./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Lobnya-Boolean-Reordered-2.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_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/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_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Lobnya-Boolean-Reordered-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/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_69ddfd8e-95ab-4295-b166-8742ff540e13/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 70e9192ed98be1c98a98d704655daf2c23fe89411c7a078d7ff71796ac189400 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:12:08,953 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:12:09,021 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-24 00:12:09,026 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:12:09,027 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:12:09,071 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:12:09,071 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:12:09,071 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:12:09,072 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:12:09,072 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:12:09,072 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:12:09,072 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:12:09,072 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:12:09,072 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-24 00:12:09,073 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-24 00:12:09,073 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-24 00:12:09,073 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-24 00:12:09,073 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-24 00:12:09,073 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-24 00:12:09,073 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:12:09,073 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-24 00:12:09,073 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:12:09,076 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:12:09,077 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-24 00:12:09,077 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-24 00:12:09,077 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-24 00:12:09,077 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 00:12:09,077 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:12:09,077 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-24 00:12:09,077 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:12:09,077 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:12:09,078 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:12:09,078 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:12:09,078 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:12:09,078 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-24 00:12:09,078 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-24 00:12:09,078 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_69ddfd8e-95ab-4295-b166-8742ff540e13/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 -> 70e9192ed98be1c98a98d704655daf2c23fe89411c7a078d7ff71796ac189400 [2024-11-24 00:12:09,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:12:09,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:12:09,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:12:09,427 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:12:09,428 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:12:09,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/termination-crafted/Lobnya-Boolean-Reordered-2.c [2024-11-24 00:12:12,439 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/data/b19bdbafb/645a9a5a70f34a42a58fc59c359903ea/FLAGff618a5a6 [2024-11-24 00:12:12,703 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:12:12,704 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/sv-benchmarks/c/termination-crafted/Lobnya-Boolean-Reordered-2.c [2024-11-24 00:12:12,715 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/data/b19bdbafb/645a9a5a70f34a42a58fc59c359903ea/FLAGff618a5a6 [2024-11-24 00:12:12,735 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/data/b19bdbafb/645a9a5a70f34a42a58fc59c359903ea [2024-11-24 00:12:12,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:12:12,739 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:12:12,741 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:12:12,741 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:12:12,746 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:12:12,747 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:12:12" (1/1) ... [2024-11-24 00:12:12,748 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7328d333 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:12:12, skipping insertion in model container [2024-11-24 00:12:12,748 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:12:12" (1/1) ... [2024-11-24 00:12:12,781 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:12:12,939 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:12:12,945 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:12:12,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:12:12,972 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:12:12,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:12:12 WrapperNode [2024-11-24 00:12:12,972 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:12:12,973 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:12:12,974 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:12:12,974 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:12:12,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:12:12" (1/1) ... [2024-11-24 00:12:12,985 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:12:12" (1/1) ... [2024-11-24 00:12:13,003 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2024-11-24 00:12:13,004 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:12:13,004 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:12:13,005 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:12:13,005 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:12:13,014 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:12:12" (1/1) ... [2024-11-24 00:12:13,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:12:12" (1/1) ... [2024-11-24 00:12:13,015 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:12:12" (1/1) ... [2024-11-24 00:12:13,022 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-24 00:12:13,022 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:12:12" (1/1) ... [2024-11-24 00:12:13,022 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:12:12" (1/1) ... [2024-11-24 00:12:13,024 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:12:12" (1/1) ... [2024-11-24 00:12:13,024 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:12:12" (1/1) ... [2024-11-24 00:12:13,031 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:12:12" (1/1) ... [2024-11-24 00:12:13,031 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:12:12" (1/1) ... [2024-11-24 00:12:13,032 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:12:12" (1/1) ... [2024-11-24 00:12:13,036 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:12:13,037 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:12:13,037 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:12:13,037 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:12:13,038 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:12:12" (1/1) ... [2024-11-24 00:12:13,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:12:13,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:12:13,088 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:12:13,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-24 00:12:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:12:13,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:12:13,190 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:12:13,192 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:12:13,268 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-24 00:12:13,268 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:12:13,278 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:12:13,278 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-24 00:12:13,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:12:13 BoogieIcfgContainer [2024-11-24 00:12:13,279 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:12:13,279 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-24 00:12:13,279 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-24 00:12:13,286 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-24 00:12:13,287 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:12:13,287 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 24.11 12:12:12" (1/3) ... [2024-11-24 00:12:13,288 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@314d9ab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 12:12:13, skipping insertion in model container [2024-11-24 00:12:13,289 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:12:13,289 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:12:12" (2/3) ... [2024-11-24 00:12:13,289 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@314d9ab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 12:12:13, skipping insertion in model container [2024-11-24 00:12:13,289 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:12:13,289 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:12:13" (3/3) ... [2024-11-24 00:12:13,291 INFO L363 chiAutomizerObserver]: Analyzing ICFG Lobnya-Boolean-Reordered-2.c [2024-11-24 00:12:13,356 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-24 00:12:13,356 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-24 00:12:13,356 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-24 00:12:13,356 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-24 00:12:13,357 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-24 00:12:13,357 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-24 00:12:13,357 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-24 00:12:13,357 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-24 00:12:13,363 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 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 00:12:13,379 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-24 00:12:13,379 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:12:13,379 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:12:13,385 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-24 00:12:13,386 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-24 00:12:13,386 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-24 00:12:13,387 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 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 00:12:13,388 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-24 00:12:13,389 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:12:13,389 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:12:13,389 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-24 00:12:13,389 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-24 00:12:13,398 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~b~0#1;havoc main_~x~0#1;havoc main_~b~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume !!(main_~x~0#1 >= -2147483647);" [2024-11-24 00:12:13,398 INFO L749 eck$LassoCheckResult]: Loop: "assume 0 != main_~b~0#1;" "havoc main_#t~nondet2#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~x~0#1 := main_~x~0#1 - 1;" "assume main_~x~0#1 >= 0;main_~b~0#1 := 1;" [2024-11-24 00:12:13,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:12:13,408 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2024-11-24 00:12:13,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:12:13,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383178030] [2024-11-24 00:12:13,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:12:13,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:12:13,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:12:13,509 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:12:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:12:13,531 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:12:13,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:12:13,535 INFO L85 PathProgramCache]: Analyzing trace with hash 42831, now seen corresponding path program 1 times [2024-11-24 00:12:13,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:12:13,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749836470] [2024-11-24 00:12:13,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:12:13,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:12:13,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:12:13,554 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:12:13,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:12:13,565 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:12:13,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:12:13,567 INFO L85 PathProgramCache]: Analyzing trace with hash 889572300, now seen corresponding path program 1 times [2024-11-24 00:12:13,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:12:13,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233137032] [2024-11-24 00:12:13,567 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:12:13,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:12:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:12:13,587 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:12:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:12:13,600 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:12:13,730 INFO L204 LassoAnalysis]: Preferences: [2024-11-24 00:12:13,730 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-24 00:12:13,730 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-24 00:12:13,731 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-24 00:12:13,731 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-24 00:12:13,732 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:12:13,732 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-24 00:12:13,732 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-24 00:12:13,732 INFO L132 ssoRankerPreferences]: Filename of dumped script: Lobnya-Boolean-Reordered-2.c_Iteration1_Loop [2024-11-24 00:12:13,733 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-24 00:12:13,733 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-24 00:12:13,752 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:12:13,770 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:12:13,776 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:12:13,794 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:12:13,798 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:12:13,954 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-24 00:12:13,955 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-24 00:12:13,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:12:13,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:12:13,962 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:12:13,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-24 00:12:13,964 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-24 00:12:13,965 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:12:13,996 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-24 00:12:13,996 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-24 00:12:14,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-24 00:12:14,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:12:14,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:12:14,009 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:12:14,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-24 00:12:14,014 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-24 00:12:14,014 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:12:14,042 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-24 00:12:14,043 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-24 00:12:14,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-24 00:12:14,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:12:14,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:12:14,052 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:12:14,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-24 00:12:14,055 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-24 00:12:14,056 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:12:14,079 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-24 00:12:14,079 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~b~0#1=1} Honda state: {ULTIMATE.start_main_~b~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-24 00:12:14,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-24 00:12:14,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:12:14,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:12:14,087 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:12:14,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-24 00:12:14,090 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-24 00:12:14,090 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:12:14,105 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-24 00:12:14,106 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2#1=0} Honda state: {ULTIMATE.start_main_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-24 00:12:14,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-24 00:12:14,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:12:14,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:12:14,119 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:12:14,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-24 00:12:14,121 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-24 00:12:14,121 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:12:14,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-24 00:12:14,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:12:14,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:12:14,156 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:12:14,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-24 00:12:14,160 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-24 00:12:14,160 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-24 00:12:14,216 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-24 00:12:14,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-24 00:12:14,219 INFO L204 LassoAnalysis]: Preferences: [2024-11-24 00:12:14,219 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-24 00:12:14,219 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-24 00:12:14,219 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-24 00:12:14,219 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-24 00:12:14,219 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:12:14,220 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-24 00:12:14,220 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-24 00:12:14,220 INFO L132 ssoRankerPreferences]: Filename of dumped script: Lobnya-Boolean-Reordered-2.c_Iteration1_Loop [2024-11-24 00:12:14,220 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-24 00:12:14,220 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-24 00:12:14,223 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:12:14,230 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:12:14,241 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:12:14,246 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:12:14,250 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 00:12:14,373 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-24 00:12:14,378 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-24 00:12:14,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:12:14,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:12:14,387 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:12:14,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-24 00:12:14,392 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 00:12:14,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:12:14,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:12:14,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:12:14,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:12:14,417 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-24 00:12:14,418 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-24 00:12:14,435 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:12:14,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-24 00:12:14,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:12:14,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:12:14,456 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:12:14,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-24 00:12:14,460 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 00:12:14,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:12:14,473 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 00:12:14,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:12:14,474 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-24 00:12:14,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:12:14,476 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-24 00:12:14,476 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 00:12:14,482 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:12:14,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-24 00:12:14,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:12:14,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:12:14,495 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:12:14,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-24 00:12:14,498 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 00:12:14,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:12:14,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:12:14,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:12:14,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:12:14,515 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-24 00:12:14,518 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-24 00:12:14,545 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:12:14,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-24 00:12:14,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:12:14,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:12:14,557 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:12:14,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-24 00:12:14,560 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 00:12:14,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:12:14,575 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 00:12:14,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:12:14,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:12:14,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:12:14,576 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 00:12:14,576 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 00:12:14,579 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 00:12:14,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-24 00:12:14,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:12:14,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:12:14,589 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:12:14,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-24 00:12:14,592 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 00:12:14,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 00:12:14,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 00:12:14,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 00:12:14,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 00:12:14,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 00:12:14,607 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 00:12:14,607 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 00:12:14,612 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-24 00:12:14,618 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-24 00:12:14,621 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-24 00:12:14,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:12:14,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:12:14,628 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:12:14,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-24 00:12:14,632 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-24 00:12:14,632 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-24 00:12:14,632 INFO L474 LassoAnalysis]: Proved termination. [2024-11-24 00:12:14,633 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-11-24 00:12:14,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-24 00:12:14,642 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-24 00:12:14,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:12:14,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:12:14,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:12:14,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:12:14,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:12:14,702 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 00:12:14,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:12:14,746 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 00:12:14,772 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 [2024-11-24 00:12:14,774 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 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 00:12:14,834 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 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 30 states and 38 transitions. Complement of second has 8 states. [2024-11-24 00:12:14,836 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 00:12:14,840 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 00:12:14,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2024-11-24 00:12:14,847 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 3 letters. Loop has 3 letters. [2024-11-24 00:12:14,848 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:12:14,848 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 6 letters. Loop has 3 letters. [2024-11-24 00:12:14,848 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:12:14,848 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 3 letters. Loop has 6 letters. [2024-11-24 00:12:14,849 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 00:12:14,849 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 38 transitions. [2024-11-24 00:12:14,851 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-24 00:12:14,854 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 13 states and 16 transitions. [2024-11-24 00:12:14,855 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-11-24 00:12:14,855 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-11-24 00:12:14,855 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2024-11-24 00:12:14,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-24 00:12:14,856 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2024-11-24 00:12:14,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2024-11-24 00:12:14,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 11. [2024-11-24 00:12:14,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:12:14,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2024-11-24 00:12:14,879 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2024-11-24 00:12:14,879 INFO L425 stractBuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2024-11-24 00:12:14,879 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-24 00:12:14,879 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2024-11-24 00:12:14,879 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-24 00:12:14,879 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:12:14,880 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:12:14,880 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-24 00:12:14,880 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-24 00:12:14,880 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~b~0#1;havoc main_~x~0#1;havoc main_~b~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume !!(main_~x~0#1 >= -2147483647);" "assume 0 != main_~b~0#1;" [2024-11-24 00:12:14,880 INFO L749 eck$LassoCheckResult]: Loop: "havoc main_#t~nondet2#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~x~0#1 := main_~x~0#1 - 1;" "assume !(main_~x~0#1 >= 0);main_~b~0#1 := 0;" "assume 0 != main_~b~0#1;" [2024-11-24 00:12:14,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:12:14,881 INFO L85 PathProgramCache]: Analyzing trace with hash 925673, now seen corresponding path program 1 times [2024-11-24 00:12:14,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:12:14,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120838436] [2024-11-24 00:12:14,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:12:14,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:12:14,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:12:14,885 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:12:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:12:14,889 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:12:14,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:12:14,889 INFO L85 PathProgramCache]: Analyzing trace with hash 46823, now seen corresponding path program 1 times [2024-11-24 00:12:14,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:12:14,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000444145] [2024-11-24 00:12:14,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:12:14,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:12:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:12:14,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 00:12:14,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000444145] [2024-11-24 00:12:14,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000444145] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:12:14,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745792763] [2024-11-24 00:12:14,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:12:14,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:12:14,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:12:14,935 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:12:14,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-24 00:12:14,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:12:14,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:12:14,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:12:14,972 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:12:14,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745792763] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:12:14,977 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:12:14,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 2 [2024-11-24 00:12:14,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467994034] [2024-11-24 00:12:14,978 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:12:14,980 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-24 00:12:14,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 00:12:14,982 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:12:14,982 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:12:14,983 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 00:12:14,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:12:14,993 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2024-11-24 00:12:14,993 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 12 transitions. [2024-11-24 00:12:14,994 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-24 00:12:14,994 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. [2024-11-24 00:12:14,994 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-24 00:12:14,994 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-24 00:12:14,994 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-24 00:12:14,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 00:12:14,994 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 00:12:14,994 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 00:12:14,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:12:14,995 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 00:12:14,996 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-24 00:12:14,996 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-24 00:12:14,996 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-24 00:12:14,996 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-24 00:12:15,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 24.11 12:12:15 BoogieIcfgContainer [2024-11-24 00:12:15,008 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-24 00:12:15,009 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:12:15,009 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:12:15,009 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:12:15,011 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:12:13" (3/4) ... [2024-11-24 00:12:15,014 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 00:12:15,015 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:12:15,018 INFO L158 Benchmark]: Toolchain (without parser) took 2276.28ms. Allocated memory was 167.8MB in the beginning and 117.4MB in the end (delta: -50.3MB). Free memory was 145.0MB in the beginning and 71.9MB in the end (delta: 73.1MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2024-11-24 00:12:15,018 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:12:15,019 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.72ms. Allocated memory was 167.8MB in the beginning and 117.4MB in the end (delta: -50.3MB). Free memory was 145.0MB in the beginning and 84.7MB in the end (delta: 60.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:12:15,019 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.17ms. Allocated memory is still 117.4MB. Free memory was 84.7MB in the beginning and 83.9MB in the end (delta: 840.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:12:15,019 INFO L158 Benchmark]: Boogie Preprocessor took 32.19ms. Allocated memory is still 117.4MB. Free memory was 83.9MB in the beginning and 83.0MB in the end (delta: 809.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:12:15,020 INFO L158 Benchmark]: RCFGBuilder took 241.70ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 73.9MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:12:15,020 INFO L158 Benchmark]: BuchiAutomizer took 1728.25ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 72.5MB in the end (delta: 1.5MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2024-11-24 00:12:15,020 INFO L158 Benchmark]: Witness Printer took 6.42ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 71.9MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:12:15,022 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.72ms. Allocated memory was 167.8MB in the beginning and 117.4MB in the end (delta: -50.3MB). Free memory was 145.0MB in the beginning and 84.7MB in the end (delta: 60.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.17ms. Allocated memory is still 117.4MB. Free memory was 84.7MB in the beginning and 83.9MB in the end (delta: 840.1kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.19ms. Allocated memory is still 117.4MB. Free memory was 83.9MB in the beginning and 83.0MB in the end (delta: 809.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 241.70ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 73.9MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1728.25ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 72.5MB in the end (delta: 1.5MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * Witness Printer took 6.42ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 71.9MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 21 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax170 hnf100 lsp34 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf94 smp100 dnf137 smp100 tf109 neg100 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 55ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-24 00:12:15,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-24 00:12:15,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-24 00:12:15,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ddfd8e-95ab-4295-b166-8742ff540e13/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE