./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-cousot9.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_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/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_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-cousot9.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/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_d57ae63f-ab03-4951-81b6-2613fffe4daa/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 82f10acf23a705ed9ee52063aab9490fd4596871d88518858bc1e47422aca9cc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:41:27,738 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:41:27,816 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-13 15:41:27,823 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:41:27,823 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:41:27,853 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:41:27,854 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:41:27,854 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:41:27,855 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:41:27,855 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:41:27,856 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:41:27,856 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:41:27,856 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:41:27,856 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-13 15:41:27,856 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-13 15:41:27,857 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-13 15:41:27,857 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-13 15:41:27,857 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-13 15:41:27,857 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-13 15:41:27,857 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:41:27,858 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-13 15:41:27,858 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:41:27,858 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:41:27,858 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-13 15:41:27,858 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-13 15:41:27,859 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-13 15:41:27,863 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:41:27,863 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:41:27,863 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:41:27,863 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-13 15:41:27,863 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:41:27,864 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:41:27,864 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:41:27,864 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:41:27,864 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:41:27,864 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-13 15:41:27,865 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_d57ae63f-ab03-4951-81b6-2613fffe4daa/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 -> 82f10acf23a705ed9ee52063aab9490fd4596871d88518858bc1e47422aca9cc [2024-11-13 15:41:28,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:41:28,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:41:28,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:41:28,310 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:41:28,310 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:41:28,313 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-cousot9.c Unable to find full path for "g++" [2024-11-13 15:41:30,780 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:41:31,153 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:41:31,161 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-cousot9.c [2024-11-13 15:41:31,185 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/data/56b3f8dd1/a18361a5b2f848de8a3ac7096acc9e11/FLAG663c78dbf [2024-11-13 15:41:31,226 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/data/56b3f8dd1/a18361a5b2f848de8a3ac7096acc9e11 [2024-11-13 15:41:31,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:41:31,233 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:41:31,237 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:41:31,238 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:41:31,247 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:41:31,248 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:41:31" (1/1) ... [2024-11-13 15:41:31,251 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15d449c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:31, skipping insertion in model container [2024-11-13 15:41:31,254 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:41:31" (1/1) ... [2024-11-13 15:41:31,274 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:41:31,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:41:31,500 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:41:31,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:41:31,541 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:41:31,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:31 WrapperNode [2024-11-13 15:41:31,543 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:41:31,544 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:41:31,545 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:41:31,545 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:41:31,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:31" (1/1) ... [2024-11-13 15:41:31,563 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:31" (1/1) ... [2024-11-13 15:41:31,585 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2024-11-13 15:41:31,586 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:41:31,587 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:41:31,588 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:41:31,588 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:41:31,600 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:31" (1/1) ... [2024-11-13 15:41:31,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:31" (1/1) ... [2024-11-13 15:41:31,601 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:31" (1/1) ... [2024-11-13 15:41:31,609 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 15:41:31,610 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:31" (1/1) ... [2024-11-13 15:41:31,610 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:31" (1/1) ... [2024-11-13 15:41:31,612 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:31" (1/1) ... [2024-11-13 15:41:31,620 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:31" (1/1) ... [2024-11-13 15:41:31,621 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:31" (1/1) ... [2024-11-13 15:41:31,622 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:31" (1/1) ... [2024-11-13 15:41:31,624 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:41:31,626 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:41:31,626 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:41:31,626 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:41:31,627 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:31" (1/1) ... [2024-11-13 15:41:31,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:41:31,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:41:31,674 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:41:31,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-13 15:41:31,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:41:31,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:41:31,826 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:41:31,828 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:41:31,912 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2024-11-13 15:41:31,912 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:41:31,925 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:41:31,926 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 15:41:31,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:41:31 BoogieIcfgContainer [2024-11-13 15:41:31,926 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:41:31,927 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-13 15:41:31,927 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-13 15:41:31,934 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-13 15:41:31,935 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 15:41:31,935 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 03:41:31" (1/3) ... [2024-11-13 15:41:31,936 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77a180d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 03:41:31, skipping insertion in model container [2024-11-13 15:41:31,937 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 15:41:31,937 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:41:31" (2/3) ... [2024-11-13 15:41:31,937 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77a180d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 03:41:31, skipping insertion in model container [2024-11-13 15:41:31,937 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 15:41:31,937 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:41:31" (3/3) ... [2024-11-13 15:41:31,939 INFO L333 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-cousot9.c [2024-11-13 15:41:32,025 INFO L299 stractBuchiCegarLoop]: Interprodecural is true [2024-11-13 15:41:32,025 INFO L300 stractBuchiCegarLoop]: Hoare is None [2024-11-13 15:41:32,025 INFO L301 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-13 15:41:32,025 INFO L302 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-13 15:41:32,026 INFO L303 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-13 15:41:32,026 INFO L304 stractBuchiCegarLoop]: Difference is false [2024-11-13 15:41:32,026 INFO L305 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-13 15:41:32,027 INFO L309 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-13 15:41:32,034 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:41:32,055 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 15:41:32,055 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 15:41:32,057 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 15:41:32,063 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-13 15:41:32,063 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 15:41:32,063 INFO L331 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-13 15:41:32,064 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:41:32,066 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 15:41:32,066 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 15:41:32,067 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 15:41:32,067 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-13 15:41:32,067 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 15:41:32,076 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_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~j~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~j~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~N~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~i~0#1 := main_~N~0#1; 2#L19-2true [2024-11-13 15:41:32,077 INFO L747 eck$LassoCheckResult]: Loop: 2#L19-2true assume !!(main_~i~0#1 > 0); 8#L19true assume main_~j~0#1 > 0;main_~j~0#1 := main_~j~0#1 - 1; 2#L19-2true [2024-11-13 15:41:32,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:41:32,085 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-13 15:41:32,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:41:32,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246767206] [2024-11-13 15:41:32,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:41:32,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:41:32,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:41:32,207 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:41:32,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:41:32,236 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:41:32,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:41:32,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2024-11-13 15:41:32,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:41:32,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330156192] [2024-11-13 15:41:32,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:41:32,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:41:32,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:41:32,266 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:41:32,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:41:32,274 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:41:32,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:41:32,277 INFO L85 PathProgramCache]: Analyzing trace with hash 925766, now seen corresponding path program 1 times [2024-11-13 15:41:32,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:41:32,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370299291] [2024-11-13 15:41:32,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:41:32,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:41:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:41:32,297 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:41:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:41:32,309 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:41:32,437 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 15:41:32,440 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 15:41:32,441 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 15:41:32,441 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 15:41:32,441 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-13 15:41:32,443 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:41:32,443 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 15:41:32,443 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 15:41:32,444 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-cousot9.c_Iteration1_Loop [2024-11-13 15:41:32,445 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 15:41:32,446 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 15:41:32,467 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:41:32,496 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:41:32,505 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:41:32,516 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:41:32,661 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 15:41:32,661 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-13 15:41:32,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:41:32,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:41:32,669 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:41:32,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-13 15:41:32,673 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 15:41:32,673 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 15:41:32,720 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 15:41:32,720 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 15:41:32,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-13 15:41:32,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:41:32,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:41:32,749 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:41:32,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-13 15:41:32,754 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 15:41:32,754 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 15:41:32,789 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 15:41:32,789 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 15:41:32,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-13 15:41:32,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:41:32,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:41:32,817 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:41:32,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-13 15:41:32,822 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 15:41:32,822 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 15:41:32,857 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 15:41:32,857 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0#1=1} Honda state: {ULTIMATE.start_main_~i~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 15:41:32,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-13 15:41:32,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:41:32,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:41:32,885 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:41:32,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-13 15:41:32,888 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 15:41:32,889 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 15:41:32,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-13 15:41:32,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:41:32,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:41:32,937 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:41:32,942 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 15:41:32,942 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 15:41:32,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-13 15:41:33,005 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-13 15:41:33,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-13 15:41:33,010 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 15:41:33,011 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 15:41:33,011 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 15:41:33,011 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 15:41:33,011 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 15:41:33,011 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:41:33,011 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 15:41:33,011 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 15:41:33,011 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-cousot9.c_Iteration1_Loop [2024-11-13 15:41:33,011 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 15:41:33,011 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 15:41:33,015 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:41:33,022 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:41:33,029 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:41:33,036 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:41:33,139 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 15:41:33,146 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 15:41:33,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:41:33,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:41:33,155 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:41:33,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-13 15:41:33,159 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 15:41:33,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:41:33,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:41:33,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:41:33,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:41:33,191 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:41:33,191 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:41:33,201 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:41:33,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-13 15:41:33,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:41:33,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:41:33,228 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:41:33,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-13 15:41:33,232 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 15:41:33,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:41:33,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:41:33,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:41:33,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:41:33,256 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:41:33,256 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:41:33,266 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:41:33,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-13 15:41:33,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:41:33,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:41:33,293 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:41:33,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-13 15:41:33,297 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 15:41:33,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:41:33,316 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 15:41:33,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:41:33,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:41:33,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:41:33,318 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 15:41:33,318 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 15:41:33,323 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:41:33,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-13 15:41:33,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:41:33,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:41:33,351 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:41:33,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-13 15:41:33,357 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 15:41:33,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:41:33,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 15:41:33,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:41:33,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:41:33,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:41:33,379 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 15:41:33,380 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 15:41:33,392 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 15:41:33,400 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-11-13 15:41:33,406 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-13 15:41:33,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:41:33,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:41:33,413 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:41:33,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-13 15:41:33,416 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 15:41:33,417 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-13 15:41:33,417 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 15:41:33,417 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1) = 1*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2024-11-13 15:41:33,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-13 15:41:33,449 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-13 15:41:33,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:41:33,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:33,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 15:41:33,512 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:41:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:33,533 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 15:41:33,534 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:41:33,551 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 15:41:33,597 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 15:41:33,600 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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) [2024-11-13 15:41:33,667 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). 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 20 states and 28 transitions. Complement of second has 6 states. [2024-11-13 15:41:33,669 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 [2024-11-13 15:41:33,676 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) [2024-11-13 15:41:33,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2024-11-13 15:41:33,688 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 2 letters. [2024-11-13 15:41:33,690 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 15:41:33,691 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-13 15:41:33,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 15:41:33,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-13 15:41:33,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 15:41:33,694 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 28 transitions. [2024-11-13 15:41:33,696 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 15:41:33,701 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 8 states and 11 transitions. [2024-11-13 15:41:33,703 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-11-13 15:41:33,703 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-11-13 15:41:33,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2024-11-13 15:41:33,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 15:41:33,705 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-11-13 15:41:33,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2024-11-13 15:41:33,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2024-11-13 15:41:33,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.375) 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 15:41:33,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2024-11-13 15:41:33,740 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-11-13 15:41:33,741 INFO L424 stractBuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-11-13 15:41:33,741 INFO L331 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-13 15:41:33,741 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 11 transitions. [2024-11-13 15:41:33,742 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 15:41:33,742 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 15:41:33,742 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 15:41:33,743 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-13 15:41:33,743 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 15:41:33,743 INFO L745 eck$LassoCheckResult]: Stem: 68#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 69#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~j~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~j~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~N~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~i~0#1 := main_~N~0#1; 70#L19-2 assume !!(main_~i~0#1 > 0); 67#L19 assume !(main_~j~0#1 > 0);main_~j~0#1 := main_~N~0#1;main_~i~0#1 := main_~i~0#1 - 1; 63#L19-2 [2024-11-13 15:41:33,743 INFO L747 eck$LassoCheckResult]: Loop: 63#L19-2 assume !!(main_~i~0#1 > 0); 64#L19 assume main_~j~0#1 > 0;main_~j~0#1 := main_~j~0#1 - 1; 63#L19-2 [2024-11-13 15:41:33,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:41:33,744 INFO L85 PathProgramCache]: Analyzing trace with hash 925768, now seen corresponding path program 1 times [2024-11-13 15:41:33,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:41:33,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650076073] [2024-11-13 15:41:33,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:41:33,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:41:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:41:33,757 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:41:33,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:41:33,765 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:41:33,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:41:33,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 2 times [2024-11-13 15:41:33,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:41:33,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854476525] [2024-11-13 15:41:33,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:41:33,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:41:33,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:41:33,779 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:41:33,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:41:33,788 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:41:33,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:41:33,789 INFO L85 PathProgramCache]: Analyzing trace with hash 889663371, now seen corresponding path program 1 times [2024-11-13 15:41:33,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:41:33,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107551664] [2024-11-13 15:41:33,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:41:33,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:41:33,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:41:33,821 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:41:33,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:41:33,834 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:41:33,901 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 15:41:33,901 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 15:41:33,901 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 15:41:33,901 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 15:41:33,901 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-13 15:41:33,901 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:41:33,902 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 15:41:33,902 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 15:41:33,902 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-cousot9.c_Iteration2_Loop [2024-11-13 15:41:33,902 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 15:41:33,902 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 15:41:33,904 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:41:33,918 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:41:33,926 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:41:33,934 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:41:34,054 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 15:41:34,054 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-13 15:41:34,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:41:34,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:41:34,057 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:41:34,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-13 15:41:34,083 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 15:41:34,083 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 15:41:34,117 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 15:41:34,117 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 15:41:34,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-13 15:41:34,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-13 15:41:34,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:41:34,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:41:34,151 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:41:34,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-13 15:41:34,154 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 15:41:34,154 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 15:41:34,190 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 15:41:34,190 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 15:41:34,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-13 15:41:34,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:41:34,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:41:34,213 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:41:34,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-13 15:41:34,216 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 15:41:34,216 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 15:41:34,244 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 15:41:34,244 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0#1=1} Honda state: {ULTIMATE.start_main_~i~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 15:41:34,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-13 15:41:34,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:41:34,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:41:34,263 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:41:34,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-13 15:41:34,266 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 15:41:34,266 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 15:41:34,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-13 15:41:34,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:41:34,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:41:34,301 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:41:34,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-13 15:41:34,303 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 15:41:34,303 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 15:41:34,356 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-13 15:41:34,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-13 15:41:34,361 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 15:41:34,361 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 15:41:34,361 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 15:41:34,361 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 15:41:34,361 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 15:41:34,361 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:41:34,361 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 15:41:34,362 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 15:41:34,362 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-cousot9.c_Iteration2_Loop [2024-11-13 15:41:34,362 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 15:41:34,362 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 15:41:34,364 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:41:34,373 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:41:34,380 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:41:34,387 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:41:34,475 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 15:41:34,475 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 15:41:34,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:41:34,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:41:34,481 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:41:34,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-13 15:41:34,485 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 15:41:34,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:41:34,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:41:34,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:41:34,505 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:41:34,510 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:41:34,510 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:41:34,517 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:41:34,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-11-13 15:41:34,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:41:34,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:41:34,546 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:41:34,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-13 15:41:34,550 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 15:41:34,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:41:34,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:41:34,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:41:34,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:41:34,574 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:41:34,574 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:41:34,581 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:41:34,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-13 15:41:34,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:41:34,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:41:34,602 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:41:34,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-13 15:41:34,604 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 15:41:34,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:41:34,620 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 15:41:34,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:41:34,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:41:34,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:41:34,622 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 15:41:34,622 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 15:41:34,625 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:41:34,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-13 15:41:34,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:41:34,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:41:34,650 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:41:34,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-13 15:41:34,653 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 15:41:34,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:41:34,668 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 15:41:34,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:41:34,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:41:34,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:41:34,670 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 15:41:34,670 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 15:41:34,676 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 15:41:34,682 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-13 15:41:34,683 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-13 15:41:34,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:41:34,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:41:34,686 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:41:34,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-13 15:41:34,690 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 15:41:34,691 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-13 15:41:34,691 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 15:41:34,691 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1) = 1*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2024-11-13 15:41:34,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-13 15:41:34,709 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-13 15:41:34,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:41:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:34,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 15:41:34,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:41:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:34,766 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 15:41:34,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:41:34,770 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 15:41:34,771 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 15:41:34,772 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 11 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:41:34,784 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 11 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12 states and 17 transitions. Complement of second has 5 states. [2024-11-13 15:41:34,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-13 15:41:34,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:41:34,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2024-11-13 15:41:34,787 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-13 15:41:34,788 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 15:41:34,788 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2024-11-13 15:41:34,788 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 15:41:34,789 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 4 letters. [2024-11-13 15:41:34,789 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 15:41:34,789 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 17 transitions. [2024-11-13 15:41:34,790 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 15:41:34,790 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 12 states and 17 transitions. [2024-11-13 15:41:34,791 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-11-13 15:41:34,791 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-11-13 15:41:34,791 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 17 transitions. [2024-11-13 15:41:34,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 15:41:34,791 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 17 transitions. [2024-11-13 15:41:34,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 17 transitions. [2024-11-13 15:41:34,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-13 15:41:34,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 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 15:41:34,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 17 transitions. [2024-11-13 15:41:34,794 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 17 transitions. [2024-11-13 15:41:34,794 INFO L424 stractBuchiCegarLoop]: Abstraction has 12 states and 17 transitions. [2024-11-13 15:41:34,794 INFO L331 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-13 15:41:34,794 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 17 transitions. [2024-11-13 15:41:34,795 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 15:41:34,795 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 15:41:34,795 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 15:41:34,795 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1] [2024-11-13 15:41:34,795 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 15:41:34,796 INFO L745 eck$LassoCheckResult]: Stem: 125#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 126#L-1 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_~i~0#1, main_~j~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~j~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~N~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~i~0#1 := main_~N~0#1; 128#L19-2 assume !!(main_~i~0#1 > 0); 124#L19 assume !(main_~j~0#1 > 0);main_~j~0#1 := main_~N~0#1;main_~i~0#1 := main_~i~0#1 - 1; 127#L19-2 assume !!(main_~i~0#1 > 0); 129#L19 assume !(main_~j~0#1 > 0);main_~j~0#1 := main_~N~0#1;main_~i~0#1 := main_~i~0#1 - 1; 120#L19-2 [2024-11-13 15:41:34,796 INFO L747 eck$LassoCheckResult]: Loop: 120#L19-2 assume !!(main_~i~0#1 > 0); 121#L19 assume main_~j~0#1 > 0;main_~j~0#1 := main_~j~0#1 - 1; 120#L19-2 [2024-11-13 15:41:34,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:41:34,797 INFO L85 PathProgramCache]: Analyzing trace with hash 889663373, now seen corresponding path program 2 times [2024-11-13 15:41:34,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:41:34,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077053396] [2024-11-13 15:41:34,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:41:34,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:41:34,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:34,944 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:41:34,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:41:34,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077053396] [2024-11-13 15:41:34,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077053396] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:41:34,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515000340] [2024-11-13 15:41:34,945 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 15:41:34,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:41:34,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:41:34,947 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:41:34,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-13 15:41:34,983 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 15:41:34,983 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:41:34,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 15:41:34,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:41:35,054 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:41:35,054 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:41:35,124 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:41:35,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [515000340] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:41:35,124 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:41:35,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-13 15:41:35,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043319288] [2024-11-13 15:41:35,126 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:41:35,127 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 15:41:35,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:41:35,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 3 times [2024-11-13 15:41:35,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:41:35,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163440720] [2024-11-13 15:41:35,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:41:35,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:41:35,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:41:35,134 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:41:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:41:35,138 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:41:35,175 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 15:41:35,176 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 15:41:35,176 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 15:41:35,176 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 15:41:35,176 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-13 15:41:35,176 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:41:35,176 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 15:41:35,176 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 15:41:35,176 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-cousot9.c_Iteration3_Loop [2024-11-13 15:41:35,176 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 15:41:35,176 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 15:41:35,177 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:41:35,191 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:41:35,200 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:41:35,205 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:41:35,266 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 15:41:35,266 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-13 15:41:35,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:41:35,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:41:35,278 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:41:35,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-13 15:41:35,281 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 15:41:35,282 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 15:41:35,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-11-13 15:41:35,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:41:35,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:41:35,334 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:41:35,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-13 15:41:35,340 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 15:41:35,340 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 15:41:35,400 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-13 15:41:35,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-11-13 15:41:35,406 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 15:41:35,406 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 15:41:35,406 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 15:41:35,406 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 15:41:35,406 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 15:41:35,406 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:41:35,406 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 15:41:35,406 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 15:41:35,406 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-cousot9.c_Iteration3_Loop [2024-11-13 15:41:35,407 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 15:41:35,407 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 15:41:35,408 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:41:35,421 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:41:35,427 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:41:35,433 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:41:35,503 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 15:41:35,503 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 15:41:35,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:41:35,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:41:35,506 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:41:35,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-13 15:41:35,510 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 15:41:35,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:41:35,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 15:41:35,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:41:35,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:41:35,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:41:35,534 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 15:41:35,534 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 15:41:35,538 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 15:41:35,542 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-11-13 15:41:35,542 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-13 15:41:35,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:41:35,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:41:35,546 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:41:35,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-13 15:41:35,551 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 15:41:35,551 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-13 15:41:35,551 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 15:41:35,551 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1) = 1*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2024-11-13 15:41:35,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-13 15:41:35,576 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-13 15:41:35,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:41:35,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:35,615 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 15:41:35,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:41:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:35,645 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 15:41:35,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:41:35,648 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 15:41:35,649 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 15:41:35,649 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 17 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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 15:41:35,667 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 17 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) Result 14 states and 21 transitions. Complement of second has 5 states. [2024-11-13 15:41:35,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-13 15:41:35,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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 15:41:35,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2024-11-13 15:41:35,670 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2024-11-13 15:41:35,670 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 15:41:35,670 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 15:41:35,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:41:35,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:35,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 15:41:35,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:41:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:35,732 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 15:41:35,732 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:41:35,736 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 15:41:35,737 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-13 15:41:35,738 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 17 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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 15:41:35,753 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 17 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) Result 14 states and 21 transitions. Complement of second has 5 states. [2024-11-13 15:41:35,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-13 15:41:35,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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 15:41:35,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2024-11-13 15:41:35,755 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2024-11-13 15:41:35,755 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 15:41:35,755 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 15:41:35,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:41:35,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:35,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 15:41:35,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:41:35,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:35,816 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 15:41:35,816 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:41:35,821 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 15:41:35,822 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-13 15:41:35,822 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 17 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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 15:41:35,837 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 17 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) Result 16 states and 24 transitions. Complement of second has 4 states. [2024-11-13 15:41:35,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-13 15:41:35,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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 15:41:35,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2024-11-13 15:41:35,839 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 2 letters. [2024-11-13 15:41:35,839 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 15:41:35,839 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 8 letters. Loop has 2 letters. [2024-11-13 15:41:35,839 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 15:41:35,839 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-13 15:41:35,840 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 15:41:35,840 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 24 transitions. [2024-11-13 15:41:35,841 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-13 15:41:35,842 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 14 states and 20 transitions. [2024-11-13 15:41:35,842 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-11-13 15:41:35,842 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-11-13 15:41:35,842 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 20 transitions. [2024-11-13 15:41:35,842 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 15:41:35,842 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 20 transitions. [2024-11-13 15:41:35,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 20 transitions. [2024-11-13 15:41:35,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 6. [2024-11-13 15:41:35,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 5 states have internal predecessors, (8), 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 15:41:35,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 8 transitions. [2024-11-13 15:41:35,844 INFO L240 hiAutomatonCegarLoop]: Abstraction has 6 states and 8 transitions. [2024-11-13 15:41:35,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:41:35,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 15:41:35,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:41:35,848 INFO L87 Difference]: Start difference. First operand 6 states and 8 transitions. Second operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 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 15:41:35,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:41:35,931 INFO L93 Difference]: Finished difference Result 12 states and 15 transitions. [2024-11-13 15:41:35,931 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. [2024-11-13 15:41:35,932 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-13 15:41:35,932 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 11 states and 14 transitions. [2024-11-13 15:41:35,932 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-11-13 15:41:35,933 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-11-13 15:41:35,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2024-11-13 15:41:35,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 15:41:35,933 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2024-11-13 15:41:35,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2024-11-13 15:41:35,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 7. [2024-11-13 15:41:35,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 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) [2024-11-13 15:41:35,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2024-11-13 15:41:35,934 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2024-11-13 15:41:35,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:41:35,938 INFO L424 stractBuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2024-11-13 15:41:35,938 INFO L331 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-13 15:41:35,938 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 9 transitions. [2024-11-13 15:41:35,938 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-13 15:41:35,938 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 15:41:35,938 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 15:41:35,939 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-13 15:41:35,939 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1] [2024-11-13 15:41:35,939 INFO L745 eck$LassoCheckResult]: Stem: 334#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 335#L-1 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_~i~0#1, main_~j~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~N~0#1;havoc main_#t~nondet0#1;main_~j~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~N~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~i~0#1 := main_~N~0#1; 336#L19-2 assume !!(main_~i~0#1 > 0); 333#L19 [2024-11-13 15:41:35,939 INFO L747 eck$LassoCheckResult]: Loop: 333#L19 assume !(main_~j~0#1 > 0);main_~j~0#1 := main_~N~0#1;main_~i~0#1 := main_~i~0#1 - 1; 330#L19-2 assume !!(main_~i~0#1 > 0); 331#L19 assume main_~j~0#1 > 0;main_~j~0#1 := main_~j~0#1 - 1; 332#L19-2 assume !!(main_~i~0#1 > 0); 333#L19 [2024-11-13 15:41:35,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:41:35,940 INFO L85 PathProgramCache]: Analyzing trace with hash 29863, now seen corresponding path program 1 times [2024-11-13 15:41:35,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:41:35,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694485099] [2024-11-13 15:41:35,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:41:35,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:41:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:41:35,947 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:41:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:41:35,953 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:41:35,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:41:35,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1380409, now seen corresponding path program 1 times [2024-11-13 15:41:35,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:41:35,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945058888] [2024-11-13 15:41:35,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:41:35,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:41:35,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:41:35,961 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:41:35,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:41:35,966 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:41:35,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:41:35,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1809760735, now seen corresponding path program 2 times [2024-11-13 15:41:35,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:41:35,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964690949] [2024-11-13 15:41:35,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:41:35,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:41:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:41:35,980 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:41:35,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:41:35,995 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:41:36,065 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 15:41:36,065 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 15:41:36,065 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 15:41:36,065 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 15:41:36,065 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-13 15:41:36,065 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:41:36,065 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 15:41:36,065 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 15:41:36,065 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-cousot9.c_Iteration4_Loop [2024-11-13 15:41:36,065 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 15:41:36,065 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 15:41:36,067 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:41:36,078 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:41:36,083 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:41:36,088 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:41:36,176 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 15:41:36,176 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-13 15:41:36,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:41:36,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:41:36,179 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:41:36,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-13 15:41:36,183 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 15:41:36,183 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 15:41:36,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-11-13 15:41:36,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:41:36,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:41:36,229 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:41:36,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-13 15:41:36,233 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 15:41:36,233 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 15:41:36,322 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-13 15:41:36,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-13 15:41:36,326 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 15:41:36,326 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 15:41:36,326 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 15:41:36,326 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 15:41:36,326 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 15:41:36,326 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:41:36,326 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 15:41:36,326 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 15:41:36,326 INFO L132 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-cousot9.c_Iteration4_Loop [2024-11-13 15:41:36,326 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 15:41:36,326 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 15:41:36,328 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:41:36,339 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:41:36,347 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:41:36,352 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:41:36,445 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 15:41:36,445 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 15:41:36,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:41:36,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:41:36,448 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:41:36,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-13 15:41:36,450 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 15:41:36,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:41:36,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 15:41:36,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:41:36,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:41:36,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:41:36,466 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 15:41:36,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 15:41:36,470 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 15:41:36,475 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-11-13 15:41:36,475 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-13 15:41:36,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:41:36,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:41:36,479 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:41:36,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-13 15:41:36,482 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 15:41:36,482 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-13 15:41:36,482 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 15:41:36,482 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-11-13 15:41:36,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-11-13 15:41:36,509 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-13 15:41:36,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:41:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:36,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 15:41:36,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:41:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:41:36,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 15:41:36,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:41:36,667 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:41:36,668 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-13 15:41:36,668 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand has 4 states, 4 states have (on average 1.75) 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 15:41:36,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-13 15:41:36,698 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3. Second operand has 4 states, 4 states have (on average 1.75) 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) Result 19 states and 25 transitions. Complement of second has 6 states. [2024-11-13 15:41:36,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-13 15:41:36,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) 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 15:41:36,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2024-11-13 15:41:36,703 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 3 letters. Loop has 4 letters. [2024-11-13 15:41:36,703 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 15:41:36,703 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 7 letters. Loop has 4 letters. [2024-11-13 15:41:36,703 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 15:41:36,703 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 3 letters. Loop has 8 letters. [2024-11-13 15:41:36,703 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 15:41:36,703 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 25 transitions. [2024-11-13 15:41:36,704 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 15:41:36,704 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2024-11-13 15:41:36,704 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-13 15:41:36,704 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-13 15:41:36,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-13 15:41:36,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 15:41:36,706 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 15:41:36,707 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 15:41:36,707 INFO L424 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 15:41:36,707 INFO L331 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-13 15:41:36,707 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-13 15:41:36,708 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 15:41:36,708 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-13 15:41:36,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-11-13 15:41:36,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 03:41:36 BoogieIcfgContainer [2024-11-13 15:41:36,726 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-13 15:41:36,727 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:41:36,727 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:41:36,727 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:41:36,728 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:41:31" (3/4) ... [2024-11-13 15:41:36,731 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 15:41:36,732 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:41:36,734 INFO L158 Benchmark]: Toolchain (without parser) took 5499.70ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 109.9MB in the end (delta: 8.9MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2024-11-13 15:41:36,735 INFO L158 Benchmark]: CDTParser took 0.94ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:41:36,735 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.03ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 109.1MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:41:36,735 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.85ms. Allocated memory is still 142.6MB. Free memory was 109.1MB in the beginning and 108.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:41:36,736 INFO L158 Benchmark]: Boogie Preprocessor took 37.18ms. Allocated memory is still 142.6MB. Free memory was 108.0MB in the beginning and 107.3MB in the end (delta: 710.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:41:36,736 INFO L158 Benchmark]: RCFGBuilder took 300.74ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 98.4MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:41:36,736 INFO L158 Benchmark]: BuchiAutomizer took 4799.05ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 110.7MB in the end (delta: -12.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:41:36,738 INFO L158 Benchmark]: Witness Printer took 5.04ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 109.9MB in the end (delta: 773.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:41:36,740 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.03ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 109.1MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.85ms. Allocated memory is still 142.6MB. Free memory was 109.1MB in the beginning and 108.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.18ms. Allocated memory is still 142.6MB. Free memory was 108.0MB in the beginning and 107.3MB in the end (delta: 710.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 300.74ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 98.4MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 4799.05ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 110.7MB in the end (delta: -12.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.04ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 109.9MB in the end (delta: 773.6kB). 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 5 terminating modules (1 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function j and consists of 4 locations. One deterministic module has affine ranking function j and consists of 3 locations. One deterministic module has affine ranking function i and consists of 4 locations. One nondeterministic module has affine ranking function j and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.7s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 3.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 12 StatesRemovedByMinimization, 2 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 [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 2/2 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 45 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39 mSDsluCounter, 51 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45 IncrementalHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 37 mSDtfsCounter, 45 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax183 hnf100 lsp39 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq156 hnf93 smp100 dnf100 smp100 tf112 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 53ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.7s 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 15:41:36,754 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Exception during sending of exit command (exit): Stream Closed [2024-11-13 15:41:36,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-13 15:41:36,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-13 15:41:37,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d57ae63f-ab03-4951-81b6-2613fffe4daa/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