./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/and-assume.i --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_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/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_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/and-assume.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/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_4b8c8812-17cc-49ba-9367-d74731ea336f/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 8beb7be7ecdb66eb2007be5f75989c5fdc3ddad5d7117f2ded11c36f0703f203 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:01:11,316 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:01:11,400 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-13 16:01:11,411 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:01:11,411 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:01:11,456 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:01:11,457 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:01:11,457 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:01:11,458 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:01:11,458 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:01:11,458 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:01:11,458 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:01:11,458 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:01:11,459 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-13 16:01:11,459 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-13 16:01:11,459 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-13 16:01:11,459 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-13 16:01:11,459 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-13 16:01:11,460 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-13 16:01:11,460 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:01:11,460 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-13 16:01:11,460 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:01:11,460 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:01:11,460 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-13 16:01:11,461 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-13 16:01:11,461 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-13 16:01:11,461 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:01:11,461 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:01:11,461 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:01:11,461 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-13 16:01:11,461 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:01:11,462 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:01:11,462 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:01:11,462 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:01:11,462 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:01:11,462 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-13 16:01:11,462 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_4b8c8812-17cc-49ba-9367-d74731ea336f/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 -> 8beb7be7ecdb66eb2007be5f75989c5fdc3ddad5d7117f2ded11c36f0703f203 [2024-11-13 16:01:11,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:01:11,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:01:11,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:01:11,804 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:01:11,804 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:01:11,805 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/termination-bwb/and-assume.i Unable to find full path for "g++" [2024-11-13 16:01:14,047 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:01:14,445 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:01:14,446 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/sv-benchmarks/c/termination-bwb/and-assume.i [2024-11-13 16:01:14,471 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/data/465deb4f1/a09dd5427c2a42d5a00bfa88f4bf6947/FLAGe040039b4 [2024-11-13 16:01:14,616 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/data/465deb4f1/a09dd5427c2a42d5a00bfa88f4bf6947 [2024-11-13 16:01:14,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:01:14,621 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:01:14,622 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:01:14,623 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:01:14,628 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:01:14,629 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:01:14" (1/1) ... [2024-11-13 16:01:14,630 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a424db7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:01:14, skipping insertion in model container [2024-11-13 16:01:14,631 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:01:14" (1/1) ... [2024-11-13 16:01:14,671 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:01:14,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:01:14,978 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:01:15,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:01:15,085 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:01:15,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:01:15 WrapperNode [2024-11-13 16:01:15,086 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:01:15,087 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:01:15,087 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:01:15,087 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:01:15,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:01:15" (1/1) ... [2024-11-13 16:01:15,106 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:01:15" (1/1) ... [2024-11-13 16:01:15,122 INFO L138 Inliner]: procedures = 110, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2024-11-13 16:01:15,122 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:01:15,123 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:01:15,123 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:01:15,123 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:01:15,132 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:01:15" (1/1) ... [2024-11-13 16:01:15,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:01:15" (1/1) ... [2024-11-13 16:01:15,134 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:01:15" (1/1) ... [2024-11-13 16:01:15,140 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 16:01:15,141 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:01:15" (1/1) ... [2024-11-13 16:01:15,141 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:01:15" (1/1) ... [2024-11-13 16:01:15,143 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:01:15" (1/1) ... [2024-11-13 16:01:15,148 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:01:15" (1/1) ... [2024-11-13 16:01:15,149 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:01:15" (1/1) ... [2024-11-13 16:01:15,150 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:01:15" (1/1) ... [2024-11-13 16:01:15,152 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:01:15,153 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:01:15,153 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:01:15,153 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:01:15,154 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:01:15" (1/1) ... [2024-11-13 16:01:15,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:01:15,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:01:15,196 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:01:15,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-13 16:01:15,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:01:15,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:01:15,381 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:01:15,383 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:01:15,476 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 16:01:15,476 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:01:15,487 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:01:15,488 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:01:15,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:01:15 BoogieIcfgContainer [2024-11-13 16:01:15,488 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:01:15,489 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-13 16:01:15,489 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-13 16:01:15,495 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-13 16:01:15,496 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 16:01:15,496 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 04:01:14" (1/3) ... [2024-11-13 16:01:15,497 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a3b7b37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 04:01:15, skipping insertion in model container [2024-11-13 16:01:15,498 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 16:01:15,498 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:01:15" (2/3) ... [2024-11-13 16:01:15,498 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a3b7b37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 04:01:15, skipping insertion in model container [2024-11-13 16:01:15,498 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 16:01:15,498 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:01:15" (3/3) ... [2024-11-13 16:01:15,500 INFO L333 chiAutomizerObserver]: Analyzing ICFG and-assume.i [2024-11-13 16:01:15,576 INFO L299 stractBuchiCegarLoop]: Interprodecural is true [2024-11-13 16:01:15,577 INFO L300 stractBuchiCegarLoop]: Hoare is None [2024-11-13 16:01:15,577 INFO L301 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-13 16:01:15,577 INFO L302 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-13 16:01:15,577 INFO L303 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-13 16:01:15,577 INFO L304 stractBuchiCegarLoop]: Difference is false [2024-11-13 16:01:15,578 INFO L305 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-13 16:01:15,578 INFO L309 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-13 16:01:15,584 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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 16:01:15,617 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-13 16:01:15,617 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 16:01:15,617 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 16:01:15,626 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-13 16:01:15,626 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-13 16:01:15,627 INFO L331 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-13 16:01:15,627 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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 16:01:15,628 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-13 16:01:15,629 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 16:01:15,630 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 16:01:15,630 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-13 16:01:15,630 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-13 16:01:15,642 INFO L745 eck$LassoCheckResult]: Stem: 9#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~bitwise6#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~a~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 3#L535true assume !!(main_~a~0#1 > 0); 8#L536-1true [2024-11-13 16:01:15,642 INFO L747 eck$LassoCheckResult]: Loop: 8#L536-1true assume !!(main_~x~0#1 > 0);main_#t~post5#1 := main_~a~0#1;main_~a~0#1 := main_#t~post5#1 - 1;havoc main_#t~post5#1; 12#L538true assume 0 == main_~x~0#1 || 0 == main_~a~0#1;main_#t~bitwise6#1 := 0; 7#L538-5true main_~x~0#1 := main_#t~bitwise6#1;havoc main_#t~bitwise6#1; 8#L536-1true [2024-11-13 16:01:15,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:01:15,653 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2024-11-13 16:01:15,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:01:15,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017727321] [2024-11-13 16:01:15,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:01:15,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:01:15,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:01:15,776 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:01:15,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:01:15,801 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:01:15,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:01:15,805 INFO L85 PathProgramCache]: Analyzing trace with hash 44792, now seen corresponding path program 1 times [2024-11-13 16:01:15,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:01:15,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417770726] [2024-11-13 16:01:15,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:01:15,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:01:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:01:15,833 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:01:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:01:15,845 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:01:15,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:01:15,849 INFO L85 PathProgramCache]: Analyzing trace with hash 889574261, now seen corresponding path program 1 times [2024-11-13 16:01:15,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:01:15,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307225342] [2024-11-13 16:01:15,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:01:15,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:01:15,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:01:15,868 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:01:15,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:01:15,882 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:01:16,023 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 16:01:16,024 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 16:01:16,024 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 16:01:16,024 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 16:01:16,025 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-13 16:01:16,025 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:01:16,025 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 16:01:16,025 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 16:01:16,026 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-assume.i_Iteration1_Loop [2024-11-13 16:01:16,026 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 16:01:16,026 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 16:01:16,049 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:16,068 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:16,074 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:16,085 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:16,092 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:16,109 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:16,114 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:16,263 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 16:01:16,263 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-13 16:01:16,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:01:16,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:01:16,269 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:01:16,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-13 16:01:16,274 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 16:01:16,274 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 16:01:16,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-13 16:01:16,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:01:16,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:01:16,326 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:01:16,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-13 16:01:16,329 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 16:01:16,330 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 16:01:16,387 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-13 16:01:16,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-13 16:01:16,391 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 16:01:16,391 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 16:01:16,391 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 16:01:16,391 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 16:01:16,391 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 16:01:16,392 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:01:16,392 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 16:01:16,392 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 16:01:16,392 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-assume.i_Iteration1_Loop [2024-11-13 16:01:16,392 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 16:01:16,392 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 16:01:16,395 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:16,406 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:16,411 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:16,417 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:16,431 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:16,438 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:16,444 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:16,561 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 16:01:16,566 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 16:01:16,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:01:16,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:01:16,570 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:01:16,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-13 16:01:16,577 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 16:01:16,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 16:01:16,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 16:01:16,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 16:01:16,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 16:01:16,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 16:01:16,607 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 16:01:16,607 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 16:01:16,611 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 16:01:16,620 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-13 16:01:16,623 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-13 16:01:16,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:01:16,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:01:16,628 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:01:16,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-13 16:01:16,632 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 16:01:16,632 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-13 16:01:16,633 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 16:01:16,634 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-11-13 16:01:16,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-13 16:01:16,660 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-13 16:01:16,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:01:16,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:01:16,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:01:16,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:01:16,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:01:16,733 WARN L253 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 16:01:16,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:01:16,788 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 16:01:16,823 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 16:01:16,825 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:01:16,983 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 64 transitions. Complement of second has 10 states. [2024-11-13 16:01:16,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-13 16:01:16,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:01:16,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 36 transitions. [2024-11-13 16:01:17,006 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 3 letters. Loop has 3 letters. [2024-11-13 16:01:17,007 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 16:01:17,008 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 6 letters. Loop has 3 letters. [2024-11-13 16:01:17,008 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 16:01:17,008 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 3 letters. Loop has 6 letters. [2024-11-13 16:01:17,008 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 16:01:17,009 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 64 transitions. [2024-11-13 16:01:17,013 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-13 16:01:17,021 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 22 states and 30 transitions. [2024-11-13 16:01:17,022 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-13 16:01:17,023 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-13 16:01:17,023 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 30 transitions. [2024-11-13 16:01:17,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 16:01:17,041 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 30 transitions. [2024-11-13 16:01:17,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 30 transitions. [2024-11-13 16:01:17,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 16. [2024-11-13 16:01:17,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-13 16:01:17,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 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 16:01:17,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2024-11-13 16:01:17,078 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2024-11-13 16:01:17,078 INFO L424 stractBuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2024-11-13 16:01:17,078 INFO L331 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-13 16:01:17,079 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2024-11-13 16:01:17,082 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-13 16:01:17,082 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 16:01:17,083 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 16:01:17,083 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-13 16:01:17,084 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-13 16:01:17,084 INFO L745 eck$LassoCheckResult]: Stem: 119#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 120#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~bitwise6#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~a~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 111#L535 assume !!(main_~a~0#1 > 0); 112#L536-1 assume !!(main_~x~0#1 > 0);main_#t~post5#1 := main_~a~0#1;main_~a~0#1 := main_#t~post5#1 - 1;havoc main_#t~post5#1; 116#L538 [2024-11-13 16:01:17,084 INFO L747 eck$LassoCheckResult]: Loop: 116#L538 assume !(0 == main_~x~0#1 || 0 == main_~a~0#1); 121#L538-2 assume main_~x~0#1 == main_~a~0#1;main_#t~bitwise6#1 := main_~x~0#1; 108#L538-5 main_~x~0#1 := main_#t~bitwise6#1;havoc main_#t~bitwise6#1; 113#L536-1 assume !!(main_~x~0#1 > 0);main_#t~post5#1 := main_~a~0#1;main_~a~0#1 := main_#t~post5#1 - 1;havoc main_#t~post5#1; 116#L538 [2024-11-13 16:01:17,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:01:17,087 INFO L85 PathProgramCache]: Analyzing trace with hash 925675, now seen corresponding path program 1 times [2024-11-13 16:01:17,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:01:17,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705914264] [2024-11-13 16:01:17,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:01:17,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:01:17,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:01:17,097 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:01:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:01:17,102 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:01:17,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:01:17,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1542327, now seen corresponding path program 1 times [2024-11-13 16:01:17,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:01:17,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612507729] [2024-11-13 16:01:17,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:01:17,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:01:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:01:17,112 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:01:17,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:01:17,118 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:01:17,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:01:17,119 INFO L85 PathProgramCache]: Analyzing trace with hash 182428577, now seen corresponding path program 1 times [2024-11-13 16:01:17,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:01:17,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507634234] [2024-11-13 16:01:17,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:01:17,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:01:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:01:17,130 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:01:17,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:01:17,138 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:01:17,218 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 16:01:17,219 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 16:01:17,219 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 16:01:17,219 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 16:01:17,219 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-13 16:01:17,219 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:01:17,219 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 16:01:17,219 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 16:01:17,219 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-assume.i_Iteration2_Loop [2024-11-13 16:01:17,219 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 16:01:17,219 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 16:01:17,222 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:17,240 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:17,247 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:17,251 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:17,257 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:17,261 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:17,368 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 16:01:17,368 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-13 16:01:17,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:01:17,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:01:17,372 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:01:17,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-13 16:01:17,375 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 16:01:17,375 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 16:01:17,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-13 16:01:17,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:01:17,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:01:17,419 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:01:17,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-13 16:01:17,423 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 16:01:17,423 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 16:01:17,582 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-13 16:01:17,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-13 16:01:17,586 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 16:01:17,586 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 16:01:17,586 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 16:01:17,586 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 16:01:17,587 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 16:01:17,587 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:01:17,587 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 16:01:17,587 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 16:01:17,587 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-assume.i_Iteration2_Loop [2024-11-13 16:01:17,587 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 16:01:17,587 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 16:01:17,590 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:17,612 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:17,616 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:17,621 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:17,626 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:17,631 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:17,723 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 16:01:17,724 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 16:01:17,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:01:17,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:01:17,727 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:01:17,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-13 16:01:17,732 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 16:01:17,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 16:01:17,750 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 16:01:17,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 16:01:17,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 16:01:17,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 16:01:17,754 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 16:01:17,754 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 16:01:17,763 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 16:01:17,768 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-11-13 16:01:17,768 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-13 16:01:17,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:01:17,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:01:17,771 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:01:17,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-13 16:01:17,774 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 16:01:17,775 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-13 16:01:17,775 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 16:01:17,775 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~a~0#1) = 1*ULTIMATE.start_main_~a~0#1 Supporting invariants [] [2024-11-13 16:01:17,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-13 16:01:17,798 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-13 16:01:17,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:01:17,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:01:17,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:01:17,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:01:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:01:17,848 WARN L253 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 16:01:17,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:01:17,907 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 16:01:17,908 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 16:01:17,909 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 7 Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:01:17,996 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 7. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 54 transitions. Complement of second has 8 states. [2024-11-13 16:01:17,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-13 16:01:17,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:01:18,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2024-11-13 16:01:18,000 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 4 letters. Loop has 4 letters. [2024-11-13 16:01:18,000 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 16:01:18,000 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 8 letters. Loop has 4 letters. [2024-11-13 16:01:18,001 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 16:01:18,003 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 4 letters. Loop has 8 letters. [2024-11-13 16:01:18,004 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 16:01:18,004 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 54 transitions. [2024-11-13 16:01:18,005 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-13 16:01:18,009 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 37 states and 49 transitions. [2024-11-13 16:01:18,009 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-13 16:01:18,009 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-13 16:01:18,009 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 49 transitions. [2024-11-13 16:01:18,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 16:01:18,010 INFO L218 hiAutomatonCegarLoop]: Abstraction has 37 states and 49 transitions. [2024-11-13 16:01:18,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 49 transitions. [2024-11-13 16:01:18,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2024-11-13 16:01:18,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 35 states have internal predecessors, (48), 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 16:01:18,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 48 transitions. [2024-11-13 16:01:18,018 INFO L240 hiAutomatonCegarLoop]: Abstraction has 36 states and 48 transitions. [2024-11-13 16:01:18,018 INFO L424 stractBuchiCegarLoop]: Abstraction has 36 states and 48 transitions. [2024-11-13 16:01:18,018 INFO L331 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-13 16:01:18,018 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 48 transitions. [2024-11-13 16:01:18,019 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-13 16:01:18,019 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 16:01:18,019 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 16:01:18,020 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-13 16:01:18,022 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-13 16:01:18,022 INFO L745 eck$LassoCheckResult]: Stem: 226#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 227#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~bitwise6#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~a~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 214#L535 assume !!(main_~a~0#1 > 0); 215#L536-1 assume !!(main_~x~0#1 > 0);main_#t~post5#1 := main_~a~0#1;main_~a~0#1 := main_#t~post5#1 - 1;havoc main_#t~post5#1; 242#L538 assume !(0 == main_~x~0#1 || 0 == main_~a~0#1); 228#L538-2 [2024-11-13 16:01:18,023 INFO L747 eck$LassoCheckResult]: Loop: 228#L538-2 assume !(main_~x~0#1 == main_~a~0#1); 216#L538-4 havoc main_#t~bitwise6#1;assume (((((main_~x~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise6#1 <= main_~x~0#1) && ((main_~x~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise6#1 <= main_~a~0#1)) && ((main_~x~0#1 < 0 && main_~a~0#1 < 0) || main_#t~bitwise6#1 >= 0)) && ((main_~x~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise6#1 > main_~x~0#1 + main_~a~0#1)) && main_#t~bitwise6#1 >= -2147483648; 217#L538-5 main_~x~0#1 := main_#t~bitwise6#1;havoc main_#t~bitwise6#1; 220#L536-1 assume !!(main_~x~0#1 > 0);main_#t~post5#1 := main_~a~0#1;main_~a~0#1 := main_#t~post5#1 - 1;havoc main_#t~post5#1; 223#L538 assume !(0 == main_~x~0#1 || 0 == main_~a~0#1); 228#L538-2 [2024-11-13 16:01:18,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:01:18,023 INFO L85 PathProgramCache]: Analyzing trace with hash 28695945, now seen corresponding path program 1 times [2024-11-13 16:01:18,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:01:18,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150205163] [2024-11-13 16:01:18,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:01:18,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:01:18,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:01:18,035 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:01:18,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:01:18,046 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:01:18,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:01:18,051 INFO L85 PathProgramCache]: Analyzing trace with hash 52519135, now seen corresponding path program 1 times [2024-11-13 16:01:18,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:01:18,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198075016] [2024-11-13 16:01:18,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:01:18,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:01:18,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:01:18,074 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:01:18,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:01:18,094 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:01:18,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:01:18,095 INFO L85 PathProgramCache]: Analyzing trace with hash -777996201, now seen corresponding path program 1 times [2024-11-13 16:01:18,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:01:18,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46219319] [2024-11-13 16:01:18,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:01:18,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:01:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:01:18,108 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:01:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:01:18,130 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:01:18,433 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 16:01:18,434 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 16:01:18,434 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 16:01:18,434 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 16:01:18,434 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-13 16:01:18,434 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:01:18,435 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 16:01:18,436 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 16:01:18,436 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-assume.i_Iteration3_Loop [2024-11-13 16:01:18,436 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 16:01:18,436 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 16:01:18,438 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:18,448 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:18,453 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:18,510 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:18,515 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:18,520 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:18,614 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2024-11-13 16:01:18,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-13 16:01:19,012 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 16:01:19,012 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-13 16:01:19,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:01:19,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:01:19,015 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:01:19,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-13 16:01:19,018 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 16:01:19,018 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 16:01:19,034 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 16:01:19,034 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post5#1=0} Honda state: {ULTIMATE.start_main_#t~post5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 16:01:19,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-13 16:01:19,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:01:19,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:01:19,052 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:01:19,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-13 16:01:19,055 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 16:01:19,055 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 16:01:19,081 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 16:01:19,081 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PID_5=1} Honda state: {v_rep~unnamed0~0~P_PID_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 16:01:19,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-13 16:01:19,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:01:19,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:01:19,101 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:01:19,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-13 16:01:19,104 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 16:01:19,104 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 16:01:19,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-13 16:01:19,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:01:19,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:01:19,143 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:01:19,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-13 16:01:19,145 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 16:01:19,145 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 16:01:19,305 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 16:01:19,305 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=3, ULTIMATE.start_main_~a~0#1=-4} Honda state: {ULTIMATE.start_main_~x~0#1=3, ULTIMATE.start_main_~a~0#1=-4} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~a~0#1=-1}, {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~a~0#1=0}, {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~a~0#1=0}] Lambdas: [1, 1, 1] Nus: [0, 0] [2024-11-13 16:01:19,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-13 16:01:19,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:01:19,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:01:19,322 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:01:19,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-13 16:01:19,324 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 16:01:19,324 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 16:01:19,347 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 16:01:19,348 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PGID_5=2} Honda state: {v_rep~unnamed0~0~P_PGID_5=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 16:01:19,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-13 16:01:19,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:01:19,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:01:19,364 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:01:19,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-13 16:01:19,365 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 16:01:19,366 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 16:01:19,388 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 16:01:19,388 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_ALL_5=0} Honda state: {v_rep~unnamed0~0~P_ALL_5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 16:01:19,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-13 16:01:19,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:01:19,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:01:19,404 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:01:19,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-13 16:01:19,407 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 16:01:19,407 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 16:01:19,423 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 16:01:19,423 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~bitwise6#1=0} Honda state: {ULTIMATE.start_main_#t~bitwise6#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 16:01:19,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-13 16:01:19,470 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 16:01:19,470 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 16:01:19,470 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 16:01:19,470 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 16:01:19,470 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-13 16:01:19,470 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:01:19,470 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 16:01:19,470 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 16:01:19,470 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-assume.i_Iteration3_Lasso [2024-11-13 16:01:19,470 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 16:01:19,470 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 16:01:19,473 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:19,477 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:19,525 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:19,528 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:19,532 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:19,534 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:19,538 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:19,541 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:19,544 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:19,674 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2024-11-13 16:01:19,970 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 16:01:19,970 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-13 16:01:19,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:01:19,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:01:19,977 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:01:19,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-13 16:01:19,981 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 16:01:19,982 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 16:01:19,999 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 16:01:19,999 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3#1=0} Honda state: {ULTIMATE.start_main_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 16:01:20,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-13 16:01:20,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:01:20,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:01:20,016 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:01:20,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-13 16:01:20,018 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 16:01:20,018 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 16:01:20,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-13 16:01:20,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:01:20,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:01:20,051 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:01:20,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-13 16:01:20,053 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 16:01:20,053 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 16:01:20,262 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-13 16:01:20,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-13 16:01:20,267 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 16:01:20,267 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 16:01:20,267 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 16:01:20,267 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 16:01:20,267 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 16:01:20,267 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:01:20,267 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 16:01:20,267 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 16:01:20,267 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-assume.i_Iteration3_Lasso [2024-11-13 16:01:20,267 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 16:01:20,267 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 16:01:20,270 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:20,331 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:20,334 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:20,337 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:20,341 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:20,347 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:20,350 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:20,353 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:20,357 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:20,466 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2024-11-13 16:01:20,797 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 16:01:20,798 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 16:01:20,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:01:20,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:01:20,802 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:01:20,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-13 16:01:20,807 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 16:01:20,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 16:01:20,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 16:01:20,823 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2024-11-13 16:01:20,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 16:01:20,884 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2024-11-13 16:01:20,884 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2024-11-13 16:01:20,993 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 16:01:21,095 INFO L443 ModelExtractionUtils]: Simplification made 19 calls to the SMT solver. [2024-11-13 16:01:21,095 INFO L444 ModelExtractionUtils]: 13 out of 28 variables were initially zero. Simplification set additionally 12 variables to zero. [2024-11-13 16:01:21,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:01:21,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:01:21,097 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:01:21,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-13 16:01:21,099 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 16:01:21,123 INFO L438 nArgumentSynthesizer]: Removed 7 redundant supporting invariants from a total of 8. [2024-11-13 16:01:21,123 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 16:01:21,123 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~a~0#1) = 1*ULTIMATE.start_main_~a~0#1 Supporting invariants [1*ULTIMATE.start_main_~a~0#1 >= 0] [2024-11-13 16:01:21,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-13 16:01:21,149 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2024-11-13 16:01:21,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:01:21,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:01:21,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 16:01:21,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:01:21,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:01:21,245 WARN L253 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 16:01:21,246 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:01:21,343 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 16:01:21,344 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 4 loop predicates [2024-11-13 16:01:21,345 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 48 transitions. cyclomatic complexity: 16 Second operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 8 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 16:01:21,492 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states and 48 transitions. cyclomatic complexity: 16. Second operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 8 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 126 states and 181 transitions. Complement of second has 12 states. [2024-11-13 16:01:21,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 3 stem states 3 non-accepting loop states 2 accepting loop states [2024-11-13 16:01:21,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 8 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 16:01:21,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 21 transitions. [2024-11-13 16:01:21,497 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 21 transitions. Stem has 5 letters. Loop has 5 letters. [2024-11-13 16:01:21,497 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 16:01:21,498 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 21 transitions. Stem has 10 letters. Loop has 5 letters. [2024-11-13 16:01:21,498 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 16:01:21,498 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 21 transitions. Stem has 5 letters. Loop has 10 letters. [2024-11-13 16:01:21,498 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 16:01:21,498 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 126 states and 181 transitions. [2024-11-13 16:01:21,506 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-13 16:01:21,511 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 126 states to 53 states and 72 transitions. [2024-11-13 16:01:21,511 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2024-11-13 16:01:21,511 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2024-11-13 16:01:21,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 72 transitions. [2024-11-13 16:01:21,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 16:01:21,511 INFO L218 hiAutomatonCegarLoop]: Abstraction has 53 states and 72 transitions. [2024-11-13 16:01:21,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states and 72 transitions. [2024-11-13 16:01:21,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 36. [2024-11-13 16:01:21,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 35 states have internal predecessors, (47), 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 16:01:21,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 47 transitions. [2024-11-13 16:01:21,518 INFO L240 hiAutomatonCegarLoop]: Abstraction has 36 states and 47 transitions. [2024-11-13 16:01:21,518 INFO L424 stractBuchiCegarLoop]: Abstraction has 36 states and 47 transitions. [2024-11-13 16:01:21,518 INFO L331 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-13 16:01:21,518 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 47 transitions. [2024-11-13 16:01:21,519 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-13 16:01:21,519 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 16:01:21,523 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 16:01:21,524 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1] [2024-11-13 16:01:21,524 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-13 16:01:21,524 INFO L745 eck$LassoCheckResult]: Stem: 462#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 463#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~bitwise6#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~a~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 455#L535 assume !!(main_~a~0#1 > 0); 456#L536-1 assume !!(main_~x~0#1 > 0);main_#t~post5#1 := main_~a~0#1;main_~a~0#1 := main_#t~post5#1 - 1;havoc main_#t~post5#1; 460#L538 assume 0 == main_~x~0#1 || 0 == main_~a~0#1;main_#t~bitwise6#1 := 0; 482#L538-5 main_~x~0#1 := main_#t~bitwise6#1;havoc main_#t~bitwise6#1; 479#L536-1 assume !!(main_~x~0#1 > 0);main_#t~post5#1 := main_~a~0#1;main_~a~0#1 := main_#t~post5#1 - 1;havoc main_#t~post5#1; 471#L538 [2024-11-13 16:01:21,524 INFO L747 eck$LassoCheckResult]: Loop: 471#L538 assume !(0 == main_~x~0#1 || 0 == main_~a~0#1); 464#L538-2 assume !(main_~x~0#1 == main_~a~0#1); 451#L538-4 havoc main_#t~bitwise6#1;assume (((((main_~x~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise6#1 <= main_~x~0#1) && ((main_~x~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise6#1 <= main_~a~0#1)) && ((main_~x~0#1 < 0 && main_~a~0#1 < 0) || main_#t~bitwise6#1 >= 0)) && ((main_~x~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise6#1 > main_~x~0#1 + main_~a~0#1)) && main_#t~bitwise6#1 >= -2147483648; 452#L538-5 main_~x~0#1 := main_#t~bitwise6#1;havoc main_#t~bitwise6#1; 457#L536-1 assume !!(main_~x~0#1 > 0);main_#t~post5#1 := main_~a~0#1;main_~a~0#1 := main_#t~post5#1 - 1;havoc main_#t~post5#1; 471#L538 [2024-11-13 16:01:21,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:01:21,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1806998330, now seen corresponding path program 2 times [2024-11-13 16:01:21,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:01:21,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171627658] [2024-11-13 16:01:21,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:01:21,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:01:21,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:01:21,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:01:21,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:01:21,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171627658] [2024-11-13 16:01:21,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171627658] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:01:21,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:01:21,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:01:21,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305700223] [2024-11-13 16:01:21,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:01:21,650 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 16:01:21,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:01:21,651 INFO L85 PathProgramCache]: Analyzing trace with hash 47870215, now seen corresponding path program 2 times [2024-11-13 16:01:21,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:01:21,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926407322] [2024-11-13 16:01:21,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:01:21,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:01:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:01:21,672 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:01:21,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:01:21,684 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:01:21,881 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 16:01:21,882 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 16:01:21,882 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 16:01:21,882 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 16:01:21,882 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-13 16:01:21,882 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:01:21,882 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 16:01:21,882 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 16:01:21,882 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-assume.i_Iteration4_Loop [2024-11-13 16:01:21,882 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 16:01:21,882 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 16:01:21,884 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:21,888 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:21,892 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:21,935 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:21,939 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:21,943 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:01:22,013 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2024-11-13 16:01:22,196 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 16:01:22,196 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-13 16:01:22,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:01:22,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:01:22,198 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:01:22,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-13 16:01:22,200 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 16:01:22,201 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 16:01:22,223 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 16:01:22,224 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_ALL_8=0} Honda state: {v_rep~unnamed0~0~P_ALL_8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 16:01:22,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-13 16:01:22,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:01:22,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:01:22,240 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:01:22,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-13 16:01:22,243 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 16:01:22,243 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 16:01:22,260 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 16:01:22,260 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~bitwise6#1=0} Honda state: {ULTIMATE.start_main_#t~bitwise6#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 16:01:22,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-13 16:01:22,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:01:22,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:01:22,277 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:01:22,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-13 16:01:22,280 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 16:01:22,280 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 16:01:22,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-13 16:01:22,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:01:22,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:01:22,314 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:01:22,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-13 16:01:22,317 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 16:01:22,317 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 16:01:22,513 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 16:01:22,513 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~a~0#1=-2} Honda state: {ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~a~0#1=-2} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~a~0#1=0}, {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~a~0#1=-1}, {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~a~0#1=0}] Lambdas: [2, 1, 0] Nus: [0, 1] [2024-11-13 16:01:22,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-13 16:01:22,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:01:22,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:01:22,537 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:01:22,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-13 16:01:22,539 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 16:01:22,539 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 16:01:22,563 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 16:01:22,563 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PID_8=1} Honda state: {v_rep~unnamed0~0~P_PID_8=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 16:01:22,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-13 16:01:22,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:01:22,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:01:22,580 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:01:22,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-13 16:01:22,582 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 16:01:22,582 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 16:01:22,606 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 16:01:22,606 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PGID_8=2} Honda state: {v_rep~unnamed0~0~P_PGID_8=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 16:01:22,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-11-13 16:01:22,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:01:22,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:01:22,623 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:01:22,625 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 16:01:22,625 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 16:01:22,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-13 16:01:22,641 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 16:01:22,641 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post5#1=0} Honda state: {ULTIMATE.start_main_#t~post5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 16:01:22,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-13 16:01:22,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:01:22,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:01:22,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:01:22,660 INFO L87 Difference]: Start difference. First operand 36 states and 47 transitions. cyclomatic complexity: 15 Second operand has 4 states, 3 states have (on average 2.3333333333333335) 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 16:01:22,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:01:22,679 INFO L93 Difference]: Finished difference Result 9 states and 8 transitions. [2024-11-13 16:01:22,679 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 8 transitions. [2024-11-13 16:01:22,679 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 16:01:22,680 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2024-11-13 16:01:22,680 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-13 16:01:22,680 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-13 16:01:22,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-13 16:01:22,680 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 16:01:22,680 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 16:01:22,680 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 16:01:22,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:01:22,684 INFO L424 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 16:01:22,684 INFO L331 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-13 16:01:22,684 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-13 16:01:22,684 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 16:01:22,684 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-13 16:01:22,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 04:01:22 BoogieIcfgContainer [2024-11-13 16:01:22,702 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-13 16:01:22,703 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:01:22,703 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:01:22,703 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:01:22,704 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:01:15" (3/4) ... [2024-11-13 16:01:22,707 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:01:22,708 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:01:22,709 INFO L158 Benchmark]: Toolchain (without parser) took 8087.99ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 50.4MB in the end (delta: 68.1MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-13 16:01:22,709 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:01:22,710 INFO L158 Benchmark]: CACSL2BoogieTranslator took 463.85ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 102.7MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:01:22,710 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.82ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 101.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:01:22,711 INFO L158 Benchmark]: Boogie Preprocessor took 28.93ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 100.2MB in the end (delta: 969.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:01:22,711 INFO L158 Benchmark]: RCFGBuilder took 335.58ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 90.5MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:01:22,711 INFO L158 Benchmark]: BuchiAutomizer took 7212.75ms. Allocated memory is still 142.6MB. Free memory was 90.2MB in the beginning and 50.5MB in the end (delta: 39.8MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2024-11-13 16:01:22,712 INFO L158 Benchmark]: Witness Printer took 5.32ms. Allocated memory is still 142.6MB. Free memory was 50.5MB in the beginning and 50.4MB in the end (delta: 24.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:01:22,714 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 463.85ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 102.7MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.82ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 101.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.93ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 100.2MB in the end (delta: 969.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 335.58ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 90.5MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 7212.75ms. Allocated memory is still 142.6MB. Free memory was 90.2MB in the beginning and 50.5MB in the end (delta: 39.8MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. * Witness Printer took 5.32ms. Allocated memory is still 142.6MB. Free memory was 50.5MB in the beginning and 50.4MB in the end (delta: 24.0kB). 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 4 terminating modules (1 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 6 locations. One deterministic module has affine ranking function a and consists of 5 locations. One deterministic module has affine ranking function a and consists of 8 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.1s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 6.0s. Construction of modules took 0.1s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 24 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 [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 48 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 46 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 105 IncrementalHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 22 mSDtfsCounter, 105 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN1 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital37 mio100 ax175 hnf100 lsp62 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq157 hnf93 smp97 dnf661 smp55 tf105 neg100 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 325ms VariablesStem: 2 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 4 SupportingInvariants: 8 MotzkinApplications: 48 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 11 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.3s 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 16:01:22,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-13 16:01:22,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8c8812-17cc-49ba-9367-d74731ea336f/bin/uautomizer-verify-qhAvR1uOyd/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