./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/Sequence.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/Sequence.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd --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 95ccbbbc448c04acb65590867534531dd0d1de0ae6cfb9bc69f5ca4c10abccd4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:38:11,672 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:38:11,787 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-13 14:38:11,793 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:38:11,795 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:38:11,839 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:38:11,840 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:38:11,841 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:38:11,842 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:38:11,842 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:38:11,845 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:38:11,845 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:38:11,845 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:38:11,846 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-13 14:38:11,846 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-13 14:38:11,846 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-13 14:38:11,846 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-13 14:38:11,847 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-13 14:38:11,847 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-13 14:38:11,848 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:38:11,848 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-13 14:38:11,848 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:38:11,848 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:38:11,848 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-13 14:38:11,849 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-13 14:38:11,849 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-13 14:38:11,849 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:38:11,850 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:38:11,850 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:38:11,850 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-13 14:38:11,850 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:38:11,850 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:38:11,850 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:38:11,851 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:38:11,851 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:38:11,851 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-13 14:38:11,852 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_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd 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 -> 95ccbbbc448c04acb65590867534531dd0d1de0ae6cfb9bc69f5ca4c10abccd4 [2024-11-13 14:38:12,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:38:12,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:38:12,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:38:12,285 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:38:12,285 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:38:12,288 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/termination-restricted-15/Sequence.c Unable to find full path for "g++" [2024-11-13 14:38:14,666 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:38:14,923 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:38:14,924 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/sv-benchmarks/c/termination-restricted-15/Sequence.c [2024-11-13 14:38:14,932 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/data/bbc63beb2/245d878408e14494afa332879049a121/FLAG99119902d [2024-11-13 14:38:14,958 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/data/bbc63beb2/245d878408e14494afa332879049a121 [2024-11-13 14:38:14,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:38:14,964 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:38:14,968 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:38:14,970 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:38:14,980 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:38:14,981 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:38:14" (1/1) ... [2024-11-13 14:38:14,985 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b8c18c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:38:14, skipping insertion in model container [2024-11-13 14:38:14,985 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:38:14" (1/1) ... [2024-11-13 14:38:15,003 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:38:15,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:38:15,222 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:38:15,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:38:15,254 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:38:15,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:38:15 WrapperNode [2024-11-13 14:38:15,255 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:38:15,257 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:38:15,257 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:38:15,257 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:38:15,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:38:15" (1/1) ... [2024-11-13 14:38:15,271 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:38:15" (1/1) ... [2024-11-13 14:38:15,291 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2024-11-13 14:38:15,292 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:38:15,292 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:38:15,292 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:38:15,293 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:38:15,305 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:38:15" (1/1) ... [2024-11-13 14:38:15,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:38:15" (1/1) ... [2024-11-13 14:38:15,306 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:38:15" (1/1) ... [2024-11-13 14:38:15,312 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 14:38:15,313 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:38:15" (1/1) ... [2024-11-13 14:38:15,314 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:38:15" (1/1) ... [2024-11-13 14:38:15,315 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:38:15" (1/1) ... [2024-11-13 14:38:15,323 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:38:15" (1/1) ... [2024-11-13 14:38:15,323 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:38:15" (1/1) ... [2024-11-13 14:38:15,324 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:38:15" (1/1) ... [2024-11-13 14:38:15,326 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:38:15,328 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:38:15,328 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:38:15,330 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:38:15,331 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:38:15" (1/1) ... [2024-11-13 14:38:15,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:38:15,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:38:15,379 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:38:15,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-13 14:38:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:38:15,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:38:15,518 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:38:15,521 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:38:15,593 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-13 14:38:15,594 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:38:15,608 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:38:15,609 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 14:38:15,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:38:15 BoogieIcfgContainer [2024-11-13 14:38:15,610 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:38:15,611 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-13 14:38:15,611 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-13 14:38:15,618 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-13 14:38:15,618 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 14:38:15,619 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 02:38:14" (1/3) ... [2024-11-13 14:38:15,620 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@46bab8ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 02:38:15, skipping insertion in model container [2024-11-13 14:38:15,620 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 14:38:15,621 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:38:15" (2/3) ... [2024-11-13 14:38:15,621 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@46bab8ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 02:38:15, skipping insertion in model container [2024-11-13 14:38:15,621 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 14:38:15,621 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:38:15" (3/3) ... [2024-11-13 14:38:15,623 INFO L333 chiAutomizerObserver]: Analyzing ICFG Sequence.c [2024-11-13 14:38:15,703 INFO L299 stractBuchiCegarLoop]: Interprodecural is true [2024-11-13 14:38:15,704 INFO L300 stractBuchiCegarLoop]: Hoare is None [2024-11-13 14:38:15,704 INFO L301 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-13 14:38:15,704 INFO L302 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-13 14:38:15,704 INFO L303 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-13 14:38:15,705 INFO L304 stractBuchiCegarLoop]: Difference is false [2024-11-13 14:38:15,705 INFO L305 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-13 14:38:15,706 INFO L309 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-13 14:38:15,713 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 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) [2024-11-13 14:38:15,737 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2024-11-13 14:38:15,737 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:38:15,739 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:38:15,745 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-13 14:38:15,746 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-13 14:38:15,746 INFO L331 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-13 14:38:15,747 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 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) [2024-11-13 14:38:15,749 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2024-11-13 14:38:15,749 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:38:15,750 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:38:15,750 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-13 14:38:15,750 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-13 14:38:15,759 INFO L745 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~j~0#1;havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0;main_~j~0#1 := 5; 8#L11-2true [2024-11-13 14:38:15,763 INFO L747 eck$LassoCheckResult]: Loop: 8#L11-2true assume !!(main_~i~0#1 < 100);main_~i~0#1 := 1 + main_~i~0#1; 8#L11-2true [2024-11-13 14:38:15,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:38:15,776 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-13 14:38:15,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:38:15,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212589672] [2024-11-13 14:38:15,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:38:15,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:38:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:38:15,884 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:38:15,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:38:15,904 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:38:15,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:38:15,908 INFO L85 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2024-11-13 14:38:15,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:38:15,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761367667] [2024-11-13 14:38:15,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:38:15,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:38:15,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:38:15,921 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:38:15,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:38:15,927 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:38:15,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:38:15,929 INFO L85 PathProgramCache]: Analyzing trace with hash 29863, now seen corresponding path program 1 times [2024-11-13 14:38:15,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:38:15,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957231302] [2024-11-13 14:38:15,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:38:15,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:38:15,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:38:15,940 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:38:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:38:15,947 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:38:16,059 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:38:16,061 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:38:16,061 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:38:16,061 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:38:16,062 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-13 14:38:16,062 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:38:16,063 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:38:16,064 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:38:16,065 INFO L132 ssoRankerPreferences]: Filename of dumped script: Sequence.c_Iteration1_Loop [2024-11-13 14:38:16,065 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:38:16,065 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:38:16,089 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:38:16,109 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:38:16,124 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:38:16,270 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:38:16,270 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-13 14:38:16,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:38:16,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:38:16,276 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:38:16,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-13 14:38:16,281 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 14:38:16,281 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:38:16,324 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 14:38:16,324 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: [] [2024-11-13 14:38:16,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-13 14:38:16,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:38:16,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:38:16,352 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:38:16,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-13 14:38:16,359 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 14:38:16,360 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:38:16,398 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 14:38:16,398 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: [] [2024-11-13 14:38:16,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-13 14:38:16,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:38:16,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:38:16,426 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:38:16,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-13 14:38:16,430 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 14:38:16,430 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:38:16,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-13 14:38:16,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:38:16,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:38:16,480 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:38:16,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-13 14:38:16,486 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 14:38:16,486 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:38:16,547 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-13 14:38:16,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-13 14:38:16,552 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:38:16,552 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:38:16,552 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:38:16,552 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:38:16,552 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 14:38:16,552 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:38:16,553 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:38:16,553 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:38:16,553 INFO L132 ssoRankerPreferences]: Filename of dumped script: Sequence.c_Iteration1_Loop [2024-11-13 14:38:16,553 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:38:16,553 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:38:16,556 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:38:16,563 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:38:16,572 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:38:16,657 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:38:16,662 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 14:38:16,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:38:16,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:38:16,666 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:38:16,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-13 14:38:16,678 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 [2024-11-13 14:38:16,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:38:16,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:38:16,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:38:16,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:38:16,713 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:38:16,713 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:38:16,731 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:38:16,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-13 14:38:16,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:38:16,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:38:16,758 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:38:16,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-13 14:38:16,761 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 [2024-11-13 14:38:16,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:38:16,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:38:16,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:38:16,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:38:16,785 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:38:16,785 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:38:16,794 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:38:16,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-13 14:38:16,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:38:16,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:38:16,817 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:38:16,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-13 14:38:16,820 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 [2024-11-13 14:38:16,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:38:16,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:38:16,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:38:16,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:38:16,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:38:16,838 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:38:16,838 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:38:16,844 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 14:38:16,857 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-13 14:38:16,861 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-13 14:38:16,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:38:16,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:38:16,869 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:38:16,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-13 14:38:16,875 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 14:38:16,875 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-13 14:38:16,875 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 14:38:16,876 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 199 Supporting invariants [] [2024-11-13 14:38:16,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-13 14:38:16,922 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-13 14:38:16,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-13 14:38:16,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:38:17,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:17,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 14:38:17,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:38:17,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:17,040 WARN L253 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 14:38:17,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:38:17,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:38:17,087 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-13 14:38:17,090 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 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 2 states, 2 states have (on average 1.5) internal successors, (3), 2 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) [2024-11-13 14:38:17,137 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 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 2 states, 2 states have (on average 1.5) internal successors, (3), 2 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) Result 15 states and 23 transitions. Complement of second has 4 states. [2024-11-13 14:38:17,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 14:38:17,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 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) [2024-11-13 14:38:17,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2024-11-13 14:38:17,158 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 2 letters. Loop has 1 letters. [2024-11-13 14:38:17,160 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:38:17,160 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 3 letters. Loop has 1 letters. [2024-11-13 14:38:17,161 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:38:17,161 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 2 letters. Loop has 2 letters. [2024-11-13 14:38:17,162 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:38:17,163 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 23 transitions. [2024-11-13 14:38:17,164 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-11-13 14:38:17,167 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 6 states and 8 transitions. [2024-11-13 14:38:17,169 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2024-11-13 14:38:17,169 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2024-11-13 14:38:17,170 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 8 transitions. [2024-11-13 14:38:17,171 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 14:38:17,171 INFO L218 hiAutomatonCegarLoop]: Abstraction has 6 states and 8 transitions. [2024-11-13 14:38:17,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 8 transitions. [2024-11-13 14:38:17,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 5. [2024-11-13 14:38:17,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 4 states have internal predecessors, (7), 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) [2024-11-13 14:38:17,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2024-11-13 14:38:17,202 INFO L240 hiAutomatonCegarLoop]: Abstraction has 5 states and 7 transitions. [2024-11-13 14:38:17,203 INFO L424 stractBuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2024-11-13 14:38:17,203 INFO L331 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-13 14:38:17,203 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 7 transitions. [2024-11-13 14:38:17,203 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-11-13 14:38:17,205 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:38:17,205 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:38:17,206 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-13 14:38:17,206 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-13 14:38:17,206 INFO L745 eck$LassoCheckResult]: Stem: 53#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 54#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~j~0#1;havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0;main_~j~0#1 := 5; 55#L11-2 assume !(main_~i~0#1 < 100); 52#L13-1 [2024-11-13 14:38:17,206 INFO L747 eck$LassoCheckResult]: Loop: 52#L13-1 assume !!(main_~j~0#1 < 21);main_~j~0#1 := 3 + main_~j~0#1; 52#L13-1 [2024-11-13 14:38:17,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:38:17,207 INFO L85 PathProgramCache]: Analyzing trace with hash 29861, now seen corresponding path program 1 times [2024-11-13 14:38:17,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:38:17,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776129302] [2024-11-13 14:38:17,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:38:17,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:38:17,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:17,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:38:17,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:38:17,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776129302] [2024-11-13 14:38:17,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776129302] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:38:17,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:38:17,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:38:17,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064008165] [2024-11-13 14:38:17,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:38:17,291 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 14:38:17,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:38:17,293 INFO L85 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times [2024-11-13 14:38:17,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:38:17,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531434755] [2024-11-13 14:38:17,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:38:17,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:38:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:38:17,302 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:38:17,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:38:17,308 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:38:17,342 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:38:17,344 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:38:17,344 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:38:17,344 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:38:17,344 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-13 14:38:17,344 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:38:17,344 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:38:17,344 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:38:17,344 INFO L132 ssoRankerPreferences]: Filename of dumped script: Sequence.c_Iteration2_Loop [2024-11-13 14:38:17,345 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:38:17,345 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:38:17,346 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:38:17,356 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:38:17,365 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:38:17,448 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:38:17,448 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-13 14:38:17,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:38:17,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:38:17,451 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:38:17,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-13 14:38:17,456 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 14:38:17,456 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:38:17,492 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 14:38:17,492 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 14:38:17,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-13 14:38:17,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:38:17,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:38:17,520 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:38:17,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-13 14:38:17,522 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 14:38:17,522 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:38:17,553 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 14:38:17,553 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 14:38:17,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-13 14:38:17,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:38:17,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:38:17,573 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:38:17,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-13 14:38:17,575 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 14:38:17,575 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:38:17,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-13 14:38:17,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:38:17,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:38:17,616 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:38:17,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-13 14:38:17,619 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 14:38:17,619 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:38:17,672 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-13 14:38:17,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-13 14:38:17,676 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:38:17,676 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:38:17,676 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:38:17,676 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:38:17,676 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 14:38:17,676 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:38:17,676 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:38:17,676 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:38:17,676 INFO L132 ssoRankerPreferences]: Filename of dumped script: Sequence.c_Iteration2_Loop [2024-11-13 14:38:17,676 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:38:17,676 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:38:17,678 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:38:17,685 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:38:17,690 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:38:17,778 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:38:17,778 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 14:38:17,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:38:17,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:38:17,782 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:38:17,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-13 14:38:17,785 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 [2024-11-13 14:38:17,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:38:17,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:38:17,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:38:17,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:38:17,811 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:38:17,811 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:38:17,824 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:38:17,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-13 14:38:17,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:38:17,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:38:17,850 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:38:17,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-13 14:38:17,854 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 [2024-11-13 14:38:17,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:38:17,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:38:17,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:38:17,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:38:17,880 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:38:17,880 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:38:17,891 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:38:17,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-13 14:38:17,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:38:17,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:38:17,920 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:38:17,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-13 14:38:17,923 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 [2024-11-13 14:38:17,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:38:17,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:38:17,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:38:17,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:38:17,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:38:17,945 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:38:17,945 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:38:17,949 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 14:38:17,954 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-13 14:38:17,954 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-13 14:38:17,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:38:17,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:38:17,957 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:38:17,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-13 14:38:17,961 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 14:38:17,961 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-13 14:38:17,961 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 14:38:17,961 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1) = -2*ULTIMATE.start_main_~j~0#1 + 43 Supporting invariants [] [2024-11-13 14:38:17,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-13 14:38:17,981 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-13 14:38:18,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:38:18,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:18,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 14:38:18,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:38:18,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:38:18,036 WARN L253 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 14:38:18,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:38:18,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:38:18,037 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-13 14:38:18,038 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 5 states and 7 transitions. cyclomatic complexity: 4 Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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) [2024-11-13 14:38:18,045 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 5 states and 7 transitions. cyclomatic complexity: 4. Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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 6 states and 8 transitions. Complement of second has 2 states. [2024-11-13 14:38:18,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 14:38:18,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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) [2024-11-13 14:38:18,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 5 transitions. [2024-11-13 14:38:18,047 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 3 letters. Loop has 1 letters. [2024-11-13 14:38:18,048 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:38:18,048 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 4 letters. Loop has 1 letters. [2024-11-13 14:38:18,048 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:38:18,049 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 3 letters. Loop has 2 letters. [2024-11-13 14:38:18,049 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:38:18,049 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 8 transitions. [2024-11-13 14:38:18,049 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 14:38:18,050 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 0 states and 0 transitions. [2024-11-13 14:38:18,050 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-13 14:38:18,050 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-13 14:38:18,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-13 14:38:18,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 14:38:18,050 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 14:38:18,050 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 14:38:18,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:38:18,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:38:18,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:38:18,054 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. 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) [2024-11-13 14:38:18,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:38:18,057 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-11-13 14:38:18,057 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-11-13 14:38:18,058 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 14:38:18,058 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 14:38:18,058 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-13 14:38:18,058 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-13 14:38:18,058 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-13 14:38:18,058 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 14:38:18,058 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 14:38:18,058 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 14:38:18,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 14:38:18,059 INFO L424 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 14:38:18,059 INFO L331 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-13 14:38:18,060 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-13 14:38:18,060 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 14:38:18,060 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-13 14:38:18,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 02:38:18 BoogieIcfgContainer [2024-11-13 14:38:18,072 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-13 14:38:18,072 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:38:18,072 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:38:18,073 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:38:18,073 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:38:15" (3/4) ... [2024-11-13 14:38:18,077 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 14:38:18,078 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:38:18,079 INFO L158 Benchmark]: Toolchain (without parser) took 3115.18ms. Allocated memory is still 100.7MB. Free memory was 75.5MB in the beginning and 47.8MB in the end (delta: 27.6MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2024-11-13 14:38:18,079 INFO L158 Benchmark]: CDTParser took 1.34ms. Allocated memory is still 83.9MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:38:18,079 INFO L158 Benchmark]: CACSL2BoogieTranslator took 287.47ms. Allocated memory is still 100.7MB. Free memory was 75.5MB in the beginning and 65.5MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:38:18,080 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.12ms. Allocated memory is still 100.7MB. Free memory was 65.5MB in the beginning and 64.7MB in the end (delta: 829.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:38:18,080 INFO L158 Benchmark]: Boogie Preprocessor took 33.87ms. Allocated memory is still 100.7MB. Free memory was 64.7MB in the beginning and 63.9MB in the end (delta: 776.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:38:18,081 INFO L158 Benchmark]: RCFGBuilder took 281.63ms. Allocated memory is still 100.7MB. Free memory was 63.9MB in the beginning and 55.7MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:38:18,081 INFO L158 Benchmark]: BuchiAutomizer took 2461.11ms. Allocated memory is still 100.7MB. Free memory was 55.7MB in the beginning and 48.4MB in the end (delta: 7.2MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2024-11-13 14:38:18,081 INFO L158 Benchmark]: Witness Printer took 5.25ms. Allocated memory is still 100.7MB. Free memory was 47.9MB in the beginning and 47.8MB in the end (delta: 12.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:38:18,084 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.34ms. Allocated memory is still 83.9MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 287.47ms. Allocated memory is still 100.7MB. Free memory was 75.5MB in the beginning and 65.5MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.12ms. Allocated memory is still 100.7MB. Free memory was 65.5MB in the beginning and 64.7MB in the end (delta: 829.5kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.87ms. Allocated memory is still 100.7MB. Free memory was 64.7MB in the beginning and 63.9MB in the end (delta: 776.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 281.63ms. Allocated memory is still 100.7MB. Free memory was 63.9MB in the beginning and 55.7MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2461.11ms. Allocated memory is still 100.7MB. Free memory was 55.7MB in the beginning and 48.4MB in the end (delta: 7.2MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * Witness Printer took 5.25ms. Allocated memory is still 100.7MB. Free memory was 47.9MB in the beginning and 47.8MB in the end (delta: 12.1kB). 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long) -2 * i) + 199) and consists of 3 locations. One deterministic module has affine ranking function (((long) -2 * j) + 43) and consists of 2 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 6 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax220 hnf100 lsp45 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 67ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-13 14:38:18,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-13 14:38:18,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af27867-1158-40d3-9292-0df1aa5a9641/bin/uautomizer-verify-qhAvR1uOyd/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