./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-invgen/nested6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-invgen/nested6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 327b0d5e70f014fe291a4771fe2bbb17cb1148e77fe8f6a261d10a47df8adacc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:40:24,612 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:40:24,727 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-13 13:40:24,733 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:40:24,734 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:40:24,764 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:40:24,765 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:40:24,765 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:40:24,766 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:40:24,766 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:40:24,767 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:40:24,767 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:40:24,767 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:40:24,767 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-13 13:40:24,767 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-13 13:40:24,767 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-13 13:40:24,767 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-13 13:40:24,768 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-13 13:40:24,768 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-13 13:40:24,768 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:40:24,768 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-13 13:40:24,768 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:40:24,768 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:40:24,768 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:40:24,769 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:40:24,769 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-13 13:40:24,769 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-13 13:40:24,769 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-13 13:40:24,769 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:40:24,769 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:40:24,769 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:40:24,770 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:40:24,770 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-13 13:40:24,770 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:40:24,771 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:40:24,771 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:40:24,771 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:40:24,771 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:40:24,772 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-13 13:40:24,772 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_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 327b0d5e70f014fe291a4771fe2bbb17cb1148e77fe8f6a261d10a47df8adacc [2024-11-13 13:40:25,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:40:25,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:40:25,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:40:25,217 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:40:25,217 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:40:25,221 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/loop-invgen/nested6.i Unable to find full path for "g++" [2024-11-13 13:40:27,677 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:40:28,018 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:40:28,021 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/sv-benchmarks/c/loop-invgen/nested6.i [2024-11-13 13:40:28,032 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/data/12f2ae096/b9a0777f53494f97ab7369083044d8fd/FLAGf3646daf8 [2024-11-13 13:40:28,271 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/data/12f2ae096/b9a0777f53494f97ab7369083044d8fd [2024-11-13 13:40:28,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:40:28,279 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:40:28,281 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:40:28,283 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:40:28,289 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:40:28,290 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:40:28" (1/1) ... [2024-11-13 13:40:28,291 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@309c428a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:28, skipping insertion in model container [2024-11-13 13:40:28,295 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:40:28" (1/1) ... [2024-11-13 13:40:28,317 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:40:28,549 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:40:28,563 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:40:28,591 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:40:28,615 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:40:28,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:28 WrapperNode [2024-11-13 13:40:28,616 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:40:28,617 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:40:28,618 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:40:28,618 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:40:28,627 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:28" (1/1) ... [2024-11-13 13:40:28,639 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:28" (1/1) ... [2024-11-13 13:40:28,670 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 6, calls inlined = 8, statements flattened = 78 [2024-11-13 13:40:28,672 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:40:28,673 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:40:28,673 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:40:28,673 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:40:28,686 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:28" (1/1) ... [2024-11-13 13:40:28,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:28" (1/1) ... [2024-11-13 13:40:28,688 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:28" (1/1) ... [2024-11-13 13:40:28,711 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 13:40:28,711 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:28" (1/1) ... [2024-11-13 13:40:28,712 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:28" (1/1) ... [2024-11-13 13:40:28,720 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:28" (1/1) ... [2024-11-13 13:40:28,725 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:28" (1/1) ... [2024-11-13 13:40:28,729 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:28" (1/1) ... [2024-11-13 13:40:28,730 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:28" (1/1) ... [2024-11-13 13:40:28,734 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:40:28,735 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:40:28,736 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:40:28,736 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:40:28,737 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:28" (1/1) ... [2024-11-13 13:40:28,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:28,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:28,789 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:28,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-13 13:40:28,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:40:28,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 13:40:28,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:40:28,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:40:28,930 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:40:28,933 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:40:29,193 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-13 13:40:29,193 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:40:29,210 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:40:29,210 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 13:40:29,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:40:29 BoogieIcfgContainer [2024-11-13 13:40:29,211 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:40:29,214 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-13 13:40:29,214 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-13 13:40:29,220 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-13 13:40:29,221 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 13:40:29,221 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 01:40:28" (1/3) ... [2024-11-13 13:40:29,223 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@12759ef0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 01:40:29, skipping insertion in model container [2024-11-13 13:40:29,223 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 13:40:29,224 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:28" (2/3) ... [2024-11-13 13:40:29,224 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@12759ef0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 01:40:29, skipping insertion in model container [2024-11-13 13:40:29,224 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 13:40:29,224 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:40:29" (3/3) ... [2024-11-13 13:40:29,227 INFO L333 chiAutomizerObserver]: Analyzing ICFG nested6.i [2024-11-13 13:40:29,326 INFO L299 stractBuchiCegarLoop]: Interprodecural is true [2024-11-13 13:40:29,327 INFO L300 stractBuchiCegarLoop]: Hoare is None [2024-11-13 13:40:29,327 INFO L301 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-13 13:40:29,327 INFO L302 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-13 13:40:29,327 INFO L303 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-13 13:40:29,328 INFO L304 stractBuchiCegarLoop]: Difference is false [2024-11-13 13:40:29,329 INFO L305 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-13 13:40:29,329 INFO L309 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-13 13:40:29,337 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 30 states, 29 states have (on average 1.5172413793103448) internal successors, (44), 29 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:29,363 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 21 [2024-11-13 13:40:29,364 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 13:40:29,364 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 13:40:29,370 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-13 13:40:29,370 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-13 13:40:29,370 INFO L331 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-13 13:40:29,371 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 30 states, 29 states have (on average 1.5172413793103448) internal successors, (44), 29 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:29,373 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 21 [2024-11-13 13:40:29,373 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 13:40:29,373 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 13:40:29,374 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-13 13:40:29,374 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-13 13:40:29,383 INFO L745 eck$LassoCheckResult]: Stem: 29#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~post4#1, main_#t~post5#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~n~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~n~0#1;havoc main_#t~nondet1#1;main_~k~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~n~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 27#L28true assume !!(main_~n~0#1 < 1000000); 21#L29true assume main_~k~0#1 == main_~n~0#1; 22#L29-1true main_~i~0#1 := 0; 23#L33-2true [2024-11-13 13:40:29,384 INFO L747 eck$LassoCheckResult]: Loop: 23#L33-2true assume !!(main_~i~0#1 < main_~n~0#1);main_~j~0#1 := 2 * main_~i~0#1; 7#L34-2true assume !true; 17#L34-3true main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23#L33-2true [2024-11-13 13:40:29,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:29,391 INFO L85 PathProgramCache]: Analyzing trace with hash 28695784, now seen corresponding path program 1 times [2024-11-13 13:40:29,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:29,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418677941] [2024-11-13 13:40:29,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:29,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:29,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:40:29,492 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:40:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:40:29,529 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:40:29,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:29,533 INFO L85 PathProgramCache]: Analyzing trace with hash 54167, now seen corresponding path program 1 times [2024-11-13 13:40:29,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:29,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112837820] [2024-11-13 13:40:29,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:29,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:29,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:29,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:29,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112837820] [2024-11-13 13:40:29,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112837820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:40:29,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:40:29,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:40:29,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517852124] [2024-11-13 13:40:29,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:40:29,597 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-13 13:40:29,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:29,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:40:29,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:40:29,635 INFO L87 Difference]: Start difference. First operand has 30 states, 29 states have (on average 1.5172413793103448) internal successors, (44), 29 states have internal predecessors, (44), 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 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:29,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:40:29,642 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2024-11-13 13:40:29,644 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 32 transitions. [2024-11-13 13:40:29,645 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2024-11-13 13:40:29,652 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 17 states and 20 transitions. [2024-11-13 13:40:29,653 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2024-11-13 13:40:29,653 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2024-11-13 13:40:29,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 20 transitions. [2024-11-13 13:40:29,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 13:40:29,655 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 20 transitions. [2024-11-13 13:40:29,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 20 transitions. [2024-11-13 13:40:29,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-11-13 13:40:29,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:29,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2024-11-13 13:40:29,680 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 20 transitions. [2024-11-13 13:40:29,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:40:29,688 INFO L424 stractBuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2024-11-13 13:40:29,688 INFO L331 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-13 13:40:29,688 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2024-11-13 13:40:29,689 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2024-11-13 13:40:29,691 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 13:40:29,691 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 13:40:29,691 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-13 13:40:29,691 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-13 13:40:29,692 INFO L745 eck$LassoCheckResult]: Stem: 81#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 71#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~post4#1, main_#t~post5#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~n~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~n~0#1;havoc main_#t~nondet1#1;main_~k~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~n~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 72#L28 assume !!(main_~n~0#1 < 1000000); 67#L29 assume main_~k~0#1 == main_~n~0#1; 68#L29-1 main_~i~0#1 := 0; 69#L33-2 [2024-11-13 13:40:29,693 INFO L747 eck$LassoCheckResult]: Loop: 69#L33-2 assume !!(main_~i~0#1 < main_~n~0#1);main_~j~0#1 := 2 * main_~i~0#1; 70#L34-2 assume !(main_~j~0#1 < main_~n~0#1); 73#L34-3 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 69#L33-2 [2024-11-13 13:40:29,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:29,694 INFO L85 PathProgramCache]: Analyzing trace with hash 28695784, now seen corresponding path program 2 times [2024-11-13 13:40:29,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:29,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790010766] [2024-11-13 13:40:29,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:29,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:40:29,712 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:40:29,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:40:29,721 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:40:29,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:29,722 INFO L85 PathProgramCache]: Analyzing trace with hash 51904, now seen corresponding path program 1 times [2024-11-13 13:40:29,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:29,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432896732] [2024-11-13 13:40:29,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:29,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:29,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:40:29,733 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:40:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:40:29,741 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:40:29,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:29,742 INFO L85 PathProgramCache]: Analyzing trace with hash 177631353, now seen corresponding path program 1 times [2024-11-13 13:40:29,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:29,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316611331] [2024-11-13 13:40:29,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:29,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:29,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:29,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:29,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316611331] [2024-11-13 13:40:29,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316611331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:40:29,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:40:29,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:40:29,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597262352] [2024-11-13 13:40:29,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:40:29,983 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 13:40:29,984 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 13:40:29,985 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 13:40:29,985 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 13:40:29,985 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-13 13:40:29,985 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:29,986 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 13:40:29,986 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 13:40:29,986 INFO L132 ssoRankerPreferences]: Filename of dumped script: nested6.i_Iteration2_Loop [2024-11-13 13:40:29,986 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 13:40:29,987 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 13:40:30,004 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:30,037 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:30,043 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:30,122 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 13:40:30,123 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-13 13:40:30,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:30,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:30,127 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:30,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-13 13:40:30,130 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 13:40:30,130 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 13:40:30,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-13 13:40:30,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:30,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:30,167 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:30,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-13 13:40:30,170 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 13:40:30,170 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 13:40:30,298 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-13 13:40:30,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-13 13:40:30,303 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 13:40:30,303 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 13:40:30,303 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 13:40:30,303 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 13:40:30,303 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 13:40:30,303 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:30,303 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 13:40:30,303 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 13:40:30,303 INFO L132 ssoRankerPreferences]: Filename of dumped script: nested6.i_Iteration2_Loop [2024-11-13 13:40:30,303 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 13:40:30,303 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 13:40:30,305 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:30,333 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:30,338 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:30,431 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 13:40:30,439 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 13:40:30,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:30,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:30,443 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:30,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-13 13:40:30,447 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:40:30,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:40:30,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:40:30,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:40:30,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:40:30,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:40:30,476 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:40:30,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:40:30,483 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 13:40:30,490 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-13 13:40:30,494 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-13 13:40:30,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:30,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:30,498 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:30,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-13 13:40:30,502 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 13:40:30,503 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-13 13:40:30,503 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 13:40:30,504 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~n~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-11-13 13:40:30,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-13 13:40:30,536 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-13 13:40:30,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:30,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 13:40:30,622 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:40:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:30,651 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 13:40:30,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:40:30,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:30,696 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-13 13:40:30,697 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:30,793 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 4. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 38 transitions. Complement of second has 4 states. [2024-11-13 13:40:30,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-13 13:40:30,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:30,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 20 transitions. [2024-11-13 13:40:30,805 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 5 letters. Loop has 3 letters. [2024-11-13 13:40:30,806 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 13:40:30,808 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 8 letters. Loop has 3 letters. [2024-11-13 13:40:30,808 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 13:40:30,808 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 5 letters. Loop has 6 letters. [2024-11-13 13:40:30,809 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 13:40:30,809 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 38 transitions. [2024-11-13 13:40:30,812 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2024-11-13 13:40:30,813 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 29 states and 36 transitions. [2024-11-13 13:40:30,815 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2024-11-13 13:40:30,815 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2024-11-13 13:40:30,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 36 transitions. [2024-11-13 13:40:30,815 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 13:40:30,815 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29 states and 36 transitions. [2024-11-13 13:40:30,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 36 transitions. [2024-11-13 13:40:30,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2024-11-13 13:40:30,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.25) internal successors, (35), 27 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:30,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2024-11-13 13:40:30,821 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 35 transitions. [2024-11-13 13:40:30,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:30,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:40:30,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:40:30,825 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:30,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:40:30,914 INFO L93 Difference]: Finished difference Result 51 states and 63 transitions. [2024-11-13 13:40:30,914 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 63 transitions. [2024-11-13 13:40:30,916 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 20 [2024-11-13 13:40:30,919 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 51 states and 63 transitions. [2024-11-13 13:40:30,920 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2024-11-13 13:40:30,921 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2024-11-13 13:40:30,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 63 transitions. [2024-11-13 13:40:30,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 13:40:30,922 INFO L218 hiAutomatonCegarLoop]: Abstraction has 51 states and 63 transitions. [2024-11-13 13:40:30,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 63 transitions. [2024-11-13 13:40:30,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 29. [2024-11-13 13:40:30,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 28 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:30,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2024-11-13 13:40:30,927 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 36 transitions. [2024-11-13 13:40:30,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:40:30,929 INFO L424 stractBuchiCegarLoop]: Abstraction has 29 states and 36 transitions. [2024-11-13 13:40:30,930 INFO L331 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-13 13:40:30,930 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 36 transitions. [2024-11-13 13:40:30,931 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2024-11-13 13:40:30,933 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 13:40:30,933 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 13:40:30,934 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-13 13:40:30,934 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-13 13:40:30,934 INFO L745 eck$LassoCheckResult]: Stem: 263#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 247#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~post4#1, main_#t~post5#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~n~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~n~0#1;havoc main_#t~nondet1#1;main_~k~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~n~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 248#L28 assume !!(main_~n~0#1 < 1000000); 240#L29 assume main_~k~0#1 == main_~n~0#1; 241#L29-1 main_~i~0#1 := 0; 242#L33-2 assume !!(main_~i~0#1 < main_~n~0#1);main_~j~0#1 := 2 * main_~i~0#1; 244#L34-2 [2024-11-13 13:40:30,935 INFO L747 eck$LassoCheckResult]: Loop: 244#L34-2 assume !!(main_~j~0#1 < main_~n~0#1);havoc main_#t~nondet3#1; 249#L35 assume 0 != main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~k~0#1 := main_~j~0#1; 255#L36-2 assume !(main_~k~0#1 < main_~n~0#1); 252#L35-1 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 244#L34-2 [2024-11-13 13:40:30,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:30,935 INFO L85 PathProgramCache]: Analyzing trace with hash 889569326, now seen corresponding path program 1 times [2024-11-13 13:40:30,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:30,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33639471] [2024-11-13 13:40:30,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:30,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:30,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:40:30,961 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:40:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:40:30,976 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:40:30,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:30,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1850272, now seen corresponding path program 1 times [2024-11-13 13:40:30,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:30,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308926244] [2024-11-13 13:40:30,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:30,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:30,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:31,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:31,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:31,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308926244] [2024-11-13 13:40:31,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308926244] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:40:31,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:40:31,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:40:31,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148658650] [2024-11-13 13:40:31,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:40:31,060 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-13 13:40:31,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:31,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:40:31,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:40:31,062 INFO L87 Difference]: Start difference. First operand 29 states and 36 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:31,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:40:31,133 INFO L93 Difference]: Finished difference Result 31 states and 38 transitions. [2024-11-13 13:40:31,134 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 38 transitions. [2024-11-13 13:40:31,135 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2024-11-13 13:40:31,135 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 38 transitions. [2024-11-13 13:40:31,139 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2024-11-13 13:40:31,140 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2024-11-13 13:40:31,140 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 38 transitions. [2024-11-13 13:40:31,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 13:40:31,140 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 38 transitions. [2024-11-13 13:40:31,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 38 transitions. [2024-11-13 13:40:31,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2024-11-13 13:40:31,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 30 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:31,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2024-11-13 13:40:31,143 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 38 transitions. [2024-11-13 13:40:31,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:40:31,148 INFO L424 stractBuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2024-11-13 13:40:31,148 INFO L331 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-13 13:40:31,148 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 38 transitions. [2024-11-13 13:40:31,149 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2024-11-13 13:40:31,149 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 13:40:31,149 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 13:40:31,149 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-13 13:40:31,149 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:40:31,149 INFO L745 eck$LassoCheckResult]: Stem: 334#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 316#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~post4#1, main_#t~post5#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~n~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~n~0#1;havoc main_#t~nondet1#1;main_~k~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~n~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 317#L28 assume !!(main_~n~0#1 < 1000000); 309#L29 assume main_~k~0#1 == main_~n~0#1; 310#L29-1 main_~i~0#1 := 0; 311#L33-2 assume !!(main_~i~0#1 < main_~n~0#1);main_~j~0#1 := 2 * main_~i~0#1; 313#L34-2 [2024-11-13 13:40:31,150 INFO L747 eck$LassoCheckResult]: Loop: 313#L34-2 assume !!(main_~j~0#1 < main_~n~0#1);havoc main_#t~nondet3#1; 318#L35 assume 0 != main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~k~0#1 := main_~j~0#1; 324#L36-2 assume !!(main_~k~0#1 < main_~n~0#1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~k~0#1 >= 2 * main_~i~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 325#L18 assume !(0 == __VERIFIER_assert_~cond#1); 328#L18-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post4#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 330#L36-2 assume !(main_~k~0#1 < main_~n~0#1); 321#L35-1 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 313#L34-2 [2024-11-13 13:40:31,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:31,150 INFO L85 PathProgramCache]: Analyzing trace with hash 889569326, now seen corresponding path program 2 times [2024-11-13 13:40:31,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:31,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387905774] [2024-11-13 13:40:31,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:31,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:31,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:40:31,169 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:40:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:40:31,184 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:40:31,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:31,188 INFO L85 PathProgramCache]: Analyzing trace with hash -712528412, now seen corresponding path program 1 times [2024-11-13 13:40:31,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:31,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181753466] [2024-11-13 13:40:31,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:31,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:31,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:40:31,221 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:40:31,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:40:31,246 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:40:31,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:31,246 INFO L85 PathProgramCache]: Analyzing trace with hash 85905687, now seen corresponding path program 1 times [2024-11-13 13:40:31,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:31,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007054825] [2024-11-13 13:40:31,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:31,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:40:31,274 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:40:31,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:40:31,300 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:40:31,453 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 13:40:31,453 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 13:40:31,453 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 13:40:31,453 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 13:40:31,453 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-13 13:40:31,453 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:31,453 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 13:40:31,453 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 13:40:31,454 INFO L132 ssoRankerPreferences]: Filename of dumped script: nested6.i_Iteration4_Loop [2024-11-13 13:40:31,454 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 13:40:31,454 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 13:40:31,455 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:31,461 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:31,465 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:31,469 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:31,474 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:31,478 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:31,596 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 13:40:31,596 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-13 13:40:31,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:31,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:31,599 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:31,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-13 13:40:31,603 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 13:40:31,603 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 13:40:31,627 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 13:40:31,628 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post4#1=0} Honda state: {ULTIMATE.start_main_#t~post4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 13:40:31,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-13 13:40:31,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:31,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:31,654 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:31,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-13 13:40:31,658 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 13:40:31,658 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 13:40:31,679 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 13:40:31,680 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_~cond#1=0} Honda state: {ULTIMATE.start___VERIFIER_assert_~cond#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 13:40:31,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-13 13:40:31,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:31,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:31,706 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:31,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-13 13:40:31,711 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 13:40:31,711 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 13:40:31,732 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 13:40:31,732 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Honda state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 13:40:31,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-13 13:40:31,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:31,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:31,759 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:31,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-13 13:40:31,767 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 13:40:31,767 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 13:40:31,792 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 13:40:31,792 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3#1=0} Honda state: {ULTIMATE.start_main_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 13:40:31,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-13 13:40:31,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:31,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:31,810 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:31,813 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 13:40:31,813 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 13:40:31,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-13 13:40:31,832 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 13:40:31,833 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post5#1=0} Honda state: {ULTIMATE.start_main_#t~post5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 13:40:31,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-13 13:40:31,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:31,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:31,851 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:31,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-13 13:40:31,853 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 13:40:31,853 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 13:40:31,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-13 13:40:31,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:31,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:31,899 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:31,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-13 13:40:31,903 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 13:40:31,903 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 13:40:32,393 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-13 13:40:32,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-13 13:40:32,398 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 13:40:32,398 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 13:40:32,398 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 13:40:32,398 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 13:40:32,398 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 13:40:32,398 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:32,398 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 13:40:32,398 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 13:40:32,398 INFO L132 ssoRankerPreferences]: Filename of dumped script: nested6.i_Iteration4_Loop [2024-11-13 13:40:32,398 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 13:40:32,398 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 13:40:32,400 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:32,405 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:32,408 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:32,412 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:32,416 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:32,419 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:32,531 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 13:40:32,531 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 13:40:32,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:32,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:32,536 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:32,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-13 13:40:32,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:40:32,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:40:32,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:40:32,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:40:32,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:40:32,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:40:32,558 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:40:32,558 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:40:32,561 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:40:32,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-13 13:40:32,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:32,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:32,587 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:32,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-13 13:40:32,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:40:32,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:40:32,607 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:40:32,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:40:32,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:40:32,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:40:32,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:40:32,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:40:32,611 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:40:32,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-13 13:40:32,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:32,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:32,629 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:32,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-13 13:40:32,632 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:40:32,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:40:32,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:40:32,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:40:32,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:40:32,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:40:32,651 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:40:32,651 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:40:32,654 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:40:32,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-13 13:40:32,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:32,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:32,677 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:32,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-13 13:40:32,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:40:32,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:40:32,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:40:32,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:40:32,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:40:32,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:40:32,695 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:40:32,695 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:40:32,697 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:40:32,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-13 13:40:32,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:32,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:32,714 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:32,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-13 13:40:32,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:40:32,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:40:32,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:40:32,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:40:32,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:40:32,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:40:32,732 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:40:32,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:40:32,735 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:40:32,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-13 13:40:32,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:32,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:32,761 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:32,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-13 13:40:32,763 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:40:32,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:40:32,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:40:32,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:40:32,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:40:32,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:40:32,780 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:40:32,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:40:32,785 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 13:40:32,794 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-13 13:40:32,794 INFO L444 ModelExtractionUtils]: 2 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-13 13:40:32,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:32,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:32,799 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:32,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-13 13:40:32,801 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 13:40:32,801 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-13 13:40:32,801 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 13:40:32,801 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0#1, ULTIMATE.start_main_~j~0#1) = 1*ULTIMATE.start_main_~n~0#1 - 1*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2024-11-13 13:40:32,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-13 13:40:32,827 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-13 13:40:32,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:32,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 13:40:32,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:40:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:32,898 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 13:40:32,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:40:32,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:40:32,984 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-13 13:40:32,984 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 38 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2024-11-13 13:40:33,035 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 38 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) Result 74 states and 92 transitions. Complement of second has 5 states. [2024-11-13 13:40:33,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-13 13:40:33,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2024-11-13 13:40:33,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2024-11-13 13:40:33,037 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 6 letters. Loop has 7 letters. [2024-11-13 13:40:33,037 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 13:40:33,037 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 13 letters. Loop has 7 letters. [2024-11-13 13:40:33,037 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 13:40:33,038 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 6 letters. Loop has 14 letters. [2024-11-13 13:40:33,038 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 13:40:33,038 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 74 states and 92 transitions. [2024-11-13 13:40:33,039 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2024-11-13 13:40:33,040 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 74 states to 59 states and 73 transitions. [2024-11-13 13:40:33,040 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2024-11-13 13:40:33,041 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2024-11-13 13:40:33,041 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 73 transitions. [2024-11-13 13:40:33,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 13:40:33,041 INFO L218 hiAutomatonCegarLoop]: Abstraction has 59 states and 73 transitions. [2024-11-13 13:40:33,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 73 transitions. [2024-11-13 13:40:33,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 47. [2024-11-13 13:40:33,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 47 states have (on average 1.2340425531914894) internal successors, (58), 46 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:33,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 58 transitions. [2024-11-13 13:40:33,044 INFO L240 hiAutomatonCegarLoop]: Abstraction has 47 states and 58 transitions. [2024-11-13 13:40:33,045 INFO L424 stractBuchiCegarLoop]: Abstraction has 47 states and 58 transitions. [2024-11-13 13:40:33,045 INFO L331 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-13 13:40:33,045 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 47 states and 58 transitions. [2024-11-13 13:40:33,045 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2024-11-13 13:40:33,046 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 13:40:33,046 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 13:40:33,046 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:40:33,046 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-13 13:40:33,046 INFO L745 eck$LassoCheckResult]: Stem: 498#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 481#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~post4#1, main_#t~post5#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~n~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~n~0#1;havoc main_#t~nondet1#1;main_~k~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~n~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 482#L28 assume !!(main_~n~0#1 < 1000000); 473#L29 assume main_~k~0#1 == main_~n~0#1; 474#L29-1 main_~i~0#1 := 0; 475#L33-2 assume !!(main_~i~0#1 < main_~n~0#1);main_~j~0#1 := 2 * main_~i~0#1; 477#L34-2 assume !!(main_~j~0#1 < main_~n~0#1);havoc main_#t~nondet3#1; 499#L35 assume 0 != main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~k~0#1 := main_~j~0#1; 489#L36-2 [2024-11-13 13:40:33,046 INFO L747 eck$LassoCheckResult]: Loop: 489#L36-2 assume !!(main_~k~0#1 < main_~n~0#1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~k~0#1 >= 2 * main_~i~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 490#L18 assume !(0 == __VERIFIER_assert_~cond#1); 493#L18-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post4#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 489#L36-2 [2024-11-13 13:40:33,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:33,047 INFO L85 PathProgramCache]: Analyzing trace with hash 177631345, now seen corresponding path program 1 times [2024-11-13 13:40:33,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:33,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377008895] [2024-11-13 13:40:33,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:33,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:40:33,109 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:40:33,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:40:33,118 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:40:33,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:33,119 INFO L85 PathProgramCache]: Analyzing trace with hash 70955, now seen corresponding path program 1 times [2024-11-13 13:40:33,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:33,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375816168] [2024-11-13 13:40:33,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:33,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:33,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:40:33,125 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:40:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:40:33,130 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:40:33,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:33,131 INFO L85 PathProgramCache]: Analyzing trace with hash 415731387, now seen corresponding path program 1 times [2024-11-13 13:40:33,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:33,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388990727] [2024-11-13 13:40:33,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:33,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:33,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:40:33,142 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:40:33,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:40:33,152 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:40:33,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-13 13:40:33,216 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 13:40:33,217 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 13:40:33,217 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 13:40:33,217 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 13:40:33,217 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-13 13:40:33,217 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:33,217 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 13:40:33,217 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 13:40:33,217 INFO L132 ssoRankerPreferences]: Filename of dumped script: nested6.i_Iteration5_Loop [2024-11-13 13:40:33,217 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 13:40:33,217 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 13:40:33,218 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:33,225 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:33,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-13 13:40:33,239 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:33,243 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:33,286 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 13:40:33,286 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-13 13:40:33,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:33,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:33,289 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:33,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-13 13:40:33,293 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 13:40:33,293 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 13:40:33,316 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 13:40:33,316 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_~cond#1=0} Honda state: {ULTIMATE.start___VERIFIER_assert_~cond#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 13:40:33,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-13 13:40:33,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:33,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:33,342 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:33,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-13 13:40:33,345 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 13:40:33,346 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 13:40:33,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-13 13:40:33,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:33,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:33,395 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:33,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-13 13:40:33,399 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 13:40:33,399 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 13:40:33,643 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-13 13:40:33,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-13 13:40:33,647 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 13:40:33,647 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 13:40:33,647 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 13:40:33,647 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 13:40:33,647 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 13:40:33,647 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:33,647 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 13:40:33,647 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 13:40:33,647 INFO L132 ssoRankerPreferences]: Filename of dumped script: nested6.i_Iteration5_Loop [2024-11-13 13:40:33,647 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 13:40:33,647 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 13:40:33,649 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:33,656 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:33,670 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:33,675 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:33,723 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 13:40:33,723 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 13:40:33,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:33,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:33,728 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:33,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-13 13:40:33,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:40:33,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:40:33,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:40:33,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:40:33,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:40:33,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:40:33,749 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:40:33,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:40:33,752 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:40:33,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-13 13:40:33,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:33,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:33,779 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:33,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-13 13:40:33,784 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:40:33,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:40:33,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:40:33,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:40:33,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:40:33,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:40:33,803 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:40:33,803 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:40:33,808 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 13:40:33,814 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-13 13:40:33,814 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-13 13:40:33,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:33,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:33,817 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:33,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-13 13:40:33,823 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 13:40:33,823 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-13 13:40:33,823 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 13:40:33,823 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0#1, ULTIMATE.start_main_~n~0#1) = -1*ULTIMATE.start_main_~k~0#1 + 1*ULTIMATE.start_main_~n~0#1 Supporting invariants [] [2024-11-13 13:40:33,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-11-13 13:40:33,849 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-13 13:40:33,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:33,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 13:40:33,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:40:33,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:33,911 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 13:40:33,911 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:40:33,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:33,942 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-13 13:40:33,942 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 47 states and 58 transitions. cyclomatic complexity: 15 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:34,002 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 47 states and 58 transitions. cyclomatic complexity: 15. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 145 states and 180 transitions. Complement of second has 7 states. [2024-11-13 13:40:34,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-13 13:40:34,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:34,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 30 transitions. [2024-11-13 13:40:34,004 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 8 letters. Loop has 3 letters. [2024-11-13 13:40:34,004 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 13:40:34,004 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 11 letters. Loop has 3 letters. [2024-11-13 13:40:34,004 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 13:40:34,005 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 8 letters. Loop has 6 letters. [2024-11-13 13:40:34,005 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 13:40:34,005 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 145 states and 180 transitions. [2024-11-13 13:40:34,008 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 28 [2024-11-13 13:40:34,009 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 145 states to 107 states and 131 transitions. [2024-11-13 13:40:34,010 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2024-11-13 13:40:34,010 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 39 [2024-11-13 13:40:34,010 INFO L73 IsDeterministic]: Start isDeterministic. Operand 107 states and 131 transitions. [2024-11-13 13:40:34,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 13:40:34,010 INFO L218 hiAutomatonCegarLoop]: Abstraction has 107 states and 131 transitions. [2024-11-13 13:40:34,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states and 131 transitions. [2024-11-13 13:40:34,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 74. [2024-11-13 13:40:34,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 74 states have (on average 1.2162162162162162) internal successors, (90), 73 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:34,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 90 transitions. [2024-11-13 13:40:34,016 INFO L240 hiAutomatonCegarLoop]: Abstraction has 74 states and 90 transitions. [2024-11-13 13:40:34,016 INFO L424 stractBuchiCegarLoop]: Abstraction has 74 states and 90 transitions. [2024-11-13 13:40:34,016 INFO L331 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-13 13:40:34,016 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states and 90 transitions. [2024-11-13 13:40:34,017 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 21 [2024-11-13 13:40:34,017 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 13:40:34,017 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 13:40:34,018 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:40:34,018 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-13 13:40:34,018 INFO L745 eck$LassoCheckResult]: Stem: 751#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 729#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~post4#1, main_#t~post5#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~n~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~n~0#1;havoc main_#t~nondet1#1;main_~k~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~n~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 730#L28 assume !!(main_~n~0#1 < 1000000); 721#L29 assume main_~k~0#1 == main_~n~0#1; 722#L29-1 main_~i~0#1 := 0; 723#L33-2 assume !!(main_~i~0#1 < main_~n~0#1);main_~j~0#1 := 2 * main_~i~0#1; 725#L34-2 assume !!(main_~j~0#1 < main_~n~0#1);havoc main_#t~nondet3#1; 731#L35 assume 0 != main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~k~0#1 := main_~j~0#1; 739#L36-2 assume !!(main_~k~0#1 < main_~n~0#1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~k~0#1 >= 2 * main_~i~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 740#L18 assume !(0 == __VERIFIER_assert_~cond#1); 743#L18-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post4#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 788#L36-2 assume !(main_~k~0#1 < main_~n~0#1); 736#L35-1 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 783#L34-2 assume !!(main_~j~0#1 < main_~n~0#1);havoc main_#t~nondet3#1; 758#L35 assume 0 != main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~k~0#1 := main_~j~0#1; 746#L36-2 [2024-11-13 13:40:34,018 INFO L747 eck$LassoCheckResult]: Loop: 746#L36-2 assume !!(main_~k~0#1 < main_~n~0#1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~k~0#1 >= 2 * main_~i~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 790#L18 assume !(0 == __VERIFIER_assert_~cond#1); 745#L18-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post4#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 746#L36-2 [2024-11-13 13:40:34,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:34,019 INFO L85 PathProgramCache]: Analyzing trace with hash 950987546, now seen corresponding path program 2 times [2024-11-13 13:40:34,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:34,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099846762] [2024-11-13 13:40:34,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:34,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:34,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:34,131 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:34,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:34,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099846762] [2024-11-13 13:40:34,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099846762] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:40:34,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1320671233] [2024-11-13 13:40:34,132 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 13:40:34,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:40:34,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:34,135 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:40:34,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-13 13:40:34,189 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 13:40:34,190 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:40:34,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 13:40:34,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:40:34,234 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:34,234 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:40:34,295 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:34,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1320671233] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:40:34,299 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:40:34,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 6 [2024-11-13 13:40:34,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084291629] [2024-11-13 13:40:34,299 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:40:34,299 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 13:40:34,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:34,300 INFO L85 PathProgramCache]: Analyzing trace with hash 70955, now seen corresponding path program 2 times [2024-11-13 13:40:34,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:34,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14913726] [2024-11-13 13:40:34,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:34,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:34,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:40:34,311 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:40:34,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:40:34,320 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:40:34,366 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 13:40:34,366 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 13:40:34,367 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 13:40:34,367 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 13:40:34,367 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-13 13:40:34,367 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:34,367 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 13:40:34,367 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 13:40:34,367 INFO L132 ssoRankerPreferences]: Filename of dumped script: nested6.i_Iteration6_Loop [2024-11-13 13:40:34,367 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 13:40:34,367 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 13:40:34,368 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:34,372 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:34,384 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:34,387 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:34,430 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 13:40:34,430 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-13 13:40:34,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:34,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:34,433 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:34,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-13 13:40:34,437 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 13:40:34,437 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 13:40:34,458 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 13:40:34,459 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_~cond#1=0} Honda state: {ULTIMATE.start___VERIFIER_assert_~cond#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 13:40:34,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-11-13 13:40:34,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:34,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:34,485 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:34,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-13 13:40:34,487 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 13:40:34,487 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 13:40:34,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-13 13:40:34,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:34,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:34,535 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:34,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-13 13:40:34,538 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 13:40:34,538 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 13:40:34,796 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-13 13:40:34,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-11-13 13:40:34,801 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 13:40:34,801 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 13:40:34,801 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 13:40:34,801 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 13:40:34,801 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 13:40:34,802 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:34,802 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 13:40:34,802 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 13:40:34,802 INFO L132 ssoRankerPreferences]: Filename of dumped script: nested6.i_Iteration6_Loop [2024-11-13 13:40:34,802 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 13:40:34,802 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 13:40:34,803 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:34,807 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:34,821 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:34,824 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:34,865 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 13:40:34,865 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 13:40:34,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:34,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:34,872 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:34,878 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:40:34,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-13 13:40:34,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:40:34,896 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:40:34,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:40:34,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:40:34,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:40:34,897 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:40:34,897 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:40:34,899 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:40:34,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-11-13 13:40:34,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:34,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:34,926 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:34,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-13 13:40:34,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:40:34,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:40:34,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:40:34,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:40:34,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:40:34,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:40:34,950 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:40:34,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:40:34,954 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 13:40:34,960 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-13 13:40:34,961 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-13 13:40:34,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:34,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:34,965 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:34,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-13 13:40:34,968 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 13:40:34,968 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-13 13:40:34,968 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 13:40:34,968 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0#1, ULTIMATE.start_main_~n~0#1) = -1*ULTIMATE.start_main_~k~0#1 + 1*ULTIMATE.start_main_~n~0#1 Supporting invariants [] [2024-11-13 13:40:34,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-11-13 13:40:34,992 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-13 13:40:35,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:35,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 13:40:35,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:40:35,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:35,071 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 13:40:35,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:40:35,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:35,102 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-13 13:40:35,102 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 90 transitions. cyclomatic complexity: 24 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:35,176 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 90 transitions. cyclomatic complexity: 24. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 138 states and 170 transitions. Complement of second has 7 states. [2024-11-13 13:40:35,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-13 13:40:35,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:35,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 30 transitions. [2024-11-13 13:40:35,179 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 15 letters. Loop has 3 letters. [2024-11-13 13:40:35,180 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 13:40:35,180 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 13:40:35,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:35,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:35,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 13:40:35,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:40:35,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:35,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 13:40:35,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:40:35,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:35,316 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 [2024-11-13 13:40:35,316 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 90 transitions. cyclomatic complexity: 24 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:35,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-11-13 13:40:35,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-11-13 13:40:35,406 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 90 transitions. cyclomatic complexity: 24. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 138 states and 170 transitions. Complement of second has 7 states. [2024-11-13 13:40:35,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-13 13:40:35,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:35,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 30 transitions. [2024-11-13 13:40:35,413 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 15 letters. Loop has 3 letters. [2024-11-13 13:40:35,413 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 13:40:35,413 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 13:40:35,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:35,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 13:40:35,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:40:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:35,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 13:40:35,503 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:40:35,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:35,535 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 [2024-11-13 13:40:35,535 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 90 transitions. cyclomatic complexity: 24 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:35,590 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 90 transitions. cyclomatic complexity: 24. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 111 states and 138 transitions. Complement of second has 6 states. [2024-11-13 13:40:35,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-13 13:40:35,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:35,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 35 transitions. [2024-11-13 13:40:35,595 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 35 transitions. Stem has 15 letters. Loop has 3 letters. [2024-11-13 13:40:35,595 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 13:40:35,595 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 35 transitions. Stem has 18 letters. Loop has 3 letters. [2024-11-13 13:40:35,595 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 13:40:35,595 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 35 transitions. Stem has 15 letters. Loop has 6 letters. [2024-11-13 13:40:35,596 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 13:40:35,596 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 111 states and 138 transitions. [2024-11-13 13:40:35,600 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 19 [2024-11-13 13:40:35,601 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 111 states to 52 states and 63 transitions. [2024-11-13 13:40:35,601 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2024-11-13 13:40:35,601 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2024-11-13 13:40:35,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 63 transitions. [2024-11-13 13:40:35,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 13:40:35,601 INFO L218 hiAutomatonCegarLoop]: Abstraction has 52 states and 63 transitions. [2024-11-13 13:40:35,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 63 transitions. [2024-11-13 13:40:35,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 31. [2024-11-13 13:40:35,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 30 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:35,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 37 transitions. [2024-11-13 13:40:35,608 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 37 transitions. [2024-11-13 13:40:35,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:35,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:40:35,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:40:35,609 INFO L87 Difference]: Start difference. First operand 31 states and 37 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:35,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:40:35,702 INFO L93 Difference]: Finished difference Result 45 states and 52 transitions. [2024-11-13 13:40:35,702 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 52 transitions. [2024-11-13 13:40:35,703 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 16 [2024-11-13 13:40:35,704 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 43 states and 50 transitions. [2024-11-13 13:40:35,704 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-11-13 13:40:35,704 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2024-11-13 13:40:35,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 50 transitions. [2024-11-13 13:40:35,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 13:40:35,704 INFO L218 hiAutomatonCegarLoop]: Abstraction has 43 states and 50 transitions. [2024-11-13 13:40:35,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 50 transitions. [2024-11-13 13:40:35,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 39. [2024-11-13 13:40:35,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.1794871794871795) internal successors, (46), 38 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:35,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 46 transitions. [2024-11-13 13:40:35,707 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 46 transitions. [2024-11-13 13:40:35,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:40:35,710 INFO L424 stractBuchiCegarLoop]: Abstraction has 39 states and 46 transitions. [2024-11-13 13:40:35,710 INFO L331 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-13 13:40:35,710 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 46 transitions. [2024-11-13 13:40:35,711 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2024-11-13 13:40:35,712 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 13:40:35,712 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 13:40:35,712 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:40:35,713 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:40:35,713 INFO L745 eck$LassoCheckResult]: Stem: 1572#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 1555#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~post4#1, main_#t~post5#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~n~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~n~0#1;havoc main_#t~nondet1#1;main_~k~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~n~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 1556#L28 assume !!(main_~n~0#1 < 1000000); 1548#L29 assume main_~k~0#1 == main_~n~0#1; 1549#L29-1 main_~i~0#1 := 0; 1550#L33-2 assume !!(main_~i~0#1 < main_~n~0#1);main_~j~0#1 := 2 * main_~i~0#1; 1551#L34-2 assume !!(main_~j~0#1 < main_~n~0#1);havoc main_#t~nondet3#1; 1573#L35 assume 0 != main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~k~0#1 := main_~j~0#1; 1574#L36-2 assume !!(main_~k~0#1 < main_~n~0#1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~k~0#1 >= 2 * main_~i~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1580#L18 assume !(0 == __VERIFIER_assert_~cond#1); 1579#L18-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post4#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1577#L36-2 assume !(main_~k~0#1 < main_~n~0#1); 1575#L35-1 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1558#L34-2 assume !(main_~j~0#1 < main_~n~0#1); 1559#L34-3 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1552#L33-2 assume !!(main_~i~0#1 < main_~n~0#1);main_~j~0#1 := 2 * main_~i~0#1; 1554#L34-2 [2024-11-13 13:40:35,713 INFO L747 eck$LassoCheckResult]: Loop: 1554#L34-2 assume !!(main_~j~0#1 < main_~n~0#1);havoc main_#t~nondet3#1; 1557#L35 assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~k~0#1 >= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1570#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 1544#L18-5 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~k~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1545#L18-6 assume !(0 == __VERIFIER_assert_~cond#1); 1560#L18-8 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true; 1561#L35-1 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1554#L34-2 [2024-11-13 13:40:35,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:35,714 INFO L85 PathProgramCache]: Analyzing trace with hash -584156876, now seen corresponding path program 1 times [2024-11-13 13:40:35,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:35,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159195995] [2024-11-13 13:40:35,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:35,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:35,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:35,949 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:35,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:35,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159195995] [2024-11-13 13:40:35,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159195995] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:40:35,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176333889] [2024-11-13 13:40:35,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:35,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:40:35,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:35,952 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:40:35,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-13 13:40:36,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:36,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 13:40:36,002 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:40:36,169 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:36,169 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:40:36,273 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:36,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176333889] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:40:36,273 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:40:36,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2024-11-13 13:40:36,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925107101] [2024-11-13 13:40:36,273 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:40:36,274 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 13:40:36,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:36,274 INFO L85 PathProgramCache]: Analyzing trace with hash 180374043, now seen corresponding path program 1 times [2024-11-13 13:40:36,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:36,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610402541] [2024-11-13 13:40:36,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:36,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:36,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:40:36,288 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:40:36,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:40:36,299 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:40:36,362 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 13:40:36,362 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 13:40:36,362 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 13:40:36,362 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 13:40:36,362 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-13 13:40:36,362 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:36,362 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 13:40:36,362 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 13:40:36,362 INFO L132 ssoRankerPreferences]: Filename of dumped script: nested6.i_Iteration7_Loop [2024-11-13 13:40:36,362 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 13:40:36,363 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 13:40:36,363 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:36,367 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:36,370 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:36,373 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:36,376 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:36,426 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 13:40:36,426 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-13 13:40:36,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:36,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:36,429 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:36,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-13 13:40:36,434 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 13:40:36,434 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 13:40:36,456 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 13:40:36,456 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post5#1=0} Honda state: {ULTIMATE.start_main_#t~post5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 13:40:36,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-11-13 13:40:36,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:36,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:36,482 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:36,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-13 13:40:36,487 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 13:40:36,487 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 13:40:36,511 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 13:40:36,511 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Honda state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 13:40:36,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-11-13 13:40:36,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:36,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:36,537 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:36,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-13 13:40:36,542 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 13:40:36,542 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 13:40:36,565 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 13:40:36,566 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_~cond#1=0} Honda state: {ULTIMATE.start___VERIFIER_assert_~cond#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 13:40:36,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-11-13 13:40:36,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:36,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:36,592 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:36,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-13 13:40:36,596 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 13:40:36,596 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 13:40:36,618 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 13:40:36,618 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3#1=0} Honda state: {ULTIMATE.start_main_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 13:40:36,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-11-13 13:40:36,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:36,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:36,644 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:36,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-13 13:40:36,646 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 13:40:36,646 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 13:40:36,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2024-11-13 13:40:36,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:36,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:36,687 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:36,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-13 13:40:36,690 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 13:40:36,690 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 13:40:37,067 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-13 13:40:37,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-11-13 13:40:37,071 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 13:40:37,071 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 13:40:37,071 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 13:40:37,071 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 13:40:37,072 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 13:40:37,072 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:37,072 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 13:40:37,072 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 13:40:37,072 INFO L132 ssoRankerPreferences]: Filename of dumped script: nested6.i_Iteration7_Loop [2024-11-13 13:40:37,072 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 13:40:37,072 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 13:40:37,073 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:37,077 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:37,080 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:37,083 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:37,086 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 13:40:37,146 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 13:40:37,146 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 13:40:37,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:37,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:37,149 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:37,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-13 13:40:37,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:40:37,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:40:37,172 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:40:37,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:40:37,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:40:37,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:40:37,173 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:40:37,173 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:40:37,177 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:40:37,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2024-11-13 13:40:37,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:37,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:37,202 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:37,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-11-13 13:40:37,207 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:40:37,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:40:37,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:40:37,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:40:37,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:40:37,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:40:37,226 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:40:37,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:40:37,231 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:40:37,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-11-13 13:40:37,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:37,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:37,257 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:37,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-11-13 13:40:37,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:40:37,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:40:37,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:40:37,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:40:37,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:40:37,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:40:37,281 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:40:37,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:40:37,284 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:40:37,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2024-11-13 13:40:37,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:37,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:37,309 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:37,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-11-13 13:40:37,313 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:40:37,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:40:37,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:40:37,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:40:37,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:40:37,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:40:37,333 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:40:37,333 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:40:37,339 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 13:40:37,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2024-11-13 13:40:37,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:37,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:37,364 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:37,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-11-13 13:40:37,371 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 13:40:37,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 13:40:37,390 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 13:40:37,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 13:40:37,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 13:40:37,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 13:40:37,392 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 13:40:37,392 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 13:40:37,396 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 13:40:37,401 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-13 13:40:37,401 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-13 13:40:37,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:40:37,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:37,403 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:37,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-11-13 13:40:37,407 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 13:40:37,407 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-13 13:40:37,407 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 13:40:37,407 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~n~0#1) = -1*ULTIMATE.start_main_~j~0#1 + 1*ULTIMATE.start_main_~n~0#1 Supporting invariants [] [2024-11-13 13:40:37,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2024-11-13 13:40:37,432 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-13 13:40:37,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2024-11-13 13:40:37,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:37,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 13:40:37,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:40:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:37,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 13:40:37,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:40:37,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:37,595 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-13 13:40:37,595 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 46 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:37,640 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 46 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 69 states and 83 transitions. Complement of second has 5 states. [2024-11-13 13:40:37,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-13 13:40:37,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:37,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2024-11-13 13:40:37,645 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 16 letters. Loop has 7 letters. [2024-11-13 13:40:37,645 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 13:40:37,645 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 13:40:37,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:37,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 13:40:37,683 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:40:37,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:37,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 13:40:37,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:40:37,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:37,775 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 [2024-11-13 13:40:37,776 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 46 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:37,806 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 46 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 69 states and 83 transitions. Complement of second has 5 states. [2024-11-13 13:40:37,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-13 13:40:37,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:37,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2024-11-13 13:40:37,808 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 16 letters. Loop has 7 letters. [2024-11-13 13:40:37,808 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 13:40:37,808 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 13:40:37,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:37,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:37,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 13:40:37,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:40:37,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:37,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 13:40:37,882 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:40:37,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:37,936 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 [2024-11-13 13:40:37,937 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 46 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:37,983 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 46 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 67 states and 80 transitions. Complement of second has 4 states. [2024-11-13 13:40:37,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-13 13:40:37,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:37,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 33 transitions. [2024-11-13 13:40:37,986 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 33 transitions. Stem has 16 letters. Loop has 7 letters. [2024-11-13 13:40:37,986 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 13:40:37,988 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 33 transitions. Stem has 23 letters. Loop has 7 letters. [2024-11-13 13:40:37,989 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 13:40:37,989 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 33 transitions. Stem has 16 letters. Loop has 14 letters. [2024-11-13 13:40:37,989 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 13:40:37,989 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67 states and 80 transitions. [2024-11-13 13:40:37,990 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 13:40:37,990 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67 states to 0 states and 0 transitions. [2024-11-13 13:40:37,991 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-13 13:40:37,991 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-13 13:40:37,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-13 13:40:37,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 13:40:37,991 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 13:40:37,991 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 13:40:37,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:37,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-13 13:40:37,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2024-11-13 13:40:37,995 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 18 states, 17 states have (on average 2.235294117647059) internal successors, (38), 18 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:40:37,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:40:37,996 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-11-13 13:40:37,996 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-11-13 13:40:37,996 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 13:40:37,996 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 13:40:37,996 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-13 13:40:37,996 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-13 13:40:37,996 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-13 13:40:37,996 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 13:40:37,996 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 13:40:37,996 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 13:40:37,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:40:37,997 INFO L424 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 13:40:37,997 INFO L331 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-13 13:40:37,997 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-13 13:40:37,997 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 13:40:37,997 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-13 13:40:38,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 01:40:38 BoogieIcfgContainer [2024-11-13 13:40:38,012 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-13 13:40:38,013 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:40:38,013 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:40:38,014 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:40:38,014 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:40:29" (3/4) ... [2024-11-13 13:40:38,017 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 13:40:38,018 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:40:38,021 INFO L158 Benchmark]: Toolchain (without parser) took 9740.61ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 60.8MB in the end (delta: 32.4MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2024-11-13 13:40:38,024 INFO L158 Benchmark]: CDTParser took 1.25ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:40:38,024 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.12ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 82.4MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:40:38,025 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.90ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 81.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:40:38,025 INFO L158 Benchmark]: Boogie Preprocessor took 60.86ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.9MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:40:38,025 INFO L158 Benchmark]: RCFGBuilder took 476.05ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 69.4MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:40:38,026 INFO L158 Benchmark]: BuchiAutomizer took 8798.83ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 60.9MB in the end (delta: 8.5MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2024-11-13 13:40:38,026 INFO L158 Benchmark]: Witness Printer took 4.99ms. Allocated memory is still 117.4MB. Free memory was 60.9MB in the beginning and 60.8MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:40:38,028 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.25ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 336.12ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 82.4MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.90ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 81.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 60.86ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.9MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 476.05ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 69.4MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 8798.83ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 60.9MB in the end (delta: 8.5MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. * Witness Printer took 4.99ms. Allocated memory is still 117.4MB. Free memory was 60.9MB in the beginning and 60.8MB 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 10 terminating modules (5 trivial, 3 deterministic, 2 nondeterministic). One deterministic module has affine ranking function (((long long) -1 * i) + n) and consists of 3 locations. One deterministic module has affine ranking function (((long long) -1 * j) + n) and consists of 3 locations. One deterministic module has affine ranking function (n + ((long long) -1 * k)) and consists of 4 locations. One nondeterministic module has affine ranking function (n + ((long long) -1 * k)) and consists of 4 locations. One nondeterministic module has affine ranking function (((long long) -1 * j) + n) and consists of 3 locations. 5 modules have a trivial ranking function, the largest among these consists of 18 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.6s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 6.3s. Construction of modules took 0.4s. Büchi inclusion checks took 1.7s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 7. Automata minimization 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 93 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/1 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 296 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 287 mSDsluCounter, 350 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 113 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 249 IncrementalHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 237 mSDtfsCounter, 249 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT2 conc0 concLT1 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq143 hnf94 smp97 dnf100 smp100 tf108 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 63ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 11 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 5 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 2.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-13 13:40:38,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-11-13 13:40:38,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-13 13:40:38,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8b12ab3-b5b1-4a8e-ad93-122722408d09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE