024-11-24 00:33:57,998 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:57" (1/1) ... [2024-11-24 00:33:58,003 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-24 00:33:58,004 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:57" (1/1) ... [2024-11-24 00:33:58,004 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:57" (1/1) ... [2024-11-24 00:33:58,006 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:57" (1/1) ... [2024-11-24 00:33:58,007 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:57" (1/1) ... [2024-11-24 00:33:58,012 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:57" (1/1) ... [2024-11-24 00:33:58,013 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:57" (1/1) ... [2024-11-24 00:33:58,014 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:57" (1/1) ... [2024-11-24 00:33:58,018 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:33:58,019 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:33:58,019 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:33:58,019 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:33:58,020 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:57" (1/1) ... [2024-11-24 00:33:58,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:33:58,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797840f1-74fe-4e15-9e0e-ae010ec8a7f5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:33:58,063 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797840f1-74fe-4e15-9e0e-ae010ec8a7f5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:33:58,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797840f1-74fe-4e15-9e0e-ae010ec8a7f5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-24 00:33:58,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:33:58,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:33:58,148 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:33:58,150 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:33:58,238 INFO L? ?]: Removed 2 outVars from TransFormulas that were not future-live. [2024-11-24 00:33:58,238 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:33:58,248 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:33:58,248 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-24 00:33:58,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:33:58 BoogieIcfgContainer [2024-11-24 00:33:58,249 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:33:58,250 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-24 00:33:58,250 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-24 00:33:58,256 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-24 00:33:58,257 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:33:58,257 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 24.11 12:33:57" (1/3) ... [2024-11-24 00:33:58,258 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b56451d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 12:33:58, skipping insertion in model container [2024-11-24 00:33:58,258 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:33:58,259 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:57" (2/3) ... [2024-11-24 00:33:58,259 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b56451d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 12:33:58, skipping insertion in model container [2024-11-24 00:33:58,260 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:33:58,260 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:33:58" (3/3) ... [2024-11-24 00:33:58,263 INFO L363 chiAutomizerObserver]: Analyzing ICFG HarrisLalNoriRajamani-SAS2010-Fig3.c [2024-11-24 00:33:58,327 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-24 00:33:58,328 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-24 00:33:58,328 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-24 00:33:58,328 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-24 00:33:58,328 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-24 00:33:58,329 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-24 00:33:58,329 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-24 00:33:58,329 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-24 00:33:58,334 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:33:58,349 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-24 00:33:58,350 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:33:58,350 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:33:58,355 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-24 00:33:58,356 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-24 00:33:58,357 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-24 00:33:58,357 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:33:58,359 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-24 00:33:58,359 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:33:58,359 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:33:58,359 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-24 00:33:58,360 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-24 00:33:58,366 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;~x~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1;havoc main_#t~nondet1#1;~x~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" [2024-11-24 00:33:58,366 INFO L749 eck$LassoCheckResult]: Loop: "assume ~x~0 > 0;" "havoc main_#t~nondet2#1;" "assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume { :begin_inline_foo } true;havoc foo_#t~post0#1;foo_#t~post0#1 := ~x~0;~x~0 := foo_#t~post0#1 - 1;havoc foo_#t~post0#1;" "havoc foo_#t~post0#1;assume { :end_inline_foo } true;" [2024-11-24 00:33:58,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:33:58,372 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-24 00:33:58,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:33:58,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267501485] [2024-11-24 00:33:58,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:33:58,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:33:58,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:33:58,461 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:33:58,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:33:58,484 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:33:58,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:33:58,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1173991, now seen corresponding path program 1 times [2024-11-24 00:33:58,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:33:58,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148470460] [2024-11-24 00:33:58,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:33:58,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:33:58,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:33:58,500 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:33:58,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:33:58,506 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:33:58,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:33:58,510 INFO L85 PathProgramCache]: Analyzing trace with hash 889601193, now seen corresponding path program 1 times [2024-11-24 00:33:58,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:33:58,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281778961] [2024-11-24 00:33:58,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:33:58,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:33:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:33:58,522 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:33:58,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:33:58,527 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:33:58,628 INFO L204 LassoAnalysis]: Preferences: [2024-11-24 00:33:58,629 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-24 00:33:58,629 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-24 00:33:58,629 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-24 00:33:58,629 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-24 00:33:58,629 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:33:58,629 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-24 00:33:58,629 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-24 00:33:58,630 INFO L132 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig3.c_Iteration1_Loop [2024-11-24 00:33:58,630 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-24 00:33:58,630 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-24 00:33:58,642 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:33:58,670 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:33:58,674 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:33:58,733 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-24 00:33:58,733 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-24 00:33:58,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:33:58,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797840f1-74fe-4e15-9e0e-ae010ec8a7f5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:33:58,738 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797840f1-74fe-4e15-9e0e-ae010ec8a7f5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:33:58,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797840f1-74fe-4e15-9e0e-ae010ec8a7f5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-24 00:33:58,742 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-24 00:33:58,742 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:33:58,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797840f1-74fe-4e15-9e0e-ae010ec8a7f5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-11-24 00:33:58,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:33:58,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797840f1-74fe-4e15-9e0e-ae010ec8a7f5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:33:58,772 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797840f1-74fe-4e15-9e0e-ae010ec8a7f5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:33:58,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797840f1-74fe-4e15-9e0e-ae010ec8a7f5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-24 00:33:58,776 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-24 00:33:58,776 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:33:58,813 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-24 00:33:58,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797840f1-74fe-4e15-9e0e-ae010ec8a7f5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-24 00:33:58,817 INFO L204 LassoAnalysis]: Preferences: [2024-11-24 00:33:58,817 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-24 00:33:58,817 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-24 00:33:58,817 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-24 00:33:58,817 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-24 00:33:58,817 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:33:58,817 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-24 00:33:58,817 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-24 00:33:58,817 INFO L132 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig3.c_Iteration1_Loop [2024-11-24 00:33:58,818 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-24 00:33:58,818 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-24 00:33:58,819 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:33:58,830 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:33:58,834 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:33:58,873 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-24 00:33:58,877 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-24 00:33:58,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:33:58,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797840f1-74fe-4e15-9e0e-ae010ec8a7f5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:33:58,882 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797840f1-74fe-4e15-9e0e-ae010ec8a7f5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:33:58,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797840f1-74fe-4e15-9e0e-ae010ec8a7f5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-24 00:33:58,888 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-24 00:33:58,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:33:58,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 00:33:58,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:33:58,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:33:58,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:33:58,907 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 00:33:58,907 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 00:33:58,911 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-24 00:33:58,917 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-24 00:33:58,921 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-24 00:33:58,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:33:58,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797840f1-74fe-4e15-9e0e-ae010ec8a7f5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:33:58,927 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797840f1-74fe-4e15-9e0e-ae010ec8a7f5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:33:58,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797840f1-74fe-4e15-9e0e-ae010ec8a7f5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-24 00:33:58,930 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-24 00:33:58,930 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-24 00:33:58,931 INFO L474 LassoAnalysis]: Proved termination. [2024-11-24 00:33:58,931 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(~x~0) = 1*~x~0 Supporting invariants [] [2024-11-24 00:33:58,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797840f1-74fe-4e15-9e0e-ae010ec8a7f5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-24 00:33:58,940 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-24 00:33:58,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:33:58,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:33:58,987 INFO L256 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:33:58,988 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:33:59,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:33:59,002 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 00:33:59,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:33:59,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:33:59,100 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 [2024-11-24 00:33:59,102 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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 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) [2024-11-24 00:33:59,154 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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 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 25 states and 31 transitions. Complement of second has 7 states. [2024-11-24 00:33:59,156 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 [2024-11-24 00:33:59,161 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) [2024-11-24 00:33:59,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2024-11-24 00:33:59,169 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-24 00:33:59,170 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:33:59,170 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-24 00:33:59,171 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:33:59,171 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 2 letters. Loop has 8 letters. [2024-11-24 00:33:59,171 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:33:59,172 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 31 transitions. [2024-11-24 00:33:59,174 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-24 00:33:59,176 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. [2024-11-24 00:33:59,176 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-24 00:33:59,177 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-24 00:33:59,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-24 00:33:59,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 00:33:59,178 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 00:33:59,178 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 00:33:59,178 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 00:33:59,178 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-24 00:33:59,178 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-24 00:33:59,178 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-24 00:33:59,178 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-24 00:33:59,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 24.11 12:33:59 BoogieIcfgContainer [2024-11-24 00:33:59,188 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-24 00:33:59,189 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:33:59,189 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:33:59,189 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:33:59,193 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:33:58" (3/4) ... [2024-11-24 00:33:59,196 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 00:33:59,196 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:33:59,200 INFO L158 Benchmark]: Toolchain (without parser) took 1495.60ms. Allocated memory was 167.8MB in the beginning and 117.4MB in the end (delta: -50.3MB). Free memory was 145.4MB in the beginning and 41.4MB in the end (delta: 104.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-24 00:33:59,200 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:33:59,201 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.94ms. Allocated memory was 167.8MB in the beginning and 117.4MB in the end (delta: -50.3MB). Free memory was 145.4MB in the beginning and 85.2MB in the end (delta: 60.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:33:59,201 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.81ms. Allocated memory is still 117.4MB. Free memory was 85.2MB in the beginning and 84.4MB in the end (delta: 758.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:33:59,201 INFO L158 Benchmark]: Boogie Preprocessor took 30.14ms. Allocated memory is still 117.4MB. Free memory was 84.4MB in the beginning and 83.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:33:59,202 INFO L158 Benchmark]: RCFGBuilder took 229.63ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 75.0MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:33:59,202 INFO L158 Benchmark]: BuchiAutomizer took 937.76ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 41.4MB in the end (delta: 33.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-24 00:33:59,202 INFO L158 Benchmark]: Witness Printer took 7.93ms. Allocated memory is still 117.4MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:33:59,204 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.94ms. Allocated memory was 167.8MB in the beginning and 117.4MB in the end (delta: -50.3MB). Free memory was 145.4MB in the beginning and 85.2MB in the end (delta: 60.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.81ms. Allocated memory is still 117.4MB. Free memory was 85.2MB in the beginning and 84.4MB in the end (delta: 758.3kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.14ms. Allocated memory is still 117.4MB. Free memory was 84.4MB in the beginning and 83.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 229.63ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 75.0MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 937.76ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 41.4MB in the end (delta: 33.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 7.93ms. Allocated memory is still 117.4MB. Free memory is still 41.4MB. 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 x and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. 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, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 8 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 51ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-24 00:33:59,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797840f1-74fe-4e15-9e0e-ae010ec8a7f5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-24 00:33:59,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_797840f1-74fe-4e15-9e0e-ae010ec8a7f5/bin/uautomizer-verify-LYvppIcaGC/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