./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/and-assume.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8beb7be7ecdb66eb2007be5f75989c5fdc3ddad5d7117f2ded11c36f0703f203 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:51:31,979 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:51:32,098 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-28 04:51:32,107 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:51:32,109 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:51:32,151 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:51:32,151 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:51:32,152 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:51:32,153 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:51:32,153 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:51:32,153 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:51:32,154 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:51:32,155 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:51:32,155 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 04:51:32,155 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 04:51:32,155 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 04:51:32,155 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 04:51:32,156 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 04:51:32,157 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 04:51:32,157 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:51:32,157 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 04:51:32,157 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:51:32,157 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:51:32,157 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 04:51:32,157 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 04:51:32,158 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 04:51:32,158 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:51:32,158 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:51:32,158 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 04:51:32,158 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:51:32,158 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:51:32,158 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:51:32,159 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:51:32,159 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:51:32,159 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 04:51:32,159 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 04:51:32,159 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_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8beb7be7ecdb66eb2007be5f75989c5fdc3ddad5d7117f2ded11c36f0703f203 [2024-11-28 04:51:32,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:51:32,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:51:32,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:51:32,540 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:51:32,541 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:51:32,542 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-bwb/and-assume.i [2024-11-28 04:51:35,597 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/data/6fde90cc7/6624795ee15d4a31927a8418751982f3/FLAG5281c8b12 [2024-11-28 04:51:36,043 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:51:36,044 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/sv-benchmarks/c/termination-bwb/and-assume.i [2024-11-28 04:51:36,066 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/data/6fde90cc7/6624795ee15d4a31927a8418751982f3/FLAG5281c8b12 [2024-11-28 04:51:36,083 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/data/6fde90cc7/6624795ee15d4a31927a8418751982f3 [2024-11-28 04:51:36,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:51:36,087 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:51:36,089 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:51:36,089 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:51:36,095 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:51:36,096 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:51:36" (1/1) ... [2024-11-28 04:51:36,097 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51bee056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:36, skipping insertion in model container [2024-11-28 04:51:36,098 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:51:36" (1/1) ... [2024-11-28 04:51:36,131 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:51:36,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:51:36,566 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:51:36,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:51:36,664 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:51:36,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:36 WrapperNode [2024-11-28 04:51:36,665 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:51:36,667 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:51:36,667 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:51:36,667 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:51:36,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:36" (1/1) ... [2024-11-28 04:51:36,695 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:36" (1/1) ... [2024-11-28 04:51:36,719 INFO L138 Inliner]: procedures = 110, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2024-11-28 04:51:36,721 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:51:36,722 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:51:36,722 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:51:36,723 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:51:36,733 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:36" (1/1) ... [2024-11-28 04:51:36,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:36" (1/1) ... [2024-11-28 04:51:36,737 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:36" (1/1) ... [2024-11-28 04:51:36,746 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-28 04:51:36,746 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:36" (1/1) ... [2024-11-28 04:51:36,747 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:36" (1/1) ... [2024-11-28 04:51:36,750 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:36" (1/1) ... [2024-11-28 04:51:36,751 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:36" (1/1) ... [2024-11-28 04:51:36,758 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:36" (1/1) ... [2024-11-28 04:51:36,765 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:36" (1/1) ... [2024-11-28 04:51:36,766 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:36" (1/1) ... [2024-11-28 04:51:36,768 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:51:36,769 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:51:36,771 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:51:36,771 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:51:36,772 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:36" (1/1) ... [2024-11-28 04:51:36,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:51:36,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:51:36,815 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:51:36,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 04:51:36,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:51:36,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:51:36,964 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:51:36,966 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:51:37,054 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-28 04:51:37,054 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:51:37,066 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:51:37,067 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 04:51:37,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:51:37 BoogieIcfgContainer [2024-11-28 04:51:37,068 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:51:37,069 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 04:51:37,069 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 04:51:37,076 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 04:51:37,077 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:51:37,077 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 04:51:36" (1/3) ... [2024-11-28 04:51:37,078 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e427601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 04:51:37, skipping insertion in model container [2024-11-28 04:51:37,078 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:51:37,078 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:51:36" (2/3) ... [2024-11-28 04:51:37,080 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e427601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 04:51:37, skipping insertion in model container [2024-11-28 04:51:37,080 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:51:37,080 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:51:37" (3/3) ... [2024-11-28 04:51:37,083 INFO L363 chiAutomizerObserver]: Analyzing ICFG and-assume.i [2024-11-28 04:51:37,133 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 04:51:37,133 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 04:51:37,133 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 04:51:37,134 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 04:51:37,134 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 04:51:37,134 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 04:51:37,134 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 04:51:37,134 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 04:51:37,138 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:51:37,153 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-28 04:51:37,154 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:51:37,154 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:51:37,158 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-28 04:51:37,159 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 04:51:37,159 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 04:51:37,159 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:51:37,160 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-28 04:51:37,160 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:51:37,160 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:51:37,160 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-28 04:51:37,160 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 04:51:37,168 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~bitwise6#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~a~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !!(main_~a~0#1 > 0);" [2024-11-28 04:51:37,168 INFO L749 eck$LassoCheckResult]: Loop: "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;" "assume 0 == main_~x~0#1 || 0 == main_~a~0#1;main_#t~bitwise6#1 := 0;" "main_~x~0#1 := main_#t~bitwise6#1;havoc main_#t~bitwise6#1;" [2024-11-28 04:51:37,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:37,174 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2024-11-28 04:51:37,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:51:37,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831547971] [2024-11-28 04:51:37,183 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:37,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:51:37,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:51:37,257 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:51:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:51:37,273 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:51:37,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:37,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1327791, now seen corresponding path program 1 times [2024-11-28 04:51:37,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:51:37,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989709086] [2024-11-28 04:51:37,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:37,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:51:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:51:37,291 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:51:37,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:51:37,297 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:51:37,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:37,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1806937554, now seen corresponding path program 1 times [2024-11-28 04:51:37,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:51:37,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015496007] [2024-11-28 04:51:37,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:37,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:51:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:51:37,309 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:51:37,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:51:37,318 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:51:37,471 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:51:37,472 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:51:37,473 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:51:37,473 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:51:37,473 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 04:51:37,473 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:51:37,473 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:51:37,473 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:51:37,474 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-assume.i_Iteration1_Loop [2024-11-28 04:51:37,474 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:51:37,474 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:51:37,490 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:37,509 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:37,515 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:37,521 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:37,527 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:37,537 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:37,547 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:37,684 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:51:37,685 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 04:51:37,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:51:37,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:51:37,690 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:51:37,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-28 04:51:37,695 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:51:37,695 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:51:37,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-11-28 04:51:37,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:51:37,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:51:37,738 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:51:37,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-28 04:51:37,742 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 04:51:37,742 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:51:37,782 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 04:51:37,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-28 04:51:37,788 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:51:37,788 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:51:37,788 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:51:37,788 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:51:37,788 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 04:51:37,788 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:51:37,788 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:51:37,788 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:51:37,788 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-assume.i_Iteration1_Loop [2024-11-28 04:51:37,789 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:51:37,789 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:51:37,794 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:37,805 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:37,812 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:37,820 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:37,835 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:37,839 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:37,843 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:37,943 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:51:37,947 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 04:51:37,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:51:37,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:51:37,951 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:51:37,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-28 04:51:37,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:51:37,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:51:37,974 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:51:37,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:51:37,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:51:37,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:51:37,982 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:51:37,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:51:37,989 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 04:51:37,999 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 04:51:38,002 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-28 04:51:38,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:51:38,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:51:38,008 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:51:38,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-28 04:51:38,011 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 04:51:38,012 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 04:51:38,012 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 04:51:38,013 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 [] [2024-11-28 04:51:38,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-28 04:51:38,026 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 04:51:38,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:38,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:38,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:51:38,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:51:38,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:38,096 WARN L254 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:51:38,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:51:38,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:51:38,209 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 [2024-11-28 04:51:38,213 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:51:38,361 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 50 states and 69 transitions. Complement of second has 10 states. [2024-11-28 04:51:38,363 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 [2024-11-28 04:51:38,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:51:38,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 39 transitions. [2024-11-28 04:51:38,381 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 39 transitions. Stem has 3 letters. Loop has 4 letters. [2024-11-28 04:51:38,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:51:38,383 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 39 transitions. Stem has 7 letters. Loop has 4 letters. [2024-11-28 04:51:38,383 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:51:38,383 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 39 transitions. Stem has 3 letters. Loop has 8 letters. [2024-11-28 04:51:38,383 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:51:38,387 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 69 transitions. [2024-11-28 04:51:38,392 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-28 04:51:38,398 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 26 states and 34 transitions. [2024-11-28 04:51:38,400 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2024-11-28 04:51:38,401 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2024-11-28 04:51:38,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 34 transitions. [2024-11-28 04:51:38,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 04:51:38,403 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26 states and 34 transitions. [2024-11-28 04:51:38,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 34 transitions. [2024-11-28 04:51:38,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 18. [2024-11-28 04:51:38,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:51:38,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2024-11-28 04:51:38,436 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2024-11-28 04:51:38,436 INFO L425 stractBuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2024-11-28 04:51:38,437 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 04:51:38,437 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 23 transitions. [2024-11-28 04:51:38,438 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-28 04:51:38,438 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:51:38,439 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:51:38,439 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-28 04:51:38,439 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-28 04:51:38,439 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~bitwise6#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~a~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !!(main_~a~0#1 > 0);" "assume main_~x~0#1 > 0;" [2024-11-28 04:51:38,439 INFO L749 eck$LassoCheckResult]: Loop: "main_#t~post5#1 := main_~a~0#1;main_~a~0#1 := main_#t~post5#1 - 1;havoc main_#t~post5#1;" "assume !(0 == main_~x~0#1 || 0 == main_~a~0#1);" "assume main_~x~0#1 == main_~a~0#1;main_#t~bitwise6#1 := main_~x~0#1;" "main_~x~0#1 := main_#t~bitwise6#1;havoc main_#t~bitwise6#1;" "assume main_~x~0#1 > 0;" [2024-11-28 04:51:38,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:38,440 INFO L85 PathProgramCache]: Analyzing trace with hash 925673, now seen corresponding path program 1 times [2024-11-28 04:51:38,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:51:38,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229737323] [2024-11-28 04:51:38,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:38,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:51:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:51:38,452 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:51:38,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:51:38,458 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:51:38,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:38,459 INFO L85 PathProgramCache]: Analyzing trace with hash 45009378, now seen corresponding path program 1 times [2024-11-28 04:51:38,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:51:38,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283608388] [2024-11-28 04:51:38,459 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:38,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:51:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:51:38,474 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:51:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:51:38,486 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:51:38,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:38,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1300257530, now seen corresponding path program 1 times [2024-11-28 04:51:38,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:51:38,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524751799] [2024-11-28 04:51:38,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:38,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:51:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:51:38,506 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:51:38,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:51:38,518 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:51:38,581 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:51:38,581 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:51:38,581 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:51:38,582 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:51:38,582 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 04:51:38,582 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:51:38,582 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:51:38,582 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:51:38,582 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-assume.i_Iteration2_Loop [2024-11-28 04:51:38,582 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:51:38,582 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:51:38,584 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:38,599 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:38,604 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:38,607 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:38,612 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:38,616 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:38,715 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:51:38,715 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 04:51:38,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:51:38,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:51:38,718 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:51:38,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-28 04:51:38,724 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:51:38,724 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:51:38,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-28 04:51:38,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:51:38,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:51:38,753 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:51:38,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-28 04:51:38,758 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 04:51:38,759 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:51:38,916 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 04:51:38,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-28 04:51:38,920 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:51:38,920 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:51:38,920 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:51:38,920 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:51:38,920 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 04:51:38,921 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:51:38,921 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:51:38,921 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:51:38,921 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-assume.i_Iteration2_Loop [2024-11-28 04:51:38,921 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:51:38,921 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:51:38,923 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:38,937 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:38,941 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:38,945 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:38,948 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:38,953 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:38,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-28 04:51:39,063 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:51:39,063 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 04:51:39,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:51:39,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:51:39,066 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:51:39,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-28 04:51:39,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:51:39,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:51:39,086 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:51:39,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:51:39,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:51:39,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:51:39,089 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:51:39,089 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:51:39,093 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 04:51:39,097 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-11-28 04:51:39,098 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-28 04:51:39,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:51:39,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:51:39,100 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:51:39,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-28 04:51:39,105 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 04:51:39,105 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 04:51:39,105 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 04:51:39,105 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 [] [2024-11-28 04:51:39,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-28 04:51:39,117 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 04:51:39,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:39,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:39,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:51:39,144 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:51:39,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:39,163 WARN L254 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 04:51:39,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:51:39,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:51:39,240 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2024-11-28 04:51:39,240 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 23 transitions. cyclomatic complexity: 7 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:51:39,324 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 23 transitions. cyclomatic complexity: 7. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 55 transitions. Complement of second has 8 states. [2024-11-28 04:51:39,324 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 [2024-11-28 04:51:39,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:51:39,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2024-11-28 04:51:39,325 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 4 letters. Loop has 5 letters. [2024-11-28 04:51:39,326 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:51:39,326 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 9 letters. Loop has 5 letters. [2024-11-28 04:51:39,326 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:51:39,326 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 4 letters. Loop has 10 letters. [2024-11-28 04:51:39,326 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:51:39,326 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 55 transitions. [2024-11-28 04:51:39,327 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-28 04:51:39,328 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 41 states and 51 transitions. [2024-11-28 04:51:39,328 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-28 04:51:39,328 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-28 04:51:39,328 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 51 transitions. [2024-11-28 04:51:39,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 04:51:39,328 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 51 transitions. [2024-11-28 04:51:39,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 51 transitions. [2024-11-28 04:51:39,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2024-11-28 04:51:39,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.25) internal successors, (50), 39 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:51:39,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 50 transitions. [2024-11-28 04:51:39,331 INFO L240 hiAutomatonCegarLoop]: Abstraction has 40 states and 50 transitions. [2024-11-28 04:51:39,331 INFO L425 stractBuchiCegarLoop]: Abstraction has 40 states and 50 transitions. [2024-11-28 04:51:39,331 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-28 04:51:39,331 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 50 transitions. [2024-11-28 04:51:39,332 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-28 04:51:39,332 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:51:39,332 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:51:39,333 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-28 04:51:39,333 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-28 04:51:39,333 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~bitwise6#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~a~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !!(main_~a~0#1 > 0);" "assume main_~x~0#1 > 0;" "main_#t~post5#1 := main_~a~0#1;main_~a~0#1 := main_#t~post5#1 - 1;havoc main_#t~post5#1;" [2024-11-28 04:51:39,333 INFO L749 eck$LassoCheckResult]: Loop: "assume !(0 == main_~x~0#1 || 0 == main_~a~0#1);" "assume !(main_~x~0#1 == main_~a~0#1);" "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;" "main_~x~0#1 := main_#t~bitwise6#1;havoc main_#t~bitwise6#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;" [2024-11-28 04:51:39,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:39,333 INFO L85 PathProgramCache]: Analyzing trace with hash 28695880, now seen corresponding path program 1 times [2024-11-28 04:51:39,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:51:39,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871540714] [2024-11-28 04:51:39,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:39,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:51:39,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:51:39,338 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:51:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:51:39,342 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:51:39,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:39,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1543143468, now seen corresponding path program 1 times [2024-11-28 04:51:39,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:51:39,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186465465] [2024-11-28 04:51:39,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:39,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:51:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:51:39,352 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:51:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:51:39,361 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:51:39,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:39,362 INFO L85 PathProgramCache]: Analyzing trace with hash -286192589, now seen corresponding path program 1 times [2024-11-28 04:51:39,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:51:39,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277389286] [2024-11-28 04:51:39,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:51:39,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:51:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:51:39,374 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:51:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:51:39,384 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:51:39,635 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:51:39,636 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:51:39,636 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:51:39,636 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:51:39,636 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 04:51:39,636 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:51:39,636 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:51:39,636 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:51:39,636 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-assume.i_Iteration3_Loop [2024-11-28 04:51:39,636 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:51:39,636 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:51:39,639 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:39,693 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:39,696 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:39,700 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:39,704 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:39,708 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:39,792 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2024-11-28 04:51:40,015 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:51:40,015 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 04:51:40,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:51:40,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:51:40,018 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:51:40,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-28 04:51:40,024 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:51:40,025 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:51:40,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-28 04:51:40,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:51:40,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:51:40,060 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:51:40,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-28 04:51:40,064 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 04:51:40,064 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:51:40,218 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 04:51:40,219 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~a~0#1=-1} Honda state: {ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~a~0#1=-1} 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, 0] [2024-11-28 04:51:40,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-28 04:51:40,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:51:40,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:51:40,231 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:51:40,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-28 04:51:40,234 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:51:40,234 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:51:40,248 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 04:51:40,248 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: [] [2024-11-28 04:51:40,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-28 04:51:40,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:51:40,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:51:40,257 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:51:40,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-28 04:51:40,259 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:51:40,260 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:51:40,281 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 04:51:40,281 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: [] [2024-11-28 04:51:40,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-28 04:51:40,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:51:40,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:51:40,291 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:51:40,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-28 04:51:40,294 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:51:40,294 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:51:40,316 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 04:51:40,316 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: [] [2024-11-28 04:51:40,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-28 04:51:40,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:51:40,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:51:40,326 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:51:40,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-28 04:51:40,328 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:51:40,328 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:51:40,349 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 04:51:40,349 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: [] [2024-11-28 04:51:40,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-28 04:51:40,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:51:40,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:51:40,358 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:51:40,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-28 04:51:40,360 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:51:40,360 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:51:40,373 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 04:51:40,373 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: [] [2024-11-28 04:51:40,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-28 04:51:40,405 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:51:40,406 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:51:40,406 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:51:40,406 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:51:40,406 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 04:51:40,406 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:51:40,406 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:51:40,406 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:51:40,406 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-assume.i_Iteration3_Lasso [2024-11-28 04:51:40,406 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:51:40,406 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:51:40,408 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:40,463 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:40,466 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:40,469 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:40,473 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:40,476 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:40,480 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:40,484 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:40,488 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:40,579 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2024-11-28 04:51:40,803 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:51:40,803 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 04:51:40,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:51:40,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:51:40,806 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:51:40,810 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:51:40,810 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:51:40,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-28 04:51:40,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-11-28 04:51:40,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:51:40,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:51:40,842 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:51:40,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-28 04:51:40,847 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 04:51:40,847 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:51:41,043 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 04:51:41,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-11-28 04:51:41,047 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:51:41,047 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:51:41,048 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:51:41,048 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:51:41,048 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 04:51:41,048 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:51:41,048 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:51:41,048 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:51:41,048 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-assume.i_Iteration3_Lasso [2024-11-28 04:51:41,048 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:51:41,048 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:51:41,050 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:41,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-28 04:51:41,133 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:41,136 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:41,140 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:41,143 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:41,145 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:41,148 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:41,151 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:41,154 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:51:41,234 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2024-11-28 04:51:41,428 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:51:41,428 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 04:51:41,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:51:41,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:51:41,431 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:51:41,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-28 04:51:41,436 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:51:41,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:51:41,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:51:41,452 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2024-11-28 04:51:41,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:51:41,507 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2024-11-28 04:51:41,507 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2024-11-28 04:51:41,614 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 04:51:41,681 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2024-11-28 04:51:41,682 INFO L444 ModelExtractionUtils]: 14 out of 28 variables were initially zero. Simplification set additionally 11 variables to zero. [2024-11-28 04:51:41,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:51:41,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:51:41,684 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:51:41,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-28 04:51:41,686 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 04:51:41,710 INFO L438 nArgumentSynthesizer]: Removed 7 redundant supporting invariants from a total of 8. [2024-11-28 04:51:41,710 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 04:51:41,710 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] [2024-11-28 04:51:41,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-28 04:51:41,725 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2024-11-28 04:51:41,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:51:41,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:41,761 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:51:41,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:51:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:51:41,803 WARN L254 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:51:41,803 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:51:41,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:51:41,905 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2024-11-28 04:51:41,906 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 50 transitions. cyclomatic complexity: 14 Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:51:42,109 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 50 transitions. cyclomatic complexity: 14. Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 84 states and 103 transitions. Complement of second has 13 states. [2024-11-28 04:51:42,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 2 stem states 5 non-accepting loop states 1 accepting loop states [2024-11-28 04:51:42,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:51:42,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 15 transitions. [2024-11-28 04:51:42,113 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 5 letters. Loop has 6 letters. [2024-11-28 04:51:42,114 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:51:42,114 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 11 letters. Loop has 6 letters. [2024-11-28 04:51:42,114 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:51:42,114 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 5 letters. Loop has 12 letters. [2024-11-28 04:51:42,114 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:51:42,114 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 103 transitions. [2024-11-28 04:51:42,119 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 04:51:42,119 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 0 states and 0 transitions. [2024-11-28 04:51:42,120 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-28 04:51:42,121 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-28 04:51:42,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-28 04:51:42,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 04:51:42,122 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 04:51:42,122 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 04:51:42,122 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 04:51:42,122 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-28 04:51:42,122 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-28 04:51:42,122 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 04:51:42,122 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-28 04:51:42,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 04:51:42 BoogieIcfgContainer [2024-11-28 04:51:42,132 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 04:51:42,133 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:51:42,133 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:51:42,133 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:51:42,134 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:51:37" (3/4) ... [2024-11-28 04:51:42,136 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 04:51:42,137 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:51:42,138 INFO L158 Benchmark]: Toolchain (without parser) took 6051.08ms. Allocated memory is still 167.8MB. Free memory was 128.5MB in the beginning and 83.3MB in the end (delta: 45.2MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2024-11-28 04:51:42,139 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:51:42,139 INFO L158 Benchmark]: CACSL2BoogieTranslator took 577.28ms. Allocated memory is still 167.8MB. Free memory was 128.1MB in the beginning and 112.3MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:51:42,140 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.60ms. Allocated memory is still 167.8MB. Free memory was 112.3MB in the beginning and 110.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:51:42,140 INFO L158 Benchmark]: Boogie Preprocessor took 45.69ms. Allocated memory is still 167.8MB. Free memory was 110.8MB in the beginning and 109.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:51:42,140 INFO L158 Benchmark]: RCFGBuilder took 299.86ms. Allocated memory is still 167.8MB. Free memory was 109.7MB in the beginning and 100.0MB in the end (delta: 9.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:51:42,141 INFO L158 Benchmark]: BuchiAutomizer took 5063.02ms. Allocated memory is still 167.8MB. Free memory was 99.7MB in the beginning and 83.3MB in the end (delta: 16.4MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2024-11-28 04:51:42,141 INFO L158 Benchmark]: Witness Printer took 4.72ms. Allocated memory is still 167.8MB. Free memory was 83.3MB in the beginning and 83.3MB in the end (delta: 41.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:51:42,143 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 577.28ms. Allocated memory is still 167.8MB. Free memory was 128.1MB in the beginning and 112.3MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.60ms. Allocated memory is still 167.8MB. Free memory was 112.3MB in the beginning and 110.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.69ms. Allocated memory is still 167.8MB. Free memory was 110.8MB in the beginning and 109.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 299.86ms. Allocated memory is still 167.8MB. Free memory was 109.7MB in the beginning and 100.0MB in the end (delta: 9.7MB). There was no memory consumed. Max. memory is 16.1GB. * BuchiAutomizer took 5063.02ms. Allocated memory is still 167.8MB. Free memory was 99.7MB in the beginning and 83.3MB in the end (delta: 16.4MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. * Witness Printer took 4.72ms. Allocated memory is still 167.8MB. Free memory was 83.3MB in the beginning and 83.3MB in the end (delta: 41.5kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 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. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.9s. 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 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 46 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 44 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 105 IncrementalHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 19 mSDtfsCounter, 105 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital32 mio100 ax182 hnf100 lsp58 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf92 smp100 dnf359 smp65 tf106 neg100 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 281ms VariablesStem: 2 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 4 SupportingInvariants: 8 MotzkinApplications: 48 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.8s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-28 04:51:42,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-28 04:51:42,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb06289-31bb-4a81-8463-00d426e3bb88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE