./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-nla/cohencu1-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271bf056-f590-4658-aedf-40af1f7e4ddd/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271bf056-f590-4658-aedf-40af1f7e4ddd/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271bf056-f590-4658-aedf-40af1f7e4ddd/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271bf056-f590-4658-aedf-40af1f7e4ddd/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-nla/cohencu1-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271bf056-f590-4658-aedf-40af1f7e4ddd/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271bf056-f590-4658-aedf-40af1f7e4ddd/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e23e5df30109903bd62a16f3045e004b3c50603f7ba92843ac57eff9ce17698d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:48:28,838 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:48:28,954 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271bf056-f590-4658-aedf-40af1f7e4ddd/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-28 04:48:28,960 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:48:28,960 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:48:28,998 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:48:28,999 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:48:28,999 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:48:29,000 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:48:29,000 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:48:29,000 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:48:29,000 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:48:29,000 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:48:29,001 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 04:48:29,001 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 04:48:29,001 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 04:48:29,001 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 04:48:29,001 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 04:48:29,001 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 04:48:29,003 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:48:29,003 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 04:48:29,004 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:48:29,004 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:48:29,004 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:48:29,004 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:48:29,004 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 04:48:29,004 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 04:48:29,004 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 04:48:29,004 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:48:29,004 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:48:29,004 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:48:29,005 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 04:48:29,005 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:48:29,005 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:48:29,005 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:48:29,005 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:48:29,005 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:48:29,005 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 04:48:29,006 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 04:48:29,006 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_271bf056-f590-4658-aedf-40af1f7e4ddd/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e23e5df30109903bd62a16f3045e004b3c50603f7ba92843ac57eff9ce17698d [2024-11-28 04:48:29,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:48:29,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:48:29,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:48:29,386 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:48:29,387 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:48:29,388 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271bf056-f590-4658-aedf-40af1f7e4ddd/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-nla/cohencu1-both-t.c [2024-11-28 04:48:32,469 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271bf056-f590-4658-aedf-40af1f7e4ddd/bin/uautomizer-verify-aQ6SnzHsRB/data/faf45c7af/27aed989ecde4057a852277bc118c4cc/FLAG0af1dbe12 [2024-11-28 04:48:32,739 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:48:32,740 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271bf056-f590-4658-aedf-40af1f7e4ddd/sv-benchmarks/c/termination-nla/cohencu1-both-t.c [2024-11-28 04:48:32,748 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271bf056-f590-4658-aedf-40af1f7e4ddd/bin/uautomizer-verify-aQ6SnzHsRB/data/faf45c7af/27aed989ecde4057a852277bc118c4cc/FLAG0af1dbe12 [2024-11-28 04:48:32,763 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271bf056-f590-4658-aedf-40af1f7e4ddd/bin/uautomizer-verify-aQ6SnzHsRB/data/faf45c7af/27aed989ecde4057a852277bc118c4cc [2024-11-28 04:48:32,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:48:32,767 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:48:32,768 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:48:32,769 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:48:32,774 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:48:32,775 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:48:32" (1/1) ... [2024-11-28 04:48:32,776 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24913872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:32, skipping insertion in model container [2024-11-28 04:48:32,776 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:48:32" (1/1) ... [2024-11-28 04:48:32,792 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:48:32,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:48:32,982 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:48:32,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:48:33,012 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:48:33,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:33 WrapperNode [2024-11-28 04:48:33,013 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:48:33,014 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:48:33,014 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:48:33,014 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:48:33,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:33" (1/1) ... [2024-11-28 04:48:33,028 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:33" (1/1) ... [2024-11-28 04:48:33,040 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2024-11-28 04:48:33,041 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:48:33,041 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:48:33,041 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:48:33,041 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:48:33,049 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:33" (1/1) ... [2024-11-28 04:48:33,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:33" (1/1) ... [2024-11-28 04:48:33,050 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:33" (1/1) ... [2024-11-28 04:48:33,055 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-28 04:48:33,056 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:33" (1/1) ... [2024-11-28 04:48:33,056 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:33" (1/1) ... [2024-11-28 04:48:33,057 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:33" (1/1) ... [2024-11-28 04:48:33,058 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:33" (1/1) ... [2024-11-28 04:48:33,063 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:33" (1/1) ... [2024-11-28 04:48:33,063 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:33" (1/1) ... [2024-11-28 04:48:33,064 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:33" (1/1) ... [2024-11-28 04:48:33,065 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:48:33,066 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:48:33,066 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:48:33,066 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:48:33,067 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:33" (1/1) ... [2024-11-28 04:48:33,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:48:33,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271bf056-f590-4658-aedf-40af1f7e4ddd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:48:33,104 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271bf056-f590-4658-aedf-40af1f7e4ddd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:48:33,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271bf056-f590-4658-aedf-40af1f7e4ddd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 04:48:33,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:48:33,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:48:33,194 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:48:33,197 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:48:33,291 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-28 04:48:33,291 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:48:33,301 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:48:33,302 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 04:48:33,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:48:33 BoogieIcfgContainer [2024-11-28 04:48:33,302 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:48:33,303 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 04:48:33,303 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 04:48:33,311 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 04:48:33,312 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:48:33,312 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 04:48:32" (1/3) ... [2024-11-28 04:48:33,314 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e332443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 04:48:33, skipping insertion in model container [2024-11-28 04:48:33,314 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:48:33,314 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:33" (2/3) ... [2024-11-28 04:48:33,315 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e332443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 04:48:33, skipping insertion in model container [2024-11-28 04:48:33,315 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:48:33,315 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:48:33" (3/3) ... [2024-11-28 04:48:33,316 INFO L363 chiAutomizerObserver]: Analyzing ICFG cohencu1-both-t.c [2024-11-28 04:48:33,379 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 04:48:33,380 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 04:48:33,380 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 04:48:33,381 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 04:48:33,381 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 04:48:33,381 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 04:48:33,381 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 04:48:33,382 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 04:48:33,388 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 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) [2024-11-28 04:48:33,408 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-28 04:48:33,410 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:48:33,410 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:48:33,416 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 04:48:33,416 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 04:48:33,417 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 04:48:33,417 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 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) [2024-11-28 04:48:33,418 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-28 04:48:33,418 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:48:33,419 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:48:33,419 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 04:48:33,419 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 04:48:33,427 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~n~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1, main_~k~0#1;havoc main_~a~0#1;havoc main_~n~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~a~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~n~0#1 := 0;main_~x~0#1 := 0;main_~y~0#1 := 1;main_~z~0#1 := 6;havoc main_#t~nondet1#1;main_~k~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" [2024-11-28 04:48:33,428 INFO L749 eck$LassoCheckResult]: Loop: "assume 6 + 6 * main_~n~0#1 <= main_~k~0#1;" "main_~n~0#1 := 1 + main_~n~0#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1;main_~y~0#1 := main_~y~0#1 + main_~z~0#1;main_~z~0#1 := 6 + main_~z~0#1;" [2024-11-28 04:48:33,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:48:33,434 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-28 04:48:33,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:48:33,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116105443] [2024-11-28 04:48:33,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:48:33,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:48:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:48:33,528 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:48:33,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:48:33,550 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:48:33,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:48:33,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1221, now seen corresponding path program 1 times [2024-11-28 04:48:33,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:48:33,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993893341] [2024-11-28 04:48:33,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:48:33,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:48:33,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:48:33,572 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:48:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:48:33,588 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:48:33,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:48:33,591 INFO L85 PathProgramCache]: Analyzing trace with hash 925703, now seen corresponding path program 1 times [2024-11-28 04:48:33,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:48:33,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564331083] [2024-11-28 04:48:33,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:48:33,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:48:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:48:33,610 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:48:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:48:33,628 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:48:33,783 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:48:33,784 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:48:33,784 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:48:33,785 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:48:33,785 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 04:48:33,785 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:48:33,785 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:48:33,785 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:48:33,785 INFO L132 ssoRankerPreferences]: Filename of dumped script: cohencu1-both-t.c_Iteration1_Loop [2024-11-28 04:48:33,785 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:48:33,786 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:48:33,808 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:48:33,827 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:48:33,932 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:48:33,933 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 04:48:33,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:48:33,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271bf056-f590-4658-aedf-40af1f7e4ddd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:48:33,939 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271bf056-f590-4658-aedf-40af1f7e4ddd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:48:33,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271bf056-f590-4658-aedf-40af1f7e4ddd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-28 04:48:33,944 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:48:33,945 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:48:33,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271bf056-f590-4658-aedf-40af1f7e4ddd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-28 04:48:33,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:48:33,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271bf056-f590-4658-aedf-40af1f7e4ddd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:48:33,981 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271bf056-f590-4658-aedf-40af1f7e4ddd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:48:33,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271bf056-f590-4658-aedf-40af1f7e4ddd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-28 04:48:33,984 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 04:48:33,984 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:48:34,103 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 04:48:34,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271bf056-f590-4658-aedf-40af1f7e4ddd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-28 04:48:34,107 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:48:34,107 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:48:34,107 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:48:34,107 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:48:34,107 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 04:48:34,108 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:48:34,108 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:48:34,108 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:48:34,108 INFO L132 ssoRankerPreferences]: Filename of dumped script: cohencu1-both-t.c_Iteration1_Loop [2024-11-28 04:48:34,108 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:48:34,108 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:48:34,110 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:48:34,124 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:48:34,237 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:48:34,242 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 04:48:34,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:48:34,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271bf056-f590-4658-aedf-40af1f7e4ddd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:48:34,246 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271bf056-f590-4658-aedf-40af1f7e4ddd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:48:34,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271bf056-f590-4658-aedf-40af1f7e4ddd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-28 04:48:34,251 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 [2024-11-28 04:48:34,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:48:34,269 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:48:34,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:48:34,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:48:34,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:48:34,278 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:48:34,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:48:34,285 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 04:48:34,292 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-28 04:48:34,296 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-28 04:48:34,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:48:34,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271bf056-f590-4658-aedf-40af1f7e4ddd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:48:34,303 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271bf056-f590-4658-aedf-40af1f7e4ddd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:48:34,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271bf056-f590-4658-aedf-40af1f7e4ddd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-28 04:48:34,305 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 04:48:34,306 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 04:48:34,306 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 04:48:34,306 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0#1, ULTIMATE.start_main_~k~0#1) = -6*ULTIMATE.start_main_~n~0#1 + 1*ULTIMATE.start_main_~k~0#1 Supporting invariants [] [2024-11-28 04:48:34,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271bf056-f590-4658-aedf-40af1f7e4ddd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-28 04:48:34,317 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 04:48:34,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:48:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:48:34,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:48:34,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:48:34,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:48:34,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:48:34,397 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:48:34,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:48:34,470 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 [2024-11-28 04:48:34,472 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:48:34,548 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 14 states and 17 transitions. Complement of second has 6 states. [2024-11-28 04:48:34,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-28 04:48:34,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:48:34,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2024-11-28 04:48:34,564 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 2 letters. [2024-11-28 04:48:34,564 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:48:34,569 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-28 04:48:34,569 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:48:34,569 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-28 04:48:34,570 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:48:34,570 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2024-11-28 04:48:34,572 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 04:48:34,575 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2024-11-28 04:48:34,576 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-28 04:48:34,576 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-28 04:48:34,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-28 04:48:34,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 04:48:34,578 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 04:48:34,578 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 04:48:34,578 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 04:48:34,594 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 04:48:34,594 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-28 04:48:34,599 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 04:48:34,599 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-28 04:48:34,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 04:48:34 BoogieIcfgContainer [2024-11-28 04:48:34,612 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 04:48:34,613 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:48:34,613 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:48:34,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271bf056-f590-4658-aedf-40af1f7e4ddd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-28 04:48:34,614 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:48:34,615 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:48:33" (3/4) ... [2024-11-28 04:48:34,618 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 04:48:34,619 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:48:34,620 INFO L158 Benchmark]: Toolchain (without parser) took 1853.09ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 88.7MB in the end (delta: 3.8MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2024-11-28 04:48:34,621 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:48:34,621 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.89ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 82.3MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:48:34,622 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.91ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:48:34,622 INFO L158 Benchmark]: Boogie Preprocessor took 23.95ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:48:34,623 INFO L158 Benchmark]: RCFGBuilder took 236.56ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 72.3MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:48:34,623 INFO L158 Benchmark]: BuchiAutomizer took 1309.18ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 88.8MB in the end (delta: -16.6MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2024-11-28 04:48:34,624 INFO L158 Benchmark]: Witness Printer took 5.86ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 88.7MB in the end (delta: 131.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:48:34,626 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.89ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 82.3MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.91ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.95ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 236.56ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 72.3MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1309.18ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 88.8MB in the end (delta: -16.6MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. * Witness Printer took 5.86ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 88.7MB in the end (delta: 131.8kB). 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 (k + ((long long) -6 * n)) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. 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, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 2 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital29 mio100 ax100 hnf100 lsp58 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq205 hnf91 smp100 dnf100 smp100 tf106 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 63ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-28 04:48:34,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271bf056-f590-4658-aedf-40af1f7e4ddd/bin/uautomizer-verify-aQ6SnzHsRB/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