./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Singapore-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Singapore-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 14352272474fcd72367ebff6d0f1f20f37763259fc59dc19b61cd8b29efae381 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:46:36,664 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:46:36,781 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-28 02:46:36,786 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:46:36,787 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:46:36,813 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:46:36,814 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:46:36,814 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:46:36,814 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:46:36,814 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:46:36,815 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:46:36,815 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:46:36,815 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:46:36,815 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 02:46:36,816 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 02:46:36,816 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 02:46:36,816 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 02:46:36,816 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 02:46:36,816 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 02:46:36,816 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:46:36,817 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 02:46:36,817 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:46:36,817 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:46:36,817 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 02:46:36,817 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 02:46:36,817 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 02:46:36,817 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:46:36,817 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:46:36,818 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 02:46:36,818 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:46:36,818 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:46:36,818 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:46:36,818 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:46:36,818 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:46:36,818 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 02:46:36,819 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 02:46:36,819 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_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14352272474fcd72367ebff6d0f1f20f37763259fc59dc19b61cd8b29efae381 [2024-11-28 02:46:37,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:46:37,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:46:37,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:46:37,175 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:46:37,175 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:46:37,178 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-crafted/Singapore-2.c [2024-11-28 02:46:40,195 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/data/ced4e0393/77930b2b7afc4d7f8318c72e473bcf91/FLAGbdc9a4ad5 [2024-11-28 02:46:40,438 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:46:40,439 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/sv-benchmarks/c/termination-crafted/Singapore-2.c [2024-11-28 02:46:40,457 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/data/ced4e0393/77930b2b7afc4d7f8318c72e473bcf91/FLAGbdc9a4ad5 [2024-11-28 02:46:40,494 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/data/ced4e0393/77930b2b7afc4d7f8318c72e473bcf91 [2024-11-28 02:46:40,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:46:40,499 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:46:40,501 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:46:40,501 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:46:40,506 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:46:40,507 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:46:40" (1/1) ... [2024-11-28 02:46:40,511 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3511018f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:40, skipping insertion in model container [2024-11-28 02:46:40,511 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:46:40" (1/1) ... [2024-11-28 02:46:40,528 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:46:40,720 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:46:40,726 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:46:40,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:46:40,757 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:46:40,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:40 WrapperNode [2024-11-28 02:46:40,758 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:46:40,759 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:46:40,759 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:46:40,760 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:46:40,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:40" (1/1) ... [2024-11-28 02:46:40,780 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:40" (1/1) ... [2024-11-28 02:46:40,796 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2024-11-28 02:46:40,797 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:46:40,797 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:46:40,798 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:46:40,798 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:46:40,807 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:40" (1/1) ... [2024-11-28 02:46:40,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:40" (1/1) ... [2024-11-28 02:46:40,810 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:40" (1/1) ... [2024-11-28 02:46:40,815 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-28 02:46:40,815 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:40" (1/1) ... [2024-11-28 02:46:40,815 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:40" (1/1) ... [2024-11-28 02:46:40,817 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:40" (1/1) ... [2024-11-28 02:46:40,818 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:40" (1/1) ... [2024-11-28 02:46:40,821 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:40" (1/1) ... [2024-11-28 02:46:40,822 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:40" (1/1) ... [2024-11-28 02:46:40,823 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:40" (1/1) ... [2024-11-28 02:46:40,824 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:46:40,825 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:46:40,825 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:46:40,825 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:46:40,826 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:40" (1/1) ... [2024-11-28 02:46:40,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:46:40,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:46:40,867 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:46:40,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 02:46:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:46:40,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:46:40,966 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:46:40,968 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:46:41,041 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-28 02:46:41,041 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:46:41,050 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:46:41,050 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 02:46:41,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:46:41 BoogieIcfgContainer [2024-11-28 02:46:41,051 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:46:41,052 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 02:46:41,052 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 02:46:41,058 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 02:46:41,059 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 02:46:41,059 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 02:46:40" (1/3) ... [2024-11-28 02:46:41,060 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@57b7edb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:46:41, skipping insertion in model container [2024-11-28 02:46:41,060 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 02:46:41,060 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:40" (2/3) ... [2024-11-28 02:46:41,061 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@57b7edb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:46:41, skipping insertion in model container [2024-11-28 02:46:41,061 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 02:46:41,061 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:46:41" (3/3) ... [2024-11-28 02:46:41,062 INFO L363 chiAutomizerObserver]: Analyzing ICFG Singapore-2.c [2024-11-28 02:46:41,131 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 02:46:41,131 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 02:46:41,132 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 02:46:41,132 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 02:46:41,132 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 02:46:41,132 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 02:46:41,133 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 02:46:41,133 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 02:46:41,140 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:46:41,157 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-28 02:46:41,158 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:46:41,159 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:46:41,164 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-28 02:46:41,165 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 02:46:41,165 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 02:46:41,165 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:46:41,166 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-28 02:46:41,166 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:46:41,166 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:46:41,167 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-28 02:46:41,167 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 02:46:41,175 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume !!(-65535 <= main_~x~0#1 && main_~x~0#1 <= 65535);" "assume !!(-65535 <= main_~y~0#1 && main_~y~0#1 <= 65535);" "assume main_~x~0#1 + main_~y~0#1 <= 0;" [2024-11-28 02:46:41,175 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~x~0#1 > 0;" "main_~x~0#1 := main_~x~0#1 + main_~x~0#1 + main_~y~0#1;main_~y~0#1 := main_~y~0#1 - 1;" [2024-11-28 02:46:41,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:41,182 INFO L85 PathProgramCache]: Analyzing trace with hash 28695847, now seen corresponding path program 1 times [2024-11-28 02:46:41,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:46:41,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517625386] [2024-11-28 02:46:41,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:41,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:46:41,271 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:46:41,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:46:41,292 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:46:41,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:41,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1637, now seen corresponding path program 1 times [2024-11-28 02:46:41,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:46:41,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483110784] [2024-11-28 02:46:41,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:41,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:46:41,306 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:46:41,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:46:41,313 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:46:41,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:41,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1806905867, now seen corresponding path program 1 times [2024-11-28 02:46:41,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:46:41,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544319136] [2024-11-28 02:46:41,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:41,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:46:41,333 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:46:41,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:46:41,341 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:46:41,419 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:46:41,420 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:46:41,420 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:46:41,421 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:46:41,421 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 02:46:41,421 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:46:41,421 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:46:41,425 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:46:41,426 INFO L132 ssoRankerPreferences]: Filename of dumped script: Singapore-2.c_Iteration1_Loop [2024-11-28 02:46:41,426 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:46:41,426 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:46:41,440 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:46:41,453 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:46:41,466 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:46:41,585 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:46:41,585 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 02:46:41,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:46:41,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:46:41,593 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:46:41,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-28 02:46:41,595 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:46:41,596 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:46:41,626 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:46:41,626 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 02:46:41,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-28 02:46:41,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:46:41,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:46:41,640 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:46:41,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-28 02:46:41,645 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:46:41,645 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:46:41,673 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:46:41,673 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: [] [2024-11-28 02:46:41,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-28 02:46:41,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:46:41,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:46:41,687 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:46:41,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-28 02:46:41,692 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:46:41,692 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:46:41,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-28 02:46:41,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:46:41,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:46:41,730 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:46:41,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-28 02:46:41,733 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 02:46:41,733 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:46:41,806 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:46:41,806 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=16, ULTIMATE.start_main_~y~0#1=-1} Honda state: {ULTIMATE.start_main_~x~0#1=16, ULTIMATE.start_main_~y~0#1=-1} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=7, ULTIMATE.start_main_~y~0#1=7}, {ULTIMATE.start_main_~x~0#1=7, ULTIMATE.start_main_~y~0#1=-7}, {ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~y~0#1=-1}] Lambdas: [2, 1, 1] Nus: [1, 0] [2024-11-28 02:46:41,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-28 02:46:41,868 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:46:41,868 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:46:41,868 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:46:41,868 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:46:41,868 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 02:46:41,868 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:46:41,868 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:46:41,868 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:46:41,868 INFO L132 ssoRankerPreferences]: Filename of dumped script: Singapore-2.c_Iteration1_Lasso [2024-11-28 02:46:41,868 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:46:41,869 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:46:41,871 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:46:41,881 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:46:41,884 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:46:41,892 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:46:41,898 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:46:41,904 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:46:42,021 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:46:42,021 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 02:46:42,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:46:42,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:46:42,024 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:46:42,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-28 02:46:42,028 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:46:42,028 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:46:42,052 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:46:42,053 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_2=0} Honda state: {v_rep~unnamed0~0~false_2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 02:46:42,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-28 02:46:42,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:46:42,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:46:42,062 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:46:42,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-28 02:46:42,065 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:46:42,066 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:46:42,081 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:46:42,081 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: [] [2024-11-28 02:46:42,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-28 02:46:42,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:46:42,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:46:42,093 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:46:42,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-28 02:46:42,096 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:46:42,097 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:46:42,109 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:46:42,109 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: [] [2024-11-28 02:46:42,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-28 02:46:42,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:46:42,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:46:42,118 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:46:42,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-28 02:46:42,120 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:46:42,121 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:46:42,133 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:46:42,133 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: [] [2024-11-28 02:46:42,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-28 02:46:42,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:46:42,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:46:42,142 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:46:42,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-28 02:46:42,146 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:46:42,146 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:46:42,170 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:46:42,170 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_2=1} Honda state: {v_rep~unnamed0~0~true_2=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 02:46:42,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-28 02:46:42,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:46:42,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:46:42,179 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:46:42,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-28 02:46:42,181 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:46:42,181 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:46:42,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-28 02:46:42,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:46:42,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:46:42,214 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:46:42,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-28 02:46:42,217 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 02:46:42,217 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:46:42,794 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 02:46:42,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-28 02:46:42,808 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:46:42,808 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:46:42,808 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:46:42,809 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:46:42,809 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 02:46:42,809 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:46:42,809 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:46:42,809 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:46:42,809 INFO L132 ssoRankerPreferences]: Filename of dumped script: Singapore-2.c_Iteration1_Lasso [2024-11-28 02:46:42,809 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:46:42,809 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:46:42,812 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:46:42,817 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:46:42,837 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:46:42,842 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:46:42,848 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:46:42,851 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:46:42,936 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:46:42,941 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 02:46:42,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:46:42,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:46:42,945 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:46:42,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:46:42,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-28 02:46:42,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:46:42,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:46:42,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:46:42,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:46:42,978 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:46:42,979 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:46:42,986 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:46:42,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-11-28 02:46:42,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:46:42,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:46:43,002 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:46:43,006 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:46:43,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-28 02:46:43,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:46:43,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:46:43,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:46:43,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:46:43,030 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:46:43,030 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:46:43,044 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:46:43,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-28 02:46:43,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:46:43,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:46:43,057 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:46:43,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-28 02:46:43,062 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:46:43,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:46:43,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:46:43,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:46:43,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:46:43,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:46:43,077 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:46:43,077 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:46:43,079 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:46:43,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-28 02:46:43,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:46:43,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:46:43,088 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:46:43,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-28 02:46:43,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:46:43,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:46:43,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:46:43,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:46:43,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:46:43,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:46:43,104 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:46:43,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:46:43,105 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:46:43,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-28 02:46:43,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:46:43,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:46:43,114 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:46:43,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-28 02:46:43,116 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:46:43,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:46:43,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:46:43,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:46:43,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:46:43,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:46:43,129 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:46:43,130 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:46:43,132 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:46:43,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-28 02:46:43,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:46:43,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:46:43,142 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:46:43,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-28 02:46:43,147 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:46:43,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:46:43,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:46:43,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:46:43,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:46:43,162 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:46:43,162 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:46:43,169 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:46:43,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-11-28 02:46:43,180 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-28 02:46:43,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:46:43,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:46:43,184 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:46:43,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-28 02:46:43,191 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:46:43,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:46:43,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:46:43,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:46:43,208 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 02:46:43,213 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-11-28 02:46:43,214 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-11-28 02:46:43,227 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:46:43,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-11-28 02:46:43,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:46:43,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:46:43,241 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:46:43,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-28 02:46:43,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:46:43,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:46:43,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:46:43,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:46:43,264 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 02:46:43,277 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-11-28 02:46:43,277 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-11-28 02:46:43,309 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 02:46:43,356 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2024-11-28 02:46:43,359 INFO L444 ModelExtractionUtils]: 1 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2024-11-28 02:46:43,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:46:43,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:46:43,366 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:46:43,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-28 02:46:43,370 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 02:46:43,393 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 3. [2024-11-28 02:46:43,393 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 02:46:43,394 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 2*ULTIMATE.start_main_~y~0#1 + 3*ULTIMATE.start_main_~x~0#1 f1 = 2*ULTIMATE.start_main_~x~0#1 Supporting invariants [-1*ULTIMATE.start_main_~x~0#1 - 1*ULTIMATE.start_main_~y~0#1 >= 0] [2024-11-28 02:46:43,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-11-28 02:46:43,414 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2024-11-28 02:46:43,424 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-28 02:46:43,426 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-28 02:46:43,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:43,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:43,486 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:46:43,487 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:46:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:43,508 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 02:46:43,509 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:46:43,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:46:43,703 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-28 02:46:43,705 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:46:43,844 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 26 transitions. Complement of second has 6 states. [2024-11-28 02:46:43,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-28 02:46:43,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:46:43,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2024-11-28 02:46:43,861 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-28 02:46:43,862 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:46:43,862 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 7 letters. Loop has 2 letters. [2024-11-28 02:46:43,862 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:46:43,863 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 4 letters. [2024-11-28 02:46:43,863 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:46:43,864 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 26 transitions. [2024-11-28 02:46:43,867 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 02:46:43,871 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2024-11-28 02:46:43,872 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-28 02:46:43,872 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-28 02:46:43,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-28 02:46:43,872 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 02:46:43,873 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:46:43,873 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:46:43,873 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:46:43,873 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 02:46:43,873 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-28 02:46:43,873 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 02:46:43,873 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-28 02:46:43,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 02:46:43 BoogieIcfgContainer [2024-11-28 02:46:43,883 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 02:46:43,884 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:46:43,885 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:46:43,885 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:46:43,886 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:46:41" (3/4) ... [2024-11-28 02:46:43,888 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:46:43,889 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:46:43,893 INFO L158 Benchmark]: Toolchain (without parser) took 3391.00ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 68.4MB in the end (delta: 50.2MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2024-11-28 02:46:43,893 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:46:43,893 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.15ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 108.4MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:46:43,894 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.53ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 107.6MB in the end (delta: 788.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:46:43,894 INFO L158 Benchmark]: Boogie Preprocessor took 26.80ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 106.7MB in the end (delta: 989.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:46:43,894 INFO L158 Benchmark]: RCFGBuilder took 226.35ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 98.0MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:46:43,894 INFO L158 Benchmark]: BuchiAutomizer took 2831.18ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 68.4MB in the end (delta: 29.4MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2024-11-28 02:46:43,895 INFO L158 Benchmark]: Witness Printer took 4.47ms. Allocated memory is still 142.6MB. Free memory was 68.4MB in the beginning and 68.4MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:46:43,896 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 79.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 258.15ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 108.4MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.53ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 107.6MB in the end (delta: 788.8kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.80ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 106.7MB in the end (delta: 989.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 226.35ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 98.0MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2831.18ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 68.4MB in the end (delta: 29.4MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. * Witness Printer took 4.47ms. Allocated memory is still 142.6MB. Free memory was 68.4MB in the beginning and 68.4MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has 2-nested ranking function null, null and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 11 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital27 mio100 ax148 hnf100 lsp68 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq156 hnf94 smp100 dnf100 smp100 tf102 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 46ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.9s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-28 02:46:43,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-28 02:46:44,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3630fd2e-9756-4c41-8a10-c85c25e81d8c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE