./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/c.01_assume.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/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_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/c.01_assume.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/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_f0caa725-bb10-4f13-b364-3529b7e254db/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 f716f85b4674adf32c5382ff55713973e95460ac3d0ffe3bfad3cafce9960ed4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:31:22,690 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:31:22,753 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-28 04:31:22,758 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:31:22,759 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:31:22,785 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:31:22,785 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:31:22,786 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:31:22,786 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:31:22,786 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:31:22,786 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:31:22,787 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:31:22,787 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:31:22,787 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 04:31:22,787 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 04:31:22,787 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 04:31:22,787 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 04:31:22,787 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 04:31:22,787 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 04:31:22,788 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:31:22,788 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 04:31:22,788 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:31:22,788 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:31:22,788 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 04:31:22,788 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 04:31:22,788 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 04:31:22,788 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:31:22,788 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:31:22,788 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 04:31:22,789 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:31:22,789 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:31:22,789 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:31:22,789 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:31:22,789 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:31:22,789 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 04:31:22,789 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 04:31:22,790 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_f0caa725-bb10-4f13-b364-3529b7e254db/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 -> f716f85b4674adf32c5382ff55713973e95460ac3d0ffe3bfad3cafce9960ed4 [2024-11-28 04:31:23,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:31:23,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:31:23,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:31:23,152 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:31:23,153 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:31:23,154 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-restricted-15/c.01_assume.c [2024-11-28 04:31:26,380 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/data/c631c8a86/8a2602d3eff6433aa34392fe49029b10/FLAGf64e3ec42 [2024-11-28 04:31:26,717 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:31:26,718 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/sv-benchmarks/c/termination-restricted-15/c.01_assume.c [2024-11-28 04:31:26,729 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/data/c631c8a86/8a2602d3eff6433aa34392fe49029b10/FLAGf64e3ec42 [2024-11-28 04:31:26,771 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/data/c631c8a86/8a2602d3eff6433aa34392fe49029b10 [2024-11-28 04:31:26,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:31:26,777 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:31:26,780 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:31:26,782 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:31:26,792 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:31:26,794 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:31:26" (1/1) ... [2024-11-28 04:31:26,795 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1de36f3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:26, skipping insertion in model container [2024-11-28 04:31:26,795 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:31:26" (1/1) ... [2024-11-28 04:31:26,815 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:31:27,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:31:27,047 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:31:27,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:31:27,080 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:31:27,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:27 WrapperNode [2024-11-28 04:31:27,081 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:31:27,082 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:31:27,083 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:31:27,083 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:31:27,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:27" (1/1) ... [2024-11-28 04:31:27,103 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:27" (1/1) ... [2024-11-28 04:31:27,126 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2024-11-28 04:31:27,127 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:31:27,128 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:31:27,128 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:31:27,128 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:31:27,139 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:27" (1/1) ... [2024-11-28 04:31:27,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:27" (1/1) ... [2024-11-28 04:31:27,140 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:27" (1/1) ... [2024-11-28 04:31:27,148 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-28 04:31:27,149 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:27" (1/1) ... [2024-11-28 04:31:27,149 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:27" (1/1) ... [2024-11-28 04:31:27,152 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:27" (1/1) ... [2024-11-28 04:31:27,153 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:27" (1/1) ... [2024-11-28 04:31:27,160 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:27" (1/1) ... [2024-11-28 04:31:27,164 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:27" (1/1) ... [2024-11-28 04:31:27,165 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:27" (1/1) ... [2024-11-28 04:31:27,166 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:31:27,167 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:31:27,168 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:31:27,168 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:31:27,172 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:27" (1/1) ... [2024-11-28 04:31:27,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:31:27,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:31:27,228 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:31:27,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 04:31:27,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:31:27,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:31:27,349 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:31:27,350 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:31:27,458 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-28 04:31:27,459 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:31:27,475 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:31:27,476 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:31:27,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:31:27 BoogieIcfgContainer [2024-11-28 04:31:27,477 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:31:27,478 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 04:31:27,478 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 04:31:27,487 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 04:31:27,488 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:31:27,488 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 04:31:26" (1/3) ... [2024-11-28 04:31:27,490 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a108962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 04:31:27, skipping insertion in model container [2024-11-28 04:31:27,490 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:31:27,491 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:27" (2/3) ... [2024-11-28 04:31:27,492 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a108962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 04:31:27, skipping insertion in model container [2024-11-28 04:31:27,492 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:31:27,492 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:31:27" (3/3) ... [2024-11-28 04:31:27,494 INFO L363 chiAutomizerObserver]: Analyzing ICFG c.01_assume.c [2024-11-28 04:31:27,581 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 04:31:27,581 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 04:31:27,582 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 04:31:27,582 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 04:31:27,582 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 04:31:27,583 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 04:31:27,583 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 04:31:27,583 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 04:31:27,590 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:31:27,609 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-28 04:31:27,611 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:31:27,611 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:31:27,618 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 04:31:27,619 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 04:31:27,619 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 04:31:27,619 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:31:27,620 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-28 04:31:27,620 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:31:27,620 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:31:27,621 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 04:31:27,621 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 04:31:27,632 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" [2024-11-28 04:31:27,632 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~x~0#1 >= 0 && main_~y~0#1 > 0;" "main_~y~0#1 := 1;" "assume !((main_~x~0#1 > main_~y~0#1 && main_~y~0#1 > 0) && main_~y~0#1 < 1073741824);" "main_~x~0#1 := main_~x~0#1 - 1;" [2024-11-28 04:31:27,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:27,640 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-28 04:31:27,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:31:27,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509833362] [2024-11-28 04:31:27,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:27,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:31:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:31:27,753 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:31:27,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:31:27,774 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:31:27,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:27,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1174027, now seen corresponding path program 1 times [2024-11-28 04:31:27,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:31:27,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511758419] [2024-11-28 04:31:27,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:27,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:31:27,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:31:27,810 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:31:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:31:27,824 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:31:27,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:27,831 INFO L85 PathProgramCache]: Analyzing trace with hash 889601229, now seen corresponding path program 1 times [2024-11-28 04:31:27,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:31:27,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884673501] [2024-11-28 04:31:27,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:27,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:31:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:31:27,850 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:31:27,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:31:27,865 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:31:28,086 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:31:28,087 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:31:28,087 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:31:28,087 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:31:28,087 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 04:31:28,088 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:31:28,088 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:31:28,088 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:31:28,088 INFO L132 ssoRankerPreferences]: Filename of dumped script: c.01_assume.c_Iteration1_Loop [2024-11-28 04:31:28,088 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:31:28,089 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:31:28,106 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:31:28,124 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:31:28,140 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:31:28,158 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:31:28,318 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:31:28,319 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 04:31:28,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:31:28,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:31:28,325 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:31:28,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-28 04:31:28,329 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:31:28,329 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:31:28,359 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 04:31:28,359 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 04:31:28,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-28 04:31:28,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:31:28,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:31:28,370 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:31:28,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-28 04:31:28,373 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:31:28,373 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:31:28,403 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 04:31:28,404 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 04:31:28,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-28 04:31:28,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:31:28,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:31:28,428 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:31:28,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-28 04:31:28,432 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:31:28,433 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:31:28,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-28 04:31:28,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:31:28,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:31:28,469 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:31:28,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-28 04:31:28,474 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 04:31:28,474 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:31:28,499 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 04:31:28,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-28 04:31:28,513 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:31:28,513 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:31:28,513 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:31:28,513 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:31:28,513 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 04:31:28,513 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:31:28,513 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:31:28,513 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:31:28,513 INFO L132 ssoRankerPreferences]: Filename of dumped script: c.01_assume.c_Iteration1_Loop [2024-11-28 04:31:28,513 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:31:28,513 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:31:28,516 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:31:28,524 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:31:28,530 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:31:28,545 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:31:28,679 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:31:28,684 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 04:31:28,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:31:28,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:31:28,689 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:31:28,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-28 04:31:28,694 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 04:31:28,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:31:28,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:31:28,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:31:28,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:31:28,727 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:31:28,727 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:31:28,746 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:31:28,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-28 04:31:28,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:31:28,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:31:28,775 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:31:28,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-28 04:31:28,780 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 04:31:28,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:31:28,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:31:28,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:31:28,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:31:28,805 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:31:28,806 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:31:28,816 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:31:28,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-28 04:31:28,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:31:28,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:31:28,831 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:31:28,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-28 04:31:28,836 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 04:31:28,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:31:28,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:31:28,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:31:28,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:31:28,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:31:28,857 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:31:28,857 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:31:28,864 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 04:31:28,870 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 04:31:28,874 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-28 04:31:28,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:31:28,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:31:28,880 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:31:28,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-28 04:31:28,884 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 04:31:28,885 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 04:31:28,885 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 04:31:28,886 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 2*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [] [2024-11-28 04:31:28,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-28 04:31:28,902 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 04:31:28,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:28,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:28,962 WARN L254 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:31:28,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:31:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:28,981 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:31:28,982 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:31:29,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-28 04:31:29,096 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 04:31:29,139 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-28 04:31:29,141 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:31:29,225 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 25 states and 35 transitions. Complement of second has 6 states. [2024-11-28 04:31:29,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-28 04:31:29,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:31:29,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2024-11-28 04:31:29,241 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-28 04:31:29,242 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:31:29,242 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-28 04:31:29,243 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:31:29,243 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 2 letters. Loop has 8 letters. [2024-11-28 04:31:29,243 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:31:29,244 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 35 transitions. [2024-11-28 04:31:29,246 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-28 04:31:29,249 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 11 states and 14 transitions. [2024-11-28 04:31:29,251 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-11-28 04:31:29,251 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-11-28 04:31:29,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2024-11-28 04:31:29,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 04:31:29,252 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2024-11-28 04:31:29,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2024-11-28 04:31:29,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-11-28 04:31:29,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:31:29,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2024-11-28 04:31:29,277 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2024-11-28 04:31:29,277 INFO L425 stractBuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2024-11-28 04:31:29,277 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 04:31:29,277 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2024-11-28 04:31:29,278 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-28 04:31:29,278 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:31:29,278 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:31:29,278 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-28 04:31:29,279 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 04:31:29,279 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume main_~x~0#1 >= 0 && main_~y~0#1 > 0;" "main_~y~0#1 := 1;" [2024-11-28 04:31:29,279 INFO L749 eck$LassoCheckResult]: Loop: "assume (main_~x~0#1 > main_~y~0#1 && main_~y~0#1 > 0) && main_~y~0#1 < 1073741824;" "main_~y~0#1 := 2 * main_~y~0#1;" [2024-11-28 04:31:29,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:29,280 INFO L85 PathProgramCache]: Analyzing trace with hash 925703, now seen corresponding path program 1 times [2024-11-28 04:31:29,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:31:29,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983915090] [2024-11-28 04:31:29,280 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:29,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:31:29,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:31:29,286 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:31:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:31:29,290 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:31:29,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:29,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1541, now seen corresponding path program 1 times [2024-11-28 04:31:29,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:31:29,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496925400] [2024-11-28 04:31:29,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:29,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:31:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:31:29,297 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:31:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:31:29,302 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:31:29,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:29,303 INFO L85 PathProgramCache]: Analyzing trace with hash 889601163, now seen corresponding path program 1 times [2024-11-28 04:31:29,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:31:29,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358625404] [2024-11-28 04:31:29,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:29,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:31:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:31:29,311 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:31:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:31:29,316 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:31:29,365 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:31:29,366 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:31:29,366 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:31:29,366 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:31:29,366 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 04:31:29,366 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:31:29,366 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:31:29,366 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:31:29,366 INFO L132 ssoRankerPreferences]: Filename of dumped script: c.01_assume.c_Iteration2_Loop [2024-11-28 04:31:29,366 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:31:29,366 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:31:29,368 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:31:29,374 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:31:29,392 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:31:29,466 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:31:29,467 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 04:31:29,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:31:29,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:31:29,470 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:31:29,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-28 04:31:29,477 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:31:29,477 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:31:29,502 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 04:31:29,502 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 04:31:29,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-28 04:31:29,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:31:29,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:31:29,523 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:31:29,528 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:31:29,529 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:31:29,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-28 04:31:29,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-28 04:31:29,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:31:29,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:31:29,567 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:31:29,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-28 04:31:29,572 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 04:31:29,572 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:31:29,610 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 04:31:29,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-28 04:31:29,614 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:31:29,614 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:31:29,614 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:31:29,614 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:31:29,614 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 04:31:29,614 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:31:29,615 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:31:29,615 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:31:29,615 INFO L132 ssoRankerPreferences]: Filename of dumped script: c.01_assume.c_Iteration2_Loop [2024-11-28 04:31:29,615 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:31:29,615 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:31:29,617 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:31:29,624 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:31:29,644 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:31:29,713 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:31:29,714 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 04:31:29,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:31:29,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:31:29,717 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:31:29,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-28 04:31:29,724 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:31:29,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:31:29,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:31:29,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:31:29,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:31:29,746 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:31:29,746 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:31:29,752 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:31:29,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-28 04:31:29,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:31:29,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:31:29,770 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:31:29,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-28 04:31:29,776 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 04:31:29,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:31:29,795 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:31:29,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:31:29,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:31:29,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:31:29,797 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:31:29,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:31:29,802 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 04:31:29,807 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 04:31:29,807 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-28 04:31:29,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:31:29,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:31:29,810 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:31:29,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-28 04:31:29,816 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 04:31:29,816 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 04:31:29,816 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 04:31:29,817 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = -2*ULTIMATE.start_main_~y~0#1 + 2147483647 Supporting invariants [] [2024-11-28 04:31:29,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-28 04:31:29,832 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 04:31:29,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:29,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:31:29,865 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:31:29,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:29,882 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:31:29,883 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:31:29,916 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 04:31:29,917 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-28 04:31:29,918 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:31:29,953 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 30 transitions. Complement of second has 7 states. [2024-11-28 04:31:29,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-28 04:31:29,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:31:29,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2024-11-28 04:31:29,956 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-28 04:31:29,956 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:31:29,956 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 6 letters. Loop has 2 letters. [2024-11-28 04:31:29,956 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:31:29,956 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 4 letters. Loop has 4 letters. [2024-11-28 04:31:29,957 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:31:29,957 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2024-11-28 04:31:29,958 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-28 04:31:29,959 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 16 states and 20 transitions. [2024-11-28 04:31:29,959 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-11-28 04:31:29,960 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-11-28 04:31:29,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 20 transitions. [2024-11-28 04:31:29,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 04:31:29,960 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 20 transitions. [2024-11-28 04:31:29,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 20 transitions. [2024-11-28 04:31:29,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 11. [2024-11-28 04:31:29,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 10 states have internal predecessors, (13), 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 04:31:29,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2024-11-28 04:31:29,962 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 13 transitions. [2024-11-28 04:31:29,962 INFO L425 stractBuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2024-11-28 04:31:29,963 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-28 04:31:29,963 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 13 transitions. [2024-11-28 04:31:29,963 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-28 04:31:29,963 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:31:29,964 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:31:29,964 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1] [2024-11-28 04:31:29,964 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 04:31:29,965 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume main_~x~0#1 >= 0 && main_~y~0#1 > 0;" "main_~y~0#1 := 1;" "assume !((main_~x~0#1 > main_~y~0#1 && main_~y~0#1 > 0) && main_~y~0#1 < 1073741824);" "main_~x~0#1 := main_~x~0#1 - 1;" "assume main_~x~0#1 >= 0 && main_~y~0#1 > 0;" "main_~y~0#1 := 1;" [2024-11-28 04:31:29,965 INFO L749 eck$LassoCheckResult]: Loop: "assume (main_~x~0#1 > main_~y~0#1 && main_~y~0#1 > 0) && main_~y~0#1 < 1073741824;" "main_~y~0#1 := 2 * main_~y~0#1;" [2024-11-28 04:31:29,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:29,965 INFO L85 PathProgramCache]: Analyzing trace with hash 208289425, now seen corresponding path program 2 times [2024-11-28 04:31:29,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:31:29,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474522979] [2024-11-28 04:31:29,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:29,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:31:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:31:29,975 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:31:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:31:29,982 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:31:29,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:29,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1541, now seen corresponding path program 2 times [2024-11-28 04:31:29,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:31:29,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672573680] [2024-11-28 04:31:29,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:29,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:31:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:31:29,989 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:31:29,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:31:29,994 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:31:29,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:29,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1697324907, now seen corresponding path program 1 times [2024-11-28 04:31:29,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:31:29,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205665516] [2024-11-28 04:31:29,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:29,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:31:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:30,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 04:31:30,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205665516] [2024-11-28 04:31:30,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205665516] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:31:30,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1541376997] [2024-11-28 04:31:30,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:30,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:31:30,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:31:30,172 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:31:30,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-28 04:31:30,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:30,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 04:31:30,223 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:31:30,429 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:31:30,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1541376997] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:31:30,569 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:31:30,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-28 04:31:30,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716765823] [2024-11-28 04:31:30,571 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:31:30,617 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:31:30,617 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:31:30,617 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:31:30,617 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:31:30,618 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 04:31:30,618 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:31:30,618 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:31:30,618 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:31:30,618 INFO L132 ssoRankerPreferences]: Filename of dumped script: c.01_assume.c_Iteration3_Loop [2024-11-28 04:31:30,618 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:31:30,618 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:31:30,620 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:31:30,625 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:31:30,641 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:31:30,705 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:31:30,705 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 04:31:30,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:31:30,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:31:30,712 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:31:30,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-28 04:31:30,715 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:31:30,716 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:31:30,747 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 04:31:30,747 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 04:31:30,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-28 04:31:30,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:31:30,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:31:30,761 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:31:30,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-28 04:31:30,765 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:31:30,765 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:31:30,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-11-28 04:31:30,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:31:30,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:31:30,793 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:31:30,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-28 04:31:30,796 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 04:31:30,796 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:31:30,827 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 04:31:30,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-28 04:31:30,831 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:31:30,831 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:31:30,831 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:31:30,831 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:31:30,831 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 04:31:30,831 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:31:30,831 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:31:30,831 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:31:30,831 INFO L132 ssoRankerPreferences]: Filename of dumped script: c.01_assume.c_Iteration3_Loop [2024-11-28 04:31:30,831 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:31:30,831 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:31:30,832 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:31:30,840 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:31:30,854 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:31:30,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-28 04:31:30,957 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:31:30,958 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 04:31:30,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:31:30,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:31:30,960 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:31:30,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-28 04:31:30,965 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 04:31:30,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:31:30,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:31:30,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:31:30,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:31:30,987 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:31:30,987 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:31:30,993 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:31:31,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-28 04:31:31,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:31:31,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:31:31,009 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:31:31,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-28 04:31:31,015 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 04:31:31,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:31:31,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:31:31,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:31:31,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:31:31,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:31:31,035 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:31:31,035 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:31:31,042 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 04:31:31,047 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 04:31:31,047 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-28 04:31:31,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:31:31,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:31:31,050 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:31:31,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-28 04:31:31,055 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 04:31:31,056 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 04:31:31,056 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 04:31:31,057 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = -2*ULTIMATE.start_main_~y~0#1 + 2147483647 Supporting invariants [] [2024-11-28 04:31:31,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-28 04:31:31,069 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 04:31:31,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:31,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:31,106 INFO L256 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:31:31,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:31:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:31,131 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:31:31,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:31:31,162 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 04:31:31,163 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-28 04:31:31,163 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 13 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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 04:31:31,206 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 13 transitions. cyclomatic complexity: 4. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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 19 states and 23 transitions. Complement of second has 7 states. [2024-11-28 04:31:31,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-28 04:31:31,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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 04:31:31,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2024-11-28 04:31:31,211 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 8 letters. Loop has 2 letters. [2024-11-28 04:31:31,212 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:31:31,212 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 04:31:31,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:31,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:31:31,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:31:31,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:31,286 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:31:31,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:31:31,318 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 04:31:31,320 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-28 04:31:31,320 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 13 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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 04:31:31,354 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 13 transitions. cyclomatic complexity: 4. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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 19 states and 23 transitions. Complement of second has 7 states. [2024-11-28 04:31:31,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-28 04:31:31,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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 04:31:31,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2024-11-28 04:31:31,358 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 8 letters. Loop has 2 letters. [2024-11-28 04:31:31,358 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:31:31,358 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 04:31:31,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:31,393 INFO L256 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:31:31,393 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:31:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:31,425 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:31:31,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:31:31,463 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 04:31:31,464 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-28 04:31:31,464 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 13 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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 04:31:31,504 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 13 transitions. cyclomatic complexity: 4. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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 16 states and 19 transitions. Complement of second has 6 states. [2024-11-28 04:31:31,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-28 04:31:31,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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 04:31:31,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-11-28 04:31:31,506 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 8 letters. Loop has 2 letters. [2024-11-28 04:31:31,506 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:31:31,507 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 10 letters. Loop has 2 letters. [2024-11-28 04:31:31,507 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:31:31,507 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 8 letters. Loop has 4 letters. [2024-11-28 04:31:31,507 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:31:31,508 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2024-11-28 04:31:31,508 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 04:31:31,509 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2024-11-28 04:31:31,509 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-28 04:31:31,509 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-28 04:31:31,509 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-28 04:31:31,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 04:31:31,510 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 04:31:31,510 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 04:31:31,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 04:31:31,512 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 04:31:31,513 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:31:31,514 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 12 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 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 04:31:31,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:31:31,517 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-11-28 04:31:31,518 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-11-28 04:31:31,518 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 04:31:31,518 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 04:31:31,518 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-28 04:31:31,518 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-28 04:31:31,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-28 04:31:31,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 04:31:31,518 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 04:31:31,518 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 04:31:31,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:31:31,519 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 04:31:31,519 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-28 04:31:31,519 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-28 04:31:31,520 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 04:31:31,520 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-28 04:31:31,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 04:31:31 BoogieIcfgContainer [2024-11-28 04:31:31,531 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 04:31:31,532 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:31:31,532 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:31:31,532 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:31:31,533 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:31:27" (3/4) ... [2024-11-28 04:31:31,536 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 04:31:31,537 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:31:31,538 INFO L158 Benchmark]: Toolchain (without parser) took 4761.65ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 70.3MB in the end (delta: 22.5MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2024-11-28 04:31:31,538 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:31:31,539 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.93ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 82.7MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:31:31,539 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.67ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 81.8MB in the end (delta: 843.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:31:31,540 INFO L158 Benchmark]: Boogie Preprocessor took 39.07ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.9MB in the end (delta: 987.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:31:31,542 INFO L158 Benchmark]: RCFGBuilder took 309.26ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 72.3MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:31:31,542 INFO L158 Benchmark]: BuchiAutomizer took 4053.26ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 70.4MB in the end (delta: 2.0MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2024-11-28 04:31:31,542 INFO L158 Benchmark]: Witness Printer took 5.45ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 70.3MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:31:31,544 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 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.93ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 82.7MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.67ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 81.8MB in the end (delta: 843.4kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.07ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.9MB in the end (delta: 987.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 309.26ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 72.3MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 4053.26ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 70.4MB in the end (delta: 2.0MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * Witness Printer took 5.45ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 70.3MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (1 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function (((long) 2 * x) + 1) and consists of 4 locations. One deterministic module has affine ranking function (2147483647 + ((long) -2 * y)) and consists of 4 locations. One nondeterministic module has affine ranking function (2147483647 + ((long) -2 * y)) and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 12 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.9s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 2.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 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 [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 41 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 37 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 46 IncrementalHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 28 mSDtfsCounter, 46 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax165 hnf100 lsp53 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq137 hnf95 smp100 dnf100 smp100 tf109 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 60ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-28 04:31:31,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-28 04:31:31,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-28 04:31:31,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0caa725-bb10-4f13-b364-3529b7e254db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE