./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/BradleyMannaSipma-CAV2005-Fig1.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_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/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_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/BradleyMannaSipma-CAV2005-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/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_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/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 8553bd7027647a5604588c30aa29c454809a172163824e055b8bdeea70d5613d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:01:24,535 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:01:24,642 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-13 14:01:24,651 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:01:24,652 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:01:24,697 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:01:24,697 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:01:24,698 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:01:24,698 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:01:24,699 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:01:24,699 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:01:24,700 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:01:24,700 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:01:24,701 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-13 14:01:24,702 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-13 14:01:24,703 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-13 14:01:24,703 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-13 14:01:24,703 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-13 14:01:24,703 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-13 14:01:24,703 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:01:24,704 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-13 14:01:24,704 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:01:24,704 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:01:24,704 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-13 14:01:24,704 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-13 14:01:24,704 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-13 14:01:24,705 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:01:24,705 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:01:24,705 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:01:24,705 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-13 14:01:24,705 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:01:24,705 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:01:24,706 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:01:24,706 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:01:24,706 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:01:24,706 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-13 14:01:24,706 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_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/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 -> 8553bd7027647a5604588c30aa29c454809a172163824e055b8bdeea70d5613d [2024-11-13 14:01:25,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:01:25,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:01:25,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:01:25,111 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:01:25,112 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:01:25,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/termination-crafted-lit/BradleyMannaSipma-CAV2005-Fig1.c Unable to find full path for "g++" [2024-11-13 14:01:27,053 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:01:27,322 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:01:27,323 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/sv-benchmarks/c/termination-crafted-lit/BradleyMannaSipma-CAV2005-Fig1.c [2024-11-13 14:01:27,332 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/data/380d722ab/b3a2c744c1d94697919d01b4af23a993/FLAGd8f4ae2ad [2024-11-13 14:01:27,361 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/data/380d722ab/b3a2c744c1d94697919d01b4af23a993 [2024-11-13 14:01:27,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:01:27,368 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:01:27,370 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:01:27,371 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:01:27,384 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:01:27,396 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:01:27" (1/1) ... [2024-11-13 14:01:27,398 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@203ac3f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:27, skipping insertion in model container [2024-11-13 14:01:27,398 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:01:27" (1/1) ... [2024-11-13 14:01:27,419 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:01:27,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:01:27,607 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:01:27,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:01:27,638 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:01:27,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:27 WrapperNode [2024-11-13 14:01:27,639 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:01:27,641 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:01:27,641 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:01:27,641 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:01:27,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:27" (1/1) ... [2024-11-13 14:01:27,654 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:27" (1/1) ... [2024-11-13 14:01:27,673 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2024-11-13 14:01:27,675 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:01:27,676 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:01:27,676 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:01:27,677 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:01:27,687 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:27" (1/1) ... [2024-11-13 14:01:27,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:27" (1/1) ... [2024-11-13 14:01:27,689 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:27" (1/1) ... [2024-11-13 14:01:27,695 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 14:01:27,696 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:27" (1/1) ... [2024-11-13 14:01:27,697 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:27" (1/1) ... [2024-11-13 14:01:27,700 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:27" (1/1) ... [2024-11-13 14:01:27,706 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:27" (1/1) ... [2024-11-13 14:01:27,707 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:27" (1/1) ... [2024-11-13 14:01:27,708 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:27" (1/1) ... [2024-11-13 14:01:27,709 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:01:27,711 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:01:27,712 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:01:27,712 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:01:27,713 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:27" (1/1) ... [2024-11-13 14:01:27,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:27,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:27,758 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:27,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-13 14:01:27,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:01:27,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:01:27,903 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:01:27,906 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:01:27,997 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 14:01:27,998 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:01:28,012 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:01:28,016 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 14:01:28,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:01:28 BoogieIcfgContainer [2024-11-13 14:01:28,017 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:01:28,018 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-13 14:01:28,018 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-13 14:01:28,026 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-13 14:01:28,027 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 14:01:28,027 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 02:01:27" (1/3) ... [2024-11-13 14:01:28,029 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38fe728f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 02:01:28, skipping insertion in model container [2024-11-13 14:01:28,029 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 14:01:28,029 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:01:27" (2/3) ... [2024-11-13 14:01:28,030 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38fe728f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 02:01:28, skipping insertion in model container [2024-11-13 14:01:28,031 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 14:01:28,031 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:01:28" (3/3) ... [2024-11-13 14:01:28,033 INFO L333 chiAutomizerObserver]: Analyzing ICFG BradleyMannaSipma-CAV2005-Fig1.c [2024-11-13 14:01:28,114 INFO L299 stractBuchiCegarLoop]: Interprodecural is true [2024-11-13 14:01:28,114 INFO L300 stractBuchiCegarLoop]: Hoare is None [2024-11-13 14:01:28,115 INFO L301 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-13 14:01:28,115 INFO L302 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-13 14:01:28,115 INFO L303 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-13 14:01:28,115 INFO L304 stractBuchiCegarLoop]: Difference is false [2024-11-13 14:01:28,116 INFO L305 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-13 14:01:28,117 INFO L309 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-13 14:01:28,123 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:28,138 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:01:28,138 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:01:28,138 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:01:28,144 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-13 14:01:28,144 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:01:28,144 INFO L331 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-13 14:01:28,144 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:28,145 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:01:28,145 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:01:28,145 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:01:28,146 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-13 14:01:28,146 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:01:28,154 INFO L745 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 8#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_~y1~0#1, main_~y2~0#1;havoc main_~y1~0#1;havoc main_~y2~0#1;havoc main_#t~nondet0#1;main_~y1~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y2~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 3#L18true assume main_~y1~0#1 > 0 && main_~y2~0#1 > 0; 6#L20-2true [2024-11-13 14:01:28,155 INFO L747 eck$LassoCheckResult]: Loop: 6#L20-2true assume !!(main_~y1~0#1 != main_~y2~0#1); 9#L20true assume main_~y1~0#1 > main_~y2~0#1;main_~y1~0#1 := main_~y1~0#1 - main_~y2~0#1; 6#L20-2true [2024-11-13 14:01:28,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:28,162 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2024-11-13 14:01:28,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:28,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896655811] [2024-11-13 14:01:28,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:28,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:28,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:28,261 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:28,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:28,281 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:28,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:28,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1380, now seen corresponding path program 1 times [2024-11-13 14:01:28,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:28,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915485368] [2024-11-13 14:01:28,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:28,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:28,295 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:28,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:28,300 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:28,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:28,302 INFO L85 PathProgramCache]: Analyzing trace with hash 28693957, now seen corresponding path program 1 times [2024-11-13 14:01:28,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:28,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636383802] [2024-11-13 14:01:28,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:28,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:28,309 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:28,319 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:28,461 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:01:28,462 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:01:28,462 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:01:28,462 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:01:28,462 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-13 14:01:28,463 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:28,463 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:01:28,463 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:01:28,463 INFO L132 ssoRankerPreferences]: Filename of dumped script: BradleyMannaSipma-CAV2005-Fig1.c_Iteration1_Lasso [2024-11-13 14:01:28,463 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:01:28,463 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:01:28,494 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:28,513 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:28,520 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:28,560 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:28,568 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:28,574 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:28,689 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:01:28,689 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-13 14:01:28,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:28,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:28,696 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:28,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-13 14:01:28,699 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 14:01:28,699 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:01:28,734 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 14:01:28,735 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 14:01:28,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-13 14:01:28,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:28,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:28,760 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:28,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-13 14:01:28,764 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 14:01:28,764 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:01:28,784 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 14:01:28,784 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 14:01:28,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-13 14:01:28,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:28,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:28,807 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:28,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-13 14:01:28,811 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 14:01:28,811 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:01:28,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-13 14:01:28,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:28,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:28,876 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:28,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-13 14:01:28,879 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 14:01:28,879 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:01:29,064 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-13 14:01:29,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-13 14:01:29,069 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:01:29,069 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:01:29,069 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:01:29,069 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:01:29,069 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 14:01:29,069 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:29,069 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:01:29,069 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:01:29,069 INFO L132 ssoRankerPreferences]: Filename of dumped script: BradleyMannaSipma-CAV2005-Fig1.c_Iteration1_Lasso [2024-11-13 14:01:29,069 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:01:29,069 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:01:29,072 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:29,078 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:29,107 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:29,115 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:29,122 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:29,130 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:29,219 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:01:29,224 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 14:01:29,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:29,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:29,228 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:29,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-13 14:01:29,233 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:29,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:29,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:29,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:29,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:29,265 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:29,267 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:29,282 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:29,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-13 14:01:29,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:29,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:29,309 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:29,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-13 14:01:29,313 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:29,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:29,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:29,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:29,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:29,337 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:29,337 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:29,349 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 14:01:29,361 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-11-13 14:01:29,364 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-13 14:01:29,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:29,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:29,369 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:29,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-13 14:01:29,372 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 14:01:29,393 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 2. [2024-11-13 14:01:29,394 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 14:01:29,395 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y1~0#1) = 1*ULTIMATE.start_main_~y1~0#1 Supporting invariants [2*ULTIMATE.start_main_~y1~0#1 - 1 >= 0, 1*ULTIMATE.start_main_~y2~0#1 - 1 >= 0] [2024-11-13 14:01:29,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-13 14:01:29,428 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2024-11-13 14:01:29,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:29,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:29,497 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 14:01:29,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:29,520 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 14:01:29,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:29,551 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 14:01:29,587 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-13 14:01:29,589 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:29,680 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 22 states and 29 transitions. Complement of second has 6 states. [2024-11-13 14:01:29,682 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 14:01:29,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:29,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-11-13 14:01:29,704 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 3 letters. Loop has 2 letters. [2024-11-13 14:01:29,705 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:29,705 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-13 14:01:29,705 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:29,705 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 3 letters. Loop has 4 letters. [2024-11-13 14:01:29,706 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:29,707 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 29 transitions. [2024-11-13 14:01:29,712 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:01:29,716 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 9 states and 12 transitions. [2024-11-13 14:01:29,718 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-11-13 14:01:29,718 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-11-13 14:01:29,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2024-11-13 14:01:29,719 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:01:29,719 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-11-13 14:01:29,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2024-11-13 14:01:29,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-13 14:01:29,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:29,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2024-11-13 14:01:29,750 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-11-13 14:01:29,750 INFO L424 stractBuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-11-13 14:01:29,750 INFO L331 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-13 14:01:29,750 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. [2024-11-13 14:01:29,752 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:01:29,752 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:01:29,752 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:01:29,753 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-13 14:01:29,753 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:01:29,753 INFO L745 eck$LassoCheckResult]: Stem: 89#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 90#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~y1~0#1, main_~y2~0#1;havoc main_~y1~0#1;havoc main_~y2~0#1;havoc main_#t~nondet0#1;main_~y1~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y2~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 82#L18 assume main_~y1~0#1 > 0 && main_~y2~0#1 > 0; 83#L20-2 assume !!(main_~y1~0#1 != main_~y2~0#1); 88#L20 assume !(main_~y1~0#1 > main_~y2~0#1);main_~y2~0#1 := main_~y2~0#1 - main_~y1~0#1; 84#L20-2 [2024-11-13 14:01:29,753 INFO L747 eck$LassoCheckResult]: Loop: 84#L20-2 assume !!(main_~y1~0#1 != main_~y2~0#1); 85#L20 assume main_~y1~0#1 > main_~y2~0#1;main_~y1~0#1 := main_~y1~0#1 - main_~y2~0#1; 84#L20-2 [2024-11-13 14:01:29,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:29,757 INFO L85 PathProgramCache]: Analyzing trace with hash 28693959, now seen corresponding path program 1 times [2024-11-13 14:01:29,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:29,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075165898] [2024-11-13 14:01:29,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:29,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:29,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:29,768 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:29,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:29,779 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:29,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:29,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1380, now seen corresponding path program 2 times [2024-11-13 14:01:29,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:29,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485433741] [2024-11-13 14:01:29,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:29,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:29,789 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:29,798 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:29,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:29,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1805091242, now seen corresponding path program 1 times [2024-11-13 14:01:29,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:29,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574614034] [2024-11-13 14:01:29,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:29,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:29,816 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:29,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:29,827 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:29,952 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:01:29,953 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:01:29,953 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:01:29,953 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:01:29,953 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-13 14:01:29,953 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:29,953 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:01:29,953 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:01:29,954 INFO L132 ssoRankerPreferences]: Filename of dumped script: BradleyMannaSipma-CAV2005-Fig1.c_Iteration2_Lasso [2024-11-13 14:01:29,954 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:01:29,954 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:01:29,956 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:29,965 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:30,014 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:30,022 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:30,029 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:30,037 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:30,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-13 14:01:30,142 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:01:30,142 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-13 14:01:30,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:30,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:30,146 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:30,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-13 14:01:30,150 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 14:01:30,150 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:01:30,184 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 14:01:30,184 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 14:01:30,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-13 14:01:30,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:30,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:30,209 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:30,212 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 14:01:30,213 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:01:30,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-13 14:01:30,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-13 14:01:30,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:30,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:30,271 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:30,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-13 14:01:30,276 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 14:01:30,276 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:01:30,403 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-13 14:01:30,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-13 14:01:30,407 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:01:30,407 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:01:30,407 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:01:30,407 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:01:30,407 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 14:01:30,407 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:30,407 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:01:30,407 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:01:30,407 INFO L132 ssoRankerPreferences]: Filename of dumped script: BradleyMannaSipma-CAV2005-Fig1.c_Iteration2_Lasso [2024-11-13 14:01:30,407 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:01:30,407 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:01:30,409 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:30,417 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:30,421 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:30,425 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:30,430 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:30,433 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:30,545 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:01:30,545 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 14:01:30,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:30,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:30,549 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:30,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-13 14:01:30,552 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:30,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:30,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:30,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:30,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:30,574 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:30,575 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:30,582 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:30,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-13 14:01:30,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:30,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:30,605 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:30,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-13 14:01:30,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:30,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:30,625 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:30,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:30,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:30,625 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:30,626 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:30,626 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:30,628 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:30,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-13 14:01:30,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:30,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:30,651 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:30,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-13 14:01:30,654 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:30,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:30,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:30,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:30,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:30,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:30,667 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:30,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:30,674 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:30,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-13 14:01:30,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:30,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:30,698 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:30,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-13 14:01:30,702 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:30,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:30,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:30,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:30,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:30,718 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:30,718 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:30,724 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:30,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-13 14:01:30,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:30,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:30,747 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:30,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-13 14:01:30,751 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:30,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:30,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:30,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:30,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:30,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:30,766 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:30,766 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:30,770 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:30,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-13 14:01:30,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:30,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:30,793 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:30,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-13 14:01:30,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:30,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:30,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:30,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:30,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:30,812 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:30,812 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:30,821 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 14:01:30,832 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-13 14:01:30,832 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-13 14:01:30,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:30,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:30,835 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:30,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-13 14:01:30,838 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 14:01:30,856 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-13 14:01:30,856 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 14:01:30,856 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y1~0#1, ULTIMATE.start_main_~y2~0#1) = 1*ULTIMATE.start_main_~y1~0#1 - 1*ULTIMATE.start_main_~y2~0#1 Supporting invariants [1*ULTIMATE.start_main_~y2~0#1 - 1 >= 0] [2024-11-13 14:01:30,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-13 14:01:30,882 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2024-11-13 14:01:30,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:30,945 WARN L253 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 14:01:30,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:30,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:30,999 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 14:01:30,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:31,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:31,019 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2024-11-13 14:01:31,019 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 5 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 14:01:31,081 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 5. 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 13 states and 18 transitions. Complement of second has 6 states. [2024-11-13 14:01:31,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-13 14:01:31,083 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 14:01:31,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2024-11-13 14:01:31,083 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-13 14:01:31,083 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:31,083 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2024-11-13 14:01:31,084 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:31,084 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 5 letters. Loop has 4 letters. [2024-11-13 14:01:31,084 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:31,084 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 18 transitions. [2024-11-13 14:01:31,085 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:01:31,087 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 18 transitions. [2024-11-13 14:01:31,087 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-11-13 14:01:31,088 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-13 14:01:31,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2024-11-13 14:01:31,088 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:01:31,088 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2024-11-13 14:01:31,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2024-11-13 14:01:31,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-13 14:01:31,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:31,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2024-11-13 14:01:31,090 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2024-11-13 14:01:31,090 INFO L424 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2024-11-13 14:01:31,090 INFO L331 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-13 14:01:31,090 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2024-11-13 14:01:31,090 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 14:01:31,090 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:01:31,090 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:01:31,091 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1] [2024-11-13 14:01:31,091 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:01:31,091 INFO L745 eck$LassoCheckResult]: Stem: 163#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 164#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_~y1~0#1, main_~y2~0#1;havoc main_~y1~0#1;havoc main_~y2~0#1;havoc main_#t~nondet0#1;main_~y1~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y2~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 156#L18 assume main_~y1~0#1 > 0 && main_~y2~0#1 > 0; 157#L20-2 assume !!(main_~y1~0#1 != main_~y2~0#1); 162#L20 assume !(main_~y1~0#1 > main_~y2~0#1);main_~y2~0#1 := main_~y2~0#1 - main_~y1~0#1; 165#L20-2 assume !!(main_~y1~0#1 != main_~y2~0#1); 166#L20 assume !(main_~y1~0#1 > main_~y2~0#1);main_~y2~0#1 := main_~y2~0#1 - main_~y1~0#1; 158#L20-2 [2024-11-13 14:01:31,091 INFO L747 eck$LassoCheckResult]: Loop: 158#L20-2 assume !!(main_~y1~0#1 != main_~y2~0#1); 159#L20 assume main_~y1~0#1 > main_~y2~0#1;main_~y1~0#1 := main_~y1~0#1 - main_~y2~0#1; 158#L20-2 [2024-11-13 14:01:31,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:31,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1805091244, now seen corresponding path program 2 times [2024-11-13 14:01:31,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:31,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967383870] [2024-11-13 14:01:31,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:31,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:31,106 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:31,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:31,117 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:31,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:31,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1380, now seen corresponding path program 3 times [2024-11-13 14:01:31,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:31,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182032675] [2024-11-13 14:01:31,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:31,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:31,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:31,126 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:31,132 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:31,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:31,132 INFO L85 PathProgramCache]: Analyzing trace with hash -474101681, now seen corresponding path program 2 times [2024-11-13 14:01:31,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:31,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649672692] [2024-11-13 14:01:31,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:31,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:31,149 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:31,160 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:31,250 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:01:31,250 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:01:31,250 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:01:31,250 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:01:31,250 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-13 14:01:31,250 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:31,250 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:01:31,250 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:01:31,250 INFO L132 ssoRankerPreferences]: Filename of dumped script: BradleyMannaSipma-CAV2005-Fig1.c_Iteration3_Lasso [2024-11-13 14:01:31,250 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:01:31,250 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:01:31,252 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:31,270 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:31,274 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:31,277 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:31,282 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:31,285 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:31,377 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:01:31,377 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-13 14:01:31,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:31,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:31,381 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:31,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-13 14:01:31,384 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 14:01:31,384 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:01:31,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-13 14:01:31,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:31,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:31,434 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:31,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-13 14:01:31,436 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 14:01:31,436 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:01:31,600 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-13 14:01:31,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-13 14:01:31,604 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:01:31,604 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:01:31,604 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:01:31,604 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:01:31,604 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 14:01:31,604 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:31,604 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:01:31,604 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:01:31,604 INFO L132 ssoRankerPreferences]: Filename of dumped script: BradleyMannaSipma-CAV2005-Fig1.c_Iteration3_Lasso [2024-11-13 14:01:31,604 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:01:31,604 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:01:31,606 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:31,625 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:31,629 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:31,633 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:31,637 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:31,641 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:31,718 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:01:31,718 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 14:01:31,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:31,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:31,721 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:31,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-13 14:01:31,724 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:31,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:31,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:31,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:31,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:31,748 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:31,750 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:31,760 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 14:01:31,771 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-13 14:01:31,771 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-13 14:01:31,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:31,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:31,775 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:31,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-13 14:01:31,778 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 14:01:31,799 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-13 14:01:31,799 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 14:01:31,799 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y1~0#1, ULTIMATE.start_main_~y2~0#1) = 1*ULTIMATE.start_main_~y1~0#1 - 1*ULTIMATE.start_main_~y2~0#1 Supporting invariants [1*ULTIMATE.start_main_~y2~0#1 - 1 >= 0] [2024-11-13 14:01:31,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-13 14:01:31,827 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2024-11-13 14:01:31,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:31,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:31,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 14:01:31,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:31,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:31,940 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 14:01:31,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:31,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:31,958 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2024-11-13 14:01:31,958 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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 14:01:32,010 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) Result 15 states and 22 transitions. Complement of second has 6 states. [2024-11-13 14:01:32,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-13 14:01:32,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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 14:01:32,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2024-11-13 14:01:32,013 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2024-11-13 14:01:32,013 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:32,013 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:01:32,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:32,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:32,063 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 14:01:32,064 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:32,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:32,106 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 14:01:32,106 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:32,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:32,120 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 1 loop predicates [2024-11-13 14:01:32,121 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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 14:01:32,160 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) Result 15 states and 22 transitions. Complement of second has 6 states. [2024-11-13 14:01:32,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-13 14:01:32,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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 14:01:32,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2024-11-13 14:01:32,162 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2024-11-13 14:01:32,162 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:32,162 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:01:32,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:32,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:32,203 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 14:01:32,203 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:32,237 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 14:01:32,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:32,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:32,256 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2024-11-13 14:01:32,256 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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 14:01:32,300 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) Result 17 states and 25 transitions. Complement of second has 5 states. [2024-11-13 14:01:32,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-13 14:01:32,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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 14:01:32,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2024-11-13 14:01:32,302 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 7 letters. Loop has 2 letters. [2024-11-13 14:01:32,302 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:32,302 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 9 letters. Loop has 2 letters. [2024-11-13 14:01:32,302 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:32,303 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 7 letters. Loop has 4 letters. [2024-11-13 14:01:32,303 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:32,303 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 25 transitions. [2024-11-13 14:01:32,304 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-13 14:01:32,304 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 15 states and 21 transitions. [2024-11-13 14:01:32,304 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-11-13 14:01:32,305 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-13 14:01:32,305 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 21 transitions. [2024-11-13 14:01:32,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:01:32,305 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 21 transitions. [2024-11-13 14:01:32,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 21 transitions. [2024-11-13 14:01:32,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 7. [2024-11-13 14:01:32,306 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 14:01:32,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2024-11-13 14:01:32,306 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2024-11-13 14:01:32,306 INFO L424 stractBuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2024-11-13 14:01:32,306 INFO L331 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-13 14:01:32,307 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 9 transitions. [2024-11-13 14:01:32,307 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-13 14:01:32,307 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:01:32,307 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:01:32,307 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-13 14:01:32,307 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:01:32,308 INFO L745 eck$LassoCheckResult]: Stem: 350#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 351#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~y1~0#1, main_~y2~0#1;havoc main_~y1~0#1;havoc main_~y2~0#1;havoc main_#t~nondet0#1;main_~y1~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y2~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 345#L18 assume main_~y1~0#1 > 0 && main_~y2~0#1 > 0; 346#L20-2 [2024-11-13 14:01:32,308 INFO L747 eck$LassoCheckResult]: Loop: 346#L20-2 assume !!(main_~y1~0#1 != main_~y2~0#1); 348#L20 assume !(main_~y1~0#1 > main_~y2~0#1);main_~y2~0#1 := main_~y2~0#1 - main_~y1~0#1; 346#L20-2 [2024-11-13 14:01:32,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:32,308 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 2 times [2024-11-13 14:01:32,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:32,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179220226] [2024-11-13 14:01:32,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:32,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:32,312 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:32,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:32,315 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:32,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:32,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1382, now seen corresponding path program 1 times [2024-11-13 14:01:32,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:32,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556714370] [2024-11-13 14:01:32,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:32,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:32,321 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:32,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:32,324 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:32,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:32,325 INFO L85 PathProgramCache]: Analyzing trace with hash 28693959, now seen corresponding path program 3 times [2024-11-13 14:01:32,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:32,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799185263] [2024-11-13 14:01:32,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:32,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:32,331 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:32,348 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:32,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-11-13 14:01:32,429 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:01:32,429 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:01:32,430 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:01:32,430 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:01:32,430 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-13 14:01:32,430 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:32,430 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:01:32,430 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:01:32,430 INFO L132 ssoRankerPreferences]: Filename of dumped script: BradleyMannaSipma-CAV2005-Fig1.c_Iteration4_Lasso [2024-11-13 14:01:32,430 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:01:32,430 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:01:32,432 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:32,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-11-13 14:01:32,437 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:32,440 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:32,442 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:32,444 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:32,447 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:32,525 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:01:32,525 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-13 14:01:32,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:32,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:32,530 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:32,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-13 14:01:32,533 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 14:01:32,533 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:01:32,549 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 14:01:32,550 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 14:01:32,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-13 14:01:32,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:32,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:32,565 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:32,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-13 14:01:32,568 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 14:01:32,568 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:01:32,590 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 14:01:32,590 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_7=0} Honda state: {v_rep~unnamed0~0~false_7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 14:01:32,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-11-13 14:01:32,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:32,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:32,607 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:32,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-13 14:01:32,609 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 14:01:32,609 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:01:32,624 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 14:01:32,624 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 14:01:32,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-13 14:01:32,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:32,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:32,640 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:32,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-13 14:01:32,641 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 14:01:32,641 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:01:32,656 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 14:01:32,656 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 14:01:32,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-13 14:01:32,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:32,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:32,672 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:32,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-13 14:01:32,676 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 14:01:32,676 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:01:32,698 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 14:01:32,698 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 14:01:32,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-11-13 14:01:32,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:32,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:32,714 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:32,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-13 14:01:32,716 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 14:01:32,716 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:01:32,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-13 14:01:32,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:32,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:32,753 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:32,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-13 14:01:32,755 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 14:01:32,755 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:01:32,883 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-13 14:01:32,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-11-13 14:01:32,887 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:01:32,887 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:01:32,887 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:01:32,887 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:01:32,887 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 14:01:32,887 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:32,887 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:01:32,887 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:01:32,887 INFO L132 ssoRankerPreferences]: Filename of dumped script: BradleyMannaSipma-CAV2005-Fig1.c_Iteration4_Lasso [2024-11-13 14:01:32,887 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:01:32,887 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:01:32,890 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:32,896 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:32,900 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:32,919 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:32,925 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:32,928 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:32,992 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:01:32,992 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 14:01:32,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:32,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:32,994 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:32,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-13 14:01:32,996 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:33,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:33,013 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:33,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:33,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:33,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:33,014 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:33,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:33,016 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:33,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-11-13 14:01:33,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:33,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:33,039 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:33,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-13 14:01:33,042 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:33,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:33,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:33,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:33,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:33,056 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:33,057 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:33,061 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:33,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-11-13 14:01:33,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:33,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:33,079 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:33,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-13 14:01:33,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:33,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:33,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:33,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:33,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:33,097 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:33,098 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:33,105 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 14:01:33,112 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2024-11-13 14:01:33,113 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-13 14:01:33,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:33,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:33,115 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:33,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-13 14:01:33,117 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 14:01:33,134 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-13 14:01:33,134 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 14:01:33,134 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y2~0#1, ULTIMATE.start_main_~y1~0#1) = 1*ULTIMATE.start_main_~y2~0#1 - 1*ULTIMATE.start_main_~y1~0#1 Supporting invariants [1*ULTIMATE.start_main_~y1~0#1 - 1 >= 0] [2024-11-13 14:01:33,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-11-13 14:01:33,152 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2024-11-13 14:01:33,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:33,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:33,186 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 14:01:33,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:33,195 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 14:01:33,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:33,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:33,239 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-13 14:01:33,239 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:33,289 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 13 states and 19 transitions. Complement of second has 5 states. [2024-11-13 14:01:33,290 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 14:01:33,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:33,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2024-11-13 14:01:33,291 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 3 letters. Loop has 2 letters. [2024-11-13 14:01:33,291 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:33,291 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-13 14:01:33,291 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:33,291 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 3 letters. Loop has 4 letters. [2024-11-13 14:01:33,291 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:33,292 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 19 transitions. [2024-11-13 14:01:33,292 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-13 14:01:33,293 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 11 states and 15 transitions. [2024-11-13 14:01:33,293 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-11-13 14:01:33,293 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-11-13 14:01:33,293 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 15 transitions. [2024-11-13 14:01:33,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:01:33,293 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 15 transitions. [2024-11-13 14:01:33,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 15 transitions. [2024-11-13 14:01:33,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2024-11-13 14:01:33,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:33,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 14 transitions. [2024-11-13 14:01:33,297 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 14 transitions. [2024-11-13 14:01:33,297 INFO L424 stractBuchiCegarLoop]: Abstraction has 10 states and 14 transitions. [2024-11-13 14:01:33,298 INFO L331 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-13 14:01:33,298 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 14 transitions. [2024-11-13 14:01:33,298 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-13 14:01:33,298 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:01:33,298 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:01:33,300 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1] [2024-11-13 14:01:33,300 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 14:01:33,300 INFO L745 eck$LassoCheckResult]: Stem: 414#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 415#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_~y1~0#1, main_~y2~0#1;havoc main_~y1~0#1;havoc main_~y2~0#1;havoc main_#t~nondet0#1;main_~y1~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y2~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 409#L18 assume main_~y1~0#1 > 0 && main_~y2~0#1 > 0; 410#L20-2 assume !!(main_~y1~0#1 != main_~y2~0#1); 411#L20 assume main_~y1~0#1 > main_~y2~0#1;main_~y1~0#1 := main_~y1~0#1 - main_~y2~0#1; 418#L20-2 assume !!(main_~y1~0#1 != main_~y2~0#1); 416#L20 [2024-11-13 14:01:33,300 INFO L747 eck$LassoCheckResult]: Loop: 416#L20 assume !(main_~y1~0#1 > main_~y2~0#1);main_~y2~0#1 := main_~y2~0#1 - main_~y1~0#1; 417#L20-2 assume !!(main_~y1~0#1 != main_~y2~0#1); 416#L20 [2024-11-13 14:01:33,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:33,300 INFO L85 PathProgramCache]: Analyzing trace with hash 889512680, now seen corresponding path program 2 times [2024-11-13 14:01:33,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:33,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017727464] [2024-11-13 14:01:33,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:33,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:33,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:33,310 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:33,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:33,318 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:33,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:33,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1532, now seen corresponding path program 2 times [2024-11-13 14:01:33,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:33,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615151641] [2024-11-13 14:01:33,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:33,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:33,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:33,328 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:33,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:33,332 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:33,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:33,336 INFO L85 PathProgramCache]: Analyzing trace with hash 123194147, now seen corresponding path program 3 times [2024-11-13 14:01:33,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:33,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146378744] [2024-11-13 14:01:33,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:33,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:33,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:33,346 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:33,357 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:33,447 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:01:33,447 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:01:33,447 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:01:33,447 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:01:33,448 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-13 14:01:33,448 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:33,448 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:01:33,448 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:01:33,448 INFO L132 ssoRankerPreferences]: Filename of dumped script: BradleyMannaSipma-CAV2005-Fig1.c_Iteration5_Lasso [2024-11-13 14:01:33,448 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:01:33,448 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:01:33,449 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:33,453 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:33,457 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:33,460 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:33,482 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:33,485 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:33,591 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:01:33,591 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-13 14:01:33,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:33,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:33,595 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:33,598 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 14:01:33,598 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:01:33,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-13 14:01:33,616 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 14:01:33,617 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 14:01:33,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-11-13 14:01:33,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:33,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:33,640 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:33,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-13 14:01:33,642 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 14:01:33,642 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:01:33,663 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 14:01:33,663 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_9=0} Honda state: {v_rep~unnamed0~0~false_9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 14:01:33,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-11-13 14:01:33,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:33,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:33,679 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:33,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-13 14:01:33,681 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 14:01:33,681 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:01:33,695 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 14:01:33,695 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 14:01:33,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-11-13 14:01:33,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:33,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:33,710 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:33,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-13 14:01:33,712 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 14:01:33,712 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:01:33,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-11-13 14:01:33,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:33,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:33,753 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:33,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-13 14:01:33,754 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 14:01:33,755 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:01:34,048 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-13 14:01:34,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2024-11-13 14:01:34,051 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:01:34,051 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:01:34,052 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:01:34,052 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:01:34,052 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 14:01:34,052 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:34,052 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:01:34,052 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:01:34,052 INFO L132 ssoRankerPreferences]: Filename of dumped script: BradleyMannaSipma-CAV2005-Fig1.c_Iteration5_Lasso [2024-11-13 14:01:34,052 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:01:34,052 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:01:34,053 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:34,056 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:34,060 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:34,063 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:34,065 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:34,068 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:34,181 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:01:34,182 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 14:01:34,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:34,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:34,185 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:34,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-13 14:01:34,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:34,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:34,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:34,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:34,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:34,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:34,206 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:34,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:34,208 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:34,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2024-11-13 14:01:34,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:34,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:34,233 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:34,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-13 14:01:34,238 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:34,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:34,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:34,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:34,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:34,257 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:34,257 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:34,262 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:34,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2024-11-13 14:01:34,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:34,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:34,287 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:34,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-11-13 14:01:34,290 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:34,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:34,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:34,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:34,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:34,313 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:34,313 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:34,321 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:34,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-11-13 14:01:34,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:34,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:34,344 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:34,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-11-13 14:01:34,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:34,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:34,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:34,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:34,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:34,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:34,367 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:34,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:34,371 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:34,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2024-11-13 14:01:34,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:34,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:34,395 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:34,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-11-13 14:01:34,399 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:34,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:34,416 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:34,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:34,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:34,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:34,417 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:01:34,417 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:34,419 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:34,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2024-11-13 14:01:34,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:34,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:34,443 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:34,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-11-13 14:01:34,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:34,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:34,466 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-11-13 14:01:34,466 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-13 14:01:34,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:34,479 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2024-11-13 14:01:34,479 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-13 14:01:34,511 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 14:01:34,549 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2024-11-13 14:01:34,549 INFO L444 ModelExtractionUtils]: 5 out of 16 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-11-13 14:01:34,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:34,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:34,552 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:34,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-11-13 14:01:34,556 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 14:01:34,580 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 4. [2024-11-13 14:01:34,580 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 14:01:34,580 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y1~0#1, ULTIMATE.start_main_~y2~0#1) = -2*ULTIMATE.start_main_~y1~0#1 + 3*ULTIMATE.start_main_~y2~0#1 Supporting invariants [1*ULTIMATE.start_main_~y1~0#1 - 1 >= 0, 1*ULTIMATE.start_main_~y2~0#1 >= 0] [2024-11-13 14:01:34,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2024-11-13 14:01:34,611 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2024-11-13 14:01:34,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:34,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:34,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 14:01:34,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:34,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:34,707 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 14:01:34,708 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:34,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:34,746 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2024-11-13 14:01:34,747 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 14 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 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 14:01:34,790 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 14 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 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) Result 15 states and 19 transitions. Complement of second has 6 states. [2024-11-13 14:01:34,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-13 14:01:34,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 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 14:01:34,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 7 transitions. [2024-11-13 14:01:34,796 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2024-11-13 14:01:34,796 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:34,796 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:01:34,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:34,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 14:01:34,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:34,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:34,865 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 14:01:34,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:34,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:34,903 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2024-11-13 14:01:34,903 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 14 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 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 14:01:34,957 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 14 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 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) Result 12 states and 16 transitions. Complement of second has 6 states. [2024-11-13 14:01:34,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-13 14:01:34,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 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 14:01:34,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions. [2024-11-13 14:01:34,959 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 6 letters. Loop has 2 letters. [2024-11-13 14:01:34,959 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:34,960 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 14:01:34,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:34,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:34,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 14:01:34,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:35,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-11-13 14:01:35,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2024-11-13 14:01:35,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:35,085 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 14:01:35,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:35,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:01:35,121 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2024-11-13 14:01:35,121 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 14 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 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 14:01:35,164 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 14 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 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) Result 18 states and 22 transitions. Complement of second has 5 states. [2024-11-13 14:01:35,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-13 14:01:35,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 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 14:01:35,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2024-11-13 14:01:35,167 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 6 letters. Loop has 2 letters. [2024-11-13 14:01:35,167 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:35,167 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 8 letters. Loop has 2 letters. [2024-11-13 14:01:35,167 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:35,167 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-13 14:01:35,168 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:35,168 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 22 transitions. [2024-11-13 14:01:35,169 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-13 14:01:35,169 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 14 states and 18 transitions. [2024-11-13 14:01:35,169 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-11-13 14:01:35,172 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2024-11-13 14:01:35,172 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 18 transitions. [2024-11-13 14:01:35,172 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 14:01:35,172 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2024-11-13 14:01:35,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 18 transitions. [2024-11-13 14:01:35,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 9. [2024-11-13 14:01:35,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:35,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2024-11-13 14:01:35,176 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-11-13 14:01:35,176 INFO L424 stractBuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-11-13 14:01:35,176 INFO L331 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-13 14:01:35,176 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. [2024-11-13 14:01:35,176 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-13 14:01:35,176 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:01:35,177 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:01:35,177 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1] [2024-11-13 14:01:35,177 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1] [2024-11-13 14:01:35,177 INFO L745 eck$LassoCheckResult]: Stem: 593#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 594#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~y1~0#1, main_~y2~0#1;havoc main_~y1~0#1;havoc main_~y2~0#1;havoc main_#t~nondet0#1;main_~y1~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y2~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 588#L18 assume main_~y1~0#1 > 0 && main_~y2~0#1 > 0; 589#L20-2 assume !!(main_~y1~0#1 != main_~y2~0#1); 590#L20 assume main_~y1~0#1 > main_~y2~0#1;main_~y1~0#1 := main_~y1~0#1 - main_~y2~0#1; 596#L20-2 assume !!(main_~y1~0#1 != main_~y2~0#1); 595#L20 [2024-11-13 14:01:35,177 INFO L747 eck$LassoCheckResult]: Loop: 595#L20 assume !(main_~y1~0#1 > main_~y2~0#1);main_~y2~0#1 := main_~y2~0#1 - main_~y1~0#1; 592#L20-2 assume !!(main_~y1~0#1 != main_~y2~0#1); 590#L20 assume main_~y1~0#1 > main_~y2~0#1;main_~y1~0#1 := main_~y1~0#1 - main_~y2~0#1; 596#L20-2 assume !!(main_~y1~0#1 != main_~y2~0#1); 595#L20 [2024-11-13 14:01:35,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:35,178 INFO L85 PathProgramCache]: Analyzing trace with hash 889512680, now seen corresponding path program 3 times [2024-11-13 14:01:35,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:35,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440116333] [2024-11-13 14:01:35,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:35,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:35,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:35,191 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:35,195 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:35,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:35,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1472761, now seen corresponding path program 1 times [2024-11-13 14:01:35,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:35,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275762371] [2024-11-13 14:01:35,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:35,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:35,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:35,201 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:35,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:35,205 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:35,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:35,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1869508512, now seen corresponding path program 4 times [2024-11-13 14:01:35,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:01:35,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178080426] [2024-11-13 14:01:35,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:01:35,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:01:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:35,214 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:01:35,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:01:35,224 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:01:35,283 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:01:35,283 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:01:35,283 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:01:35,283 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:01:35,283 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-13 14:01:35,284 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:35,284 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:01:35,284 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:01:35,284 INFO L132 ssoRankerPreferences]: Filename of dumped script: BradleyMannaSipma-CAV2005-Fig1.c_Iteration6_Loop [2024-11-13 14:01:35,284 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:01:35,284 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:01:35,285 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:35,294 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:35,298 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:35,436 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:01:35,437 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-13 14:01:35,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:35,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:35,439 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:35,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-11-13 14:01:35,444 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 14:01:35,444 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:01:35,473 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 14:01:35,473 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_11=1} Honda state: {v_rep~unnamed0~0~true_11=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 14:01:35,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2024-11-13 14:01:35,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:35,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:35,496 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:35,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-11-13 14:01:35,498 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 14:01:35,499 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:01:35,526 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 14:01:35,527 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_11=0} Honda state: {v_rep~unnamed0~0~false_11=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 14:01:35,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2024-11-13 14:01:35,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:35,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:35,550 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:35,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-11-13 14:01:35,553 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 14:01:35,553 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:01:35,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2024-11-13 14:01:35,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:35,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:35,612 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:35,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-11-13 14:01:35,615 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 14:01:35,616 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 14:01:35,998 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-13 14:01:36,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2024-11-13 14:01:36,003 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:01:36,003 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:01:36,003 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:01:36,003 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:01:36,003 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 14:01:36,003 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:36,003 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:01:36,003 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:01:36,003 INFO L132 ssoRankerPreferences]: Filename of dumped script: BradleyMannaSipma-CAV2005-Fig1.c_Iteration6_Loop [2024-11-13 14:01:36,003 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:01:36,003 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:01:36,005 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:36,009 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:36,027 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:01:36,147 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:01:36,148 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 14:01:36,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:36,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:36,150 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:36,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-11-13 14:01:36,156 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:36,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:36,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:36,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:01:36,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:36,176 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:01:36,176 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:01:36,181 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:01:36,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2024-11-13 14:01:36,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:36,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:36,204 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:36,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-11-13 14:01:36,208 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:01:36,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:01:36,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:01:36,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:01:36,228 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-13 14:01:36,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:01:36,231 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-13 14:01:36,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:01:36,238 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 14:01:36,244 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-13 14:01:36,244 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-13 14:01:36,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:01:36,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:01:36,247 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:01:36,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-11-13 14:01:36,252 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 14:01:36,252 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-13 14:01:36,252 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 14:01:36,252 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y2~0#1) = 1*ULTIMATE.start_main_~y2~0#1 Supporting invariants [] [2024-11-13 14:01:36,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2024-11-13 14:01:36,277 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-13 14:01:36,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:01:36,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:36,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 14:01:36,301 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:36,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:01:36,317 WARN L253 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 14:01:36,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:36,363 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 14:01:36,364 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 14:01:36,364 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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 14:01:36,393 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 4. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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) Result 28 states and 42 transitions. Complement of second has 6 states. [2024-11-13 14:01:36,393 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 14:01:36,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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 14:01:36,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-11-13 14:01:36,395 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-13 14:01:36,395 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:36,395 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 10 letters. Loop has 4 letters. [2024-11-13 14:01:36,396 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:36,396 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 6 letters. Loop has 8 letters. [2024-11-13 14:01:36,396 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:01:36,396 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 42 transitions. [2024-11-13 14:01:36,397 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 14:01:36,397 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 0 states and 0 transitions. [2024-11-13 14:01:36,398 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-13 14:01:36,398 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-13 14:01:36,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-13 14:01:36,398 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 14:01:36,398 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 14:01:36,398 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 14:01:36,398 INFO L424 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 14:01:36,398 INFO L331 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-13 14:01:36,398 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-13 14:01:36,399 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 14:01:36,399 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-13 14:01:36,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 02:01:36 BoogieIcfgContainer [2024-11-13 14:01:36,412 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-13 14:01:36,413 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:01:36,413 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:01:36,413 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:01:36,414 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:01:28" (3/4) ... [2024-11-13 14:01:36,416 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 14:01:36,417 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:01:36,418 INFO L158 Benchmark]: Toolchain (without parser) took 9050.69ms. Allocated memory was 427.8MB in the beginning and 142.6MB in the end (delta: -285.2MB). Free memory was 405.0MB in the beginning and 76.2MB in the end (delta: 328.8MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2024-11-13 14:01:36,419 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 142.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:01:36,419 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.03ms. Allocated memory was 427.8MB in the beginning and 142.6MB in the end (delta: -285.2MB). Free memory was 404.7MB in the beginning and 109.9MB in the end (delta: 294.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:01:36,420 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.50ms. Allocated memory is still 142.6MB. Free memory was 109.6MB in the beginning and 108.8MB in the end (delta: 804.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:01:36,420 INFO L158 Benchmark]: Boogie Preprocessor took 33.80ms. Allocated memory is still 142.6MB. Free memory was 108.8MB in the beginning and 108.0MB in the end (delta: 810.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:01:36,420 INFO L158 Benchmark]: RCFGBuilder took 305.58ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 99.1MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:01:36,421 INFO L158 Benchmark]: BuchiAutomizer took 8393.90ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 76.2MB in the end (delta: 22.6MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2024-11-13 14:01:36,421 INFO L158 Benchmark]: Witness Printer took 4.79ms. Allocated memory is still 142.6MB. Free memory was 76.2MB in the beginning and 76.2MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:01:36,423 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 142.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.03ms. Allocated memory was 427.8MB in the beginning and 142.6MB in the end (delta: -285.2MB). Free memory was 404.7MB in the beginning and 109.9MB in the end (delta: 294.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.50ms. Allocated memory is still 142.6MB. Free memory was 109.6MB in the beginning and 108.8MB in the end (delta: 804.9kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.80ms. Allocated memory is still 142.6MB. Free memory was 108.8MB in the beginning and 108.0MB in the end (delta: 810.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 305.58ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 99.1MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 8393.90ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 76.2MB in the end (delta: 22.6MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. * Witness Printer took 4.79ms. Allocated memory is still 142.6MB. Free memory was 76.2MB in the beginning and 76.2MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (0 trivial, 4 deterministic, 2 nondeterministic). One deterministic module has affine ranking function y1 and consists of 4 locations. One deterministic module has affine ranking function (y1 + ((long) -1 * y2)) and consists of 4 locations. One deterministic module has affine ranking function (y2 + ((long) -1 * y1)) and consists of 3 locations. One deterministic module has affine ranking function y2 and consists of 4 locations. One nondeterministic module has affine ranking function (y1 + ((long) -1 * y2)) and consists of 4 locations. One nondeterministic module has affine ranking function (((long) -2 * y1) + ((long) 3 * y2)) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.3s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 6.4s. Construction of modules took 0.1s. Büchi inclusion checks took 1.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 14 StatesRemovedByMinimization, 3 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 [4, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/2 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 62 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 61 mSDsluCounter, 46 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 100 IncrementalHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 39 mSDtfsCounter, 100 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso5 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax155 hnf100 lsp64 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq149 hnf96 smp86 dnf120 smp96 tf100 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 139ms VariablesStem: 2 VariablesLoop: 3 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 13 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 6 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 2.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-13 14:01:36,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2024-11-13 14:01:36,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ee9c59a-cbf7-473d-9d1b-b0c3f83d9440/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