./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/and-assume.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/and-assume.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8beb7be7ecdb66eb2007be5f75989c5fdc3ddad5d7117f2ded11c36f0703f203 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:17:03,731 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:17:03,833 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-31 22:17:03,841 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:17:03,843 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:17:03,879 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:17:03,880 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:17:03,880 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:17:03,881 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:17:03,881 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:17:03,882 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:17:03,883 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:17:03,883 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:17:03,884 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 22:17:03,884 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 22:17:03,884 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 22:17:03,885 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 22:17:03,885 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 22:17:03,886 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 22:17:03,886 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:17:03,886 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 22:17:03,887 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:17:03,887 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:17:03,888 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 22:17:03,888 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 22:17:03,888 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 22:17:03,889 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:17:03,889 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:17:03,889 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:17:03,890 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 22:17:03,890 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:17:03,891 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:17:03,891 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:17:03,891 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:17:03,892 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:17:03,893 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 22:17:03,893 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8beb7be7ecdb66eb2007be5f75989c5fdc3ddad5d7117f2ded11c36f0703f203 [2024-10-31 22:17:04,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:17:04,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:17:04,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:17:04,247 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:17:04,249 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:17:04,250 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/termination-bwb/and-assume.i Unable to find full path for "g++" [2024-10-31 22:17:06,353 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:17:06,631 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:17:06,632 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/sv-benchmarks/c/termination-bwb/and-assume.i [2024-10-31 22:17:06,645 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/data/d5cc6b574/5e4c557b3e9248b4a86a3d5c0e19b402/FLAG1dd042dfe [2024-10-31 22:17:06,668 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/data/d5cc6b574/5e4c557b3e9248b4a86a3d5c0e19b402 [2024-10-31 22:17:06,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:17:06,673 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:17:06,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:17:06,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:17:06,683 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:17:06,683 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:17:06" (1/1) ... [2024-10-31 22:17:06,688 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41b6099a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:06, skipping insertion in model container [2024-10-31 22:17:06,688 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:17:06" (1/1) ... [2024-10-31 22:17:06,733 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:17:07,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:17:07,114 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:17:07,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:17:07,224 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:17:07,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:07 WrapperNode [2024-10-31 22:17:07,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:17:07,226 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:17:07,227 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:17:07,227 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:17:07,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:07" (1/1) ... [2024-10-31 22:17:07,252 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:07" (1/1) ... [2024-10-31 22:17:07,277 INFO L138 Inliner]: procedures = 110, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2024-10-31 22:17:07,279 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:17:07,280 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:17:07,281 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:17:07,281 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:17:07,294 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:07" (1/1) ... [2024-10-31 22:17:07,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:07" (1/1) ... [2024-10-31 22:17:07,296 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:07" (1/1) ... [2024-10-31 22:17:07,306 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-31 22:17:07,311 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:07" (1/1) ... [2024-10-31 22:17:07,311 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:07" (1/1) ... [2024-10-31 22:17:07,314 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:07" (1/1) ... [2024-10-31 22:17:07,318 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:07" (1/1) ... [2024-10-31 22:17:07,324 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:07" (1/1) ... [2024-10-31 22:17:07,325 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:07" (1/1) ... [2024-10-31 22:17:07,326 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:17:07,327 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:17:07,330 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:17:07,331 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:17:07,332 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:07" (1/1) ... [2024-10-31 22:17:07,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:07,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:07,369 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:07,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 22:17:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:17:07,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:17:07,519 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:17:07,522 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:17:07,619 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-10-31 22:17:07,619 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:17:07,633 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:17:07,634 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:17:07,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:17:07 BoogieIcfgContainer [2024-10-31 22:17:07,635 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:17:07,636 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 22:17:07,636 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 22:17:07,642 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 22:17:07,643 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:17:07,643 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 10:17:06" (1/3) ... [2024-10-31 22:17:07,644 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e1db10b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:17:07, skipping insertion in model container [2024-10-31 22:17:07,644 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:17:07,645 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:07" (2/3) ... [2024-10-31 22:17:07,645 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e1db10b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:17:07, skipping insertion in model container [2024-10-31 22:17:07,645 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:17:07,646 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:17:07" (3/3) ... [2024-10-31 22:17:07,647 INFO L332 chiAutomizerObserver]: Analyzing ICFG and-assume.i [2024-10-31 22:17:07,718 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 22:17:07,718 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 22:17:07,719 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 22:17:07,719 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 22:17:07,719 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 22:17:07,719 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 22:17:07,719 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 22:17:07,720 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 22:17:07,724 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:17:07,745 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-31 22:17:07,746 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:17:07,746 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:17:07,752 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-31 22:17:07,752 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:17:07,752 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 22:17:07,752 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:17:07,754 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-31 22:17:07,754 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:17:07,754 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:17:07,754 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-31 22:17:07,755 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:17:07,763 INFO L745 eck$LassoCheckResult]: Stem: 9#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~bitwise6#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~a~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 3#L535true assume !!(main_~a~0#1 > 0); 8#L536-1true [2024-10-31 22:17:07,763 INFO L747 eck$LassoCheckResult]: Loop: 8#L536-1true assume !!(main_~x~0#1 > 0);main_#t~post5#1 := main_~a~0#1;main_~a~0#1 := main_#t~post5#1 - 1;havoc main_#t~post5#1; 12#L538true assume 0 == main_~x~0#1 || 0 == main_~a~0#1;main_#t~bitwise6#1 := 0; 7#L538-5true main_~x~0#1 := main_#t~bitwise6#1;havoc main_#t~bitwise6#1; 8#L536-1true [2024-10-31 22:17:07,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:07,770 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2024-10-31 22:17:07,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:07,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484801899] [2024-10-31 22:17:07,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:07,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:07,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:07,887 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:17:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:07,924 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:17:07,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:07,928 INFO L85 PathProgramCache]: Analyzing trace with hash 45785, now seen corresponding path program 1 times [2024-10-31 22:17:07,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:07,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743003777] [2024-10-31 22:17:07,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:07,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:07,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:07,953 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:17:07,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:07,963 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:17:07,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:07,968 INFO L85 PathProgramCache]: Analyzing trace with hash 889575254, now seen corresponding path program 1 times [2024-10-31 22:17:07,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:07,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855902290] [2024-10-31 22:17:07,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:07,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:07,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:07,988 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:17:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:07,996 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:17:08,148 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:17:08,149 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:17:08,150 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:17:08,150 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:17:08,150 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:17:08,151 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:08,151 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:17:08,151 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:17:08,152 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-assume.i_Iteration1_Loop [2024-10-31 22:17:08,152 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:17:08,152 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:17:08,181 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:08,211 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:08,220 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:08,229 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:08,238 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:08,254 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:08,258 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:08,414 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:17:08,416 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:17:08,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:08,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:08,422 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:08,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-31 22:17:08,426 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:17:08,426 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:17:08,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-31 22:17:08,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:08,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:08,471 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:08,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-31 22:17:08,475 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:17:08,476 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:17:08,533 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:17:08,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:08,537 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:17:08,537 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:17:08,539 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:17:08,540 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:17:08,540 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:17:08,540 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:08,540 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:17:08,542 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:17:08,542 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-assume.i_Iteration1_Loop [2024-10-31 22:17:08,542 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:17:08,542 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:17:08,546 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:08,568 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:08,574 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:08,582 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:08,594 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:08,598 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:08,602 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:08,801 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:17:08,815 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:17:08,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:08,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:08,826 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:08,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-31 22:17:08,835 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 [2024-10-31 22:17:08,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:17:08,870 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:17:08,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:17:08,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:17:08,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:17:08,877 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:17:08,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:17:08,883 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:17:08,892 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-31 22:17:08,893 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-31 22:17:08,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:08,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:08,918 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:08,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-31 22:17:08,938 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:17:08,938 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 22:17:08,943 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:17:08,944 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-10-31 22:17:08,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-10-31 22:17:08,993 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 22:17:09,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:09,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:17:09,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:17:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:09,132 WARN L253 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 22:17:09,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:17:09,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:09,265 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-31 22:17:09,268 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:17:09,419 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 64 transitions. Complement of second has 10 states. [2024-10-31 22:17:09,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-10-31 22:17:09,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:17:09,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 36 transitions. [2024-10-31 22:17:09,432 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 3 letters. Loop has 3 letters. [2024-10-31 22:17:09,432 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:17:09,433 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 6 letters. Loop has 3 letters. [2024-10-31 22:17:09,433 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:17:09,433 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 3 letters. Loop has 6 letters. [2024-10-31 22:17:09,433 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:17:09,434 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 64 transitions. [2024-10-31 22:17:09,437 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-31 22:17:09,442 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 22 states and 30 transitions. [2024-10-31 22:17:09,443 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-10-31 22:17:09,444 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-10-31 22:17:09,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 30 transitions. [2024-10-31 22:17:09,445 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:17:09,445 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 30 transitions. [2024-10-31 22:17:09,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 30 transitions. [2024-10-31 22:17:09,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 16. [2024-10-31 22:17:09,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:17:09,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2024-10-31 22:17:09,475 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2024-10-31 22:17:09,476 INFO L425 stractBuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2024-10-31 22:17:09,476 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-31 22:17:09,476 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2024-10-31 22:17:09,477 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-31 22:17:09,477 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:17:09,477 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:17:09,477 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-31 22:17:09,478 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-31 22:17:09,478 INFO L745 eck$LassoCheckResult]: Stem: 119#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 120#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~bitwise6#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~a~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 111#L535 assume !!(main_~a~0#1 > 0); 112#L536-1 assume !!(main_~x~0#1 > 0);main_#t~post5#1 := main_~a~0#1;main_~a~0#1 := main_#t~post5#1 - 1;havoc main_#t~post5#1; 116#L538 [2024-10-31 22:17:09,478 INFO L747 eck$LassoCheckResult]: Loop: 116#L538 assume !(0 == main_~x~0#1 || 0 == main_~a~0#1); 121#L538-2 assume main_~x~0#1 == main_~a~0#1;main_#t~bitwise6#1 := main_~x~0#1; 108#L538-5 main_~x~0#1 := main_#t~bitwise6#1;havoc main_#t~bitwise6#1; 113#L536-1 assume !!(main_~x~0#1 > 0);main_#t~post5#1 := main_~a~0#1;main_~a~0#1 := main_#t~post5#1 - 1;havoc main_#t~post5#1; 116#L538 [2024-10-31 22:17:09,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:09,479 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2024-10-31 22:17:09,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:09,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478413281] [2024-10-31 22:17:09,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:09,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:09,487 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:17:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:09,491 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:17:09,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:09,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1573111, now seen corresponding path program 1 times [2024-10-31 22:17:09,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:09,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800873709] [2024-10-31 22:17:09,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:09,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:09,506 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:17:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:09,517 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:17:09,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:09,518 INFO L85 PathProgramCache]: Analyzing trace with hash 183382882, now seen corresponding path program 1 times [2024-10-31 22:17:09,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:09,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044571155] [2024-10-31 22:17:09,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:09,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:09,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:09,540 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:17:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:09,554 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:17:09,619 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:17:09,619 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:17:09,620 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:17:09,620 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:17:09,620 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:17:09,620 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:09,620 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:17:09,620 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:17:09,621 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-assume.i_Iteration2_Loop [2024-10-31 22:17:09,621 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:17:09,621 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:17:09,623 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:09,640 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:09,646 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:09,649 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:09,654 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:09,657 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:09,744 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:17:09,744 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:17:09,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:09,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:09,747 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:09,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-31 22:17:09,751 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:17:09,752 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:17:09,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-10-31 22:17:09,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:09,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:09,791 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:09,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-31 22:17:09,794 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:17:09,794 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:17:09,938 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:17:09,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-10-31 22:17:09,943 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:17:09,943 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:17:09,944 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:17:09,944 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:17:09,944 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:17:09,944 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:09,945 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:17:09,945 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:17:09,945 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-assume.i_Iteration2_Loop [2024-10-31 22:17:09,945 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:17:09,945 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:17:09,947 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:09,960 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:09,964 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:09,968 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:09,980 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:09,984 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:10,078 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:17:10,078 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:17:10,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:10,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:10,080 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:10,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-31 22:17:10,083 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 [2024-10-31 22:17:10,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:17:10,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:17:10,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:17:10,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:17:10,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:17:10,100 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:17:10,101 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:17:10,104 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:17:10,107 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-10-31 22:17:10,108 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-31 22:17:10,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:10,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:10,111 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:10,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-31 22:17:10,114 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:17:10,115 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 22:17:10,115 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:17:10,115 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~a~0#1) = 1*ULTIMATE.start_main_~a~0#1 Supporting invariants [] [2024-10-31 22:17:10,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-31 22:17:10,133 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 22:17:10,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:10,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:10,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:17:10,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:17:10,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:10,176 WARN L253 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-31 22:17:10,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:17:10,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:10,230 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-31 22:17:10,230 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 7 Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:17:10,302 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 7. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 54 transitions. Complement of second has 8 states. [2024-10-31 22:17:10,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-10-31 22:17:10,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:17:10,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2024-10-31 22:17:10,307 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 4 letters. Loop has 4 letters. [2024-10-31 22:17:10,307 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:17:10,307 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 8 letters. Loop has 4 letters. [2024-10-31 22:17:10,307 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:17:10,308 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 4 letters. Loop has 8 letters. [2024-10-31 22:17:10,308 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:17:10,308 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 54 transitions. [2024-10-31 22:17:10,309 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-31 22:17:10,312 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 37 states and 49 transitions. [2024-10-31 22:17:10,313 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-10-31 22:17:10,313 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-10-31 22:17:10,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 49 transitions. [2024-10-31 22:17:10,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:17:10,314 INFO L218 hiAutomatonCegarLoop]: Abstraction has 37 states and 49 transitions. [2024-10-31 22:17:10,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 49 transitions. [2024-10-31 22:17:10,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2024-10-31 22:17:10,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 35 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:17:10,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 48 transitions. [2024-10-31 22:17:10,322 INFO L240 hiAutomatonCegarLoop]: Abstraction has 36 states and 48 transitions. [2024-10-31 22:17:10,322 INFO L425 stractBuchiCegarLoop]: Abstraction has 36 states and 48 transitions. [2024-10-31 22:17:10,322 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-31 22:17:10,322 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 48 transitions. [2024-10-31 22:17:10,323 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-31 22:17:10,323 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:17:10,323 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:17:10,323 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-10-31 22:17:10,323 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-10-31 22:17:10,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-10-31 22:17:10,328 INFO L745 eck$LassoCheckResult]: Stem: 226#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 227#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~bitwise6#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~a~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 214#L535 assume !!(main_~a~0#1 > 0); 215#L536-1 assume !!(main_~x~0#1 > 0);main_#t~post5#1 := main_~a~0#1;main_~a~0#1 := main_#t~post5#1 - 1;havoc main_#t~post5#1; 242#L538 assume !(0 == main_~x~0#1 || 0 == main_~a~0#1); 228#L538-2 [2024-10-31 22:17:10,328 INFO L747 eck$LassoCheckResult]: Loop: 228#L538-2 assume !(main_~x~0#1 == main_~a~0#1); 216#L538-4 havoc main_#t~bitwise6#1;assume (((((main_~x~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise6#1 <= main_~x~0#1) && ((main_~x~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise6#1 <= main_~a~0#1)) && ((main_~x~0#1 < 0 && main_~a~0#1 < 0) || main_#t~bitwise6#1 >= 0)) && ((main_~x~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise6#1 > main_~x~0#1 + main_~a~0#1)) && main_#t~bitwise6#1 >= -2147483648; 217#L538-5 main_~x~0#1 := main_#t~bitwise6#1;havoc main_#t~bitwise6#1; 220#L536-1 assume !!(main_~x~0#1 > 0);main_#t~post5#1 := main_~a~0#1;main_~a~0#1 := main_#t~post5#1 - 1;havoc main_#t~post5#1; 223#L538 assume !(0 == main_~x~0#1 || 0 == main_~a~0#1); 228#L538-2 [2024-10-31 22:17:10,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:10,330 INFO L85 PathProgramCache]: Analyzing trace with hash 28695977, now seen corresponding path program 1 times [2024-10-31 22:17:10,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:10,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661428686] [2024-10-31 22:17:10,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:10,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:10,340 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:17:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:10,350 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:17:10,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:10,350 INFO L85 PathProgramCache]: Analyzing trace with hash 53473440, now seen corresponding path program 1 times [2024-10-31 22:17:10,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:10,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589353410] [2024-10-31 22:17:10,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:10,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:10,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-31 22:17:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:10,377 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:17:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:10,392 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:17:10,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:10,396 INFO L85 PathProgramCache]: Analyzing trace with hash 139090936, now seen corresponding path program 1 times [2024-10-31 22:17:10,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:10,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760149007] [2024-10-31 22:17:10,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:10,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:10,417 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:17:10,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:10,434 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:17:10,668 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:17:10,668 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:17:10,668 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:17:10,668 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:17:10,669 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:17:10,669 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:10,669 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:17:10,669 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:17:10,669 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-assume.i_Iteration3_Loop [2024-10-31 22:17:10,669 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:17:10,669 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:17:10,671 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:10,678 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:10,682 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:10,742 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:10,746 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:10,750 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:10,829 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2024-10-31 22:17:11,137 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:17:11,137 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:17:11,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:11,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:11,140 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:11,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-31 22:17:11,143 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:17:11,143 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:17:11,160 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:17:11,160 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: [] [2024-10-31 22:17:11,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-10-31 22:17:11,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:11,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:11,182 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:11,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-31 22:17:11,185 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:17:11,185 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:17:11,210 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:17:11,210 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PID_5=1} Honda state: {v_rep~unnamed0~0~P_PID_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:17:11,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-10-31 22:17:11,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:11,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:11,225 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:11,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-31 22:17:11,227 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:17:11,227 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:17:11,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:11,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:11,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:11,258 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:11,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-31 22:17:11,260 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:17:11,260 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:17:11,391 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:17:11,391 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=3, ULTIMATE.start_main_~a~0#1=-4} Honda state: {ULTIMATE.start_main_~x~0#1=3, ULTIMATE.start_main_~a~0#1=-4} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~a~0#1=-1}, {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~a~0#1=0}, {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~a~0#1=0}] Lambdas: [1, 1, 1] Nus: [0, 0] [2024-10-31 22:17:11,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-10-31 22:17:11,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:11,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:11,416 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:11,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-31 22:17:11,420 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:17:11,420 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:17:11,440 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:17:11,440 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PGID_5=2} Honda state: {v_rep~unnamed0~0~P_PGID_5=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:17:11,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:11,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:11,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:11,454 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:11,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-31 22:17:11,456 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:17:11,456 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:17:11,476 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:17:11,476 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_ALL_5=0} Honda state: {v_rep~unnamed0~0~P_ALL_5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:17:11,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-10-31 22:17:11,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:11,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:11,493 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:11,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-31 22:17:11,495 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:17:11,495 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:17:11,507 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:17:11,507 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~bitwise6#1=0} Honda state: {ULTIMATE.start_main_#t~bitwise6#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:17:11,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:11,552 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:17:11,552 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:17:11,553 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:17:11,553 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:17:11,553 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:17:11,553 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:11,553 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:17:11,553 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:17:11,553 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-assume.i_Iteration3_Lasso [2024-10-31 22:17:11,553 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:17:11,553 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:17:11,555 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:11,559 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:11,611 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:11,615 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:11,619 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:11,622 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:11,626 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:11,633 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:11,635 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:11,733 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2024-10-31 22:17:12,009 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:17:12,009 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:17:12,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:12,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:12,012 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:12,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-31 22:17:12,021 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:17:12,021 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:17:12,037 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:17:12,037 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: [] [2024-10-31 22:17:12,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:12,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:12,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:12,051 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:12,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-31 22:17:12,053 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:17:12,053 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:17:12,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:12,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:12,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:12,079 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:12,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-31 22:17:12,081 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:17:12,082 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:17:12,321 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:17:12,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:12,325 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:17:12,325 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:17:12,325 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:17:12,325 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:17:12,325 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:17:12,325 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:12,325 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:17:12,325 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:17:12,325 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-assume.i_Iteration3_Lasso [2024-10-31 22:17:12,325 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:17:12,326 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:17:12,328 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:12,372 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:12,374 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:12,377 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:12,386 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:12,393 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:12,396 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:12,398 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:12,402 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:12,488 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2024-10-31 22:17:12,787 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:17:12,787 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:17:12,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:12,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:12,790 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:12,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-31 22:17:12,794 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 [2024-10-31 22:17:12,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:17:12,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:17:12,809 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2024-10-31 22:17:12,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:17:12,864 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2024-10-31 22:17:12,864 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2024-10-31 22:17:12,975 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:17:13,072 INFO L443 ModelExtractionUtils]: Simplification made 19 calls to the SMT solver. [2024-10-31 22:17:13,073 INFO L444 ModelExtractionUtils]: 13 out of 28 variables were initially zero. Simplification set additionally 12 variables to zero. [2024-10-31 22:17:13,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:13,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:13,074 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:13,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-31 22:17:13,076 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:17:13,096 INFO L438 nArgumentSynthesizer]: Removed 7 redundant supporting invariants from a total of 8. [2024-10-31 22:17:13,097 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:17:13,097 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~a~0#1) = 1*ULTIMATE.start_main_~a~0#1 Supporting invariants [1*ULTIMATE.start_main_~a~0#1 >= 0] [2024-10-31 22:17:13,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:13,119 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2024-10-31 22:17:13,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:13,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:17:13,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:17:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:13,197 WARN L253 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 22:17:13,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:17:13,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:13,293 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 4 loop predicates [2024-10-31 22:17:13,293 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 48 transitions. cyclomatic complexity: 16 Second operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:17:13,430 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states and 48 transitions. cyclomatic complexity: 16. Second operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 126 states and 181 transitions. Complement of second has 12 states. [2024-10-31 22:17:13,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 3 stem states 3 non-accepting loop states 2 accepting loop states [2024-10-31 22:17:13,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:17:13,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 21 transitions. [2024-10-31 22:17:13,434 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 21 transitions. Stem has 5 letters. Loop has 5 letters. [2024-10-31 22:17:13,434 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:17:13,435 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 21 transitions. Stem has 10 letters. Loop has 5 letters. [2024-10-31 22:17:13,435 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:17:13,435 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 21 transitions. Stem has 5 letters. Loop has 10 letters. [2024-10-31 22:17:13,435 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:17:13,435 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 126 states and 181 transitions. [2024-10-31 22:17:13,441 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-31 22:17:13,442 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 126 states to 53 states and 72 transitions. [2024-10-31 22:17:13,442 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2024-10-31 22:17:13,442 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2024-10-31 22:17:13,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 72 transitions. [2024-10-31 22:17:13,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:17:13,443 INFO L218 hiAutomatonCegarLoop]: Abstraction has 53 states and 72 transitions. [2024-10-31 22:17:13,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states and 72 transitions. [2024-10-31 22:17:13,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 36. [2024-10-31 22:17:13,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 35 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:17:13,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 47 transitions. [2024-10-31 22:17:13,447 INFO L240 hiAutomatonCegarLoop]: Abstraction has 36 states and 47 transitions. [2024-10-31 22:17:13,447 INFO L425 stractBuchiCegarLoop]: Abstraction has 36 states and 47 transitions. [2024-10-31 22:17:13,447 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-31 22:17:13,447 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 47 transitions. [2024-10-31 22:17:13,448 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-31 22:17:13,448 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:17:13,448 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:17:13,449 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1] [2024-10-31 22:17:13,449 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-10-31 22:17:13,449 INFO L745 eck$LassoCheckResult]: Stem: 462#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 463#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~nondet4#1, main_#t~post5#1, main_#t~bitwise6#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~a~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 455#L535 assume !!(main_~a~0#1 > 0); 456#L536-1 assume !!(main_~x~0#1 > 0);main_#t~post5#1 := main_~a~0#1;main_~a~0#1 := main_#t~post5#1 - 1;havoc main_#t~post5#1; 460#L538 assume 0 == main_~x~0#1 || 0 == main_~a~0#1;main_#t~bitwise6#1 := 0; 482#L538-5 main_~x~0#1 := main_#t~bitwise6#1;havoc main_#t~bitwise6#1; 479#L536-1 assume !!(main_~x~0#1 > 0);main_#t~post5#1 := main_~a~0#1;main_~a~0#1 := main_#t~post5#1 - 1;havoc main_#t~post5#1; 471#L538 [2024-10-31 22:17:13,449 INFO L747 eck$LassoCheckResult]: Loop: 471#L538 assume !(0 == main_~x~0#1 || 0 == main_~a~0#1); 464#L538-2 assume !(main_~x~0#1 == main_~a~0#1); 451#L538-4 havoc main_#t~bitwise6#1;assume (((((main_~x~0#1 < 0 && main_~a~0#1 >= 0) || main_#t~bitwise6#1 <= main_~x~0#1) && ((main_~x~0#1 >= 0 && main_~a~0#1 < 0) || main_#t~bitwise6#1 <= main_~a~0#1)) && ((main_~x~0#1 < 0 && main_~a~0#1 < 0) || main_#t~bitwise6#1 >= 0)) && ((main_~x~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~bitwise6#1 > main_~x~0#1 + main_~a~0#1)) && main_#t~bitwise6#1 >= -2147483648; 452#L538-5 main_~x~0#1 := main_#t~bitwise6#1;havoc main_#t~bitwise6#1; 457#L536-1 assume !!(main_~x~0#1 > 0);main_#t~post5#1 := main_~a~0#1;main_~a~0#1 := main_#t~post5#1 - 1;havoc main_#t~post5#1; 471#L538 [2024-10-31 22:17:13,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:13,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1807029114, now seen corresponding path program 2 times [2024-10-31 22:17:13,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:13,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907563402] [2024-10-31 22:17:13,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:13,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:13,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:13,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:13,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907563402] [2024-10-31 22:17:13,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907563402] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:13,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:13,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:17:13,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790382542] [2024-10-31 22:17:13,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:13,528 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 22:17:13,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:13,529 INFO L85 PathProgramCache]: Analyzing trace with hash 48824520, now seen corresponding path program 2 times [2024-10-31 22:17:13,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:13,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645690982] [2024-10-31 22:17:13,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:13,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:13,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:13,544 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:17:13,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:13,553 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:17:13,720 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:17:13,720 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:17:13,720 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:17:13,720 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:17:13,720 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:17:13,720 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:13,720 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:17:13,720 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:17:13,720 INFO L132 ssoRankerPreferences]: Filename of dumped script: and-assume.i_Iteration4_Loop [2024-10-31 22:17:13,720 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:17:13,720 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:17:13,722 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:13,726 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:13,728 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:13,772 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:13,775 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:13,779 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:13,827 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2024-10-31 22:17:13,985 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:17:13,985 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:17:13,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:13,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:13,988 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:13,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-31 22:17:13,991 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:17:13,991 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:17:14,013 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:17:14,013 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_ALL_8=0} Honda state: {v_rep~unnamed0~0~P_ALL_8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:17:14,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:14,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:14,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:14,030 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:14,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-31 22:17:14,032 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:17:14,032 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:17:14,044 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:17:14,044 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~bitwise6#1=0} Honda state: {ULTIMATE.start_main_#t~bitwise6#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:17:14,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:14,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:14,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:14,058 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:14,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-31 22:17:14,059 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:17:14,059 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:17:14,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-10-31 22:17:14,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:14,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:14,085 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:14,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-10-31 22:17:14,087 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:17:14,087 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:17:14,325 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:17:14,325 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~a~0#1=-2} Honda state: {ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~a~0#1=-2} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~a~0#1=0}, {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~a~0#1=-1}, {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~a~0#1=0}] Lambdas: [2, 1, 0] Nus: [0, 1] [2024-10-31 22:17:14,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-10-31 22:17:14,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:14,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:14,345 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:14,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-10-31 22:17:14,348 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:17:14,349 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:17:14,376 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:17:14,376 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PID_8=1} Honda state: {v_rep~unnamed0~0~P_PID_8=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:17:14,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:14,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:14,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:14,397 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:14,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-10-31 22:17:14,400 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:17:14,400 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:17:14,425 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:17:14,425 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PGID_8=2} Honda state: {v_rep~unnamed0~0~P_PGID_8=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:17:14,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:14,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:14,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:14,446 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:14,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-10-31 22:17:14,449 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:17:14,449 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:17:14,461 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:17:14,461 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: [] [2024-10-31 22:17:14,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:14,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:14,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:17:14,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:17:14,477 INFO L87 Difference]: Start difference. First operand 36 states and 47 transitions. cyclomatic complexity: 15 Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:17:14,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:17:14,488 INFO L93 Difference]: Finished difference Result 9 states and 8 transitions. [2024-10-31 22:17:14,489 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 8 transitions. [2024-10-31 22:17:14,489 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 22:17:14,489 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2024-10-31 22:17:14,489 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-31 22:17:14,489 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-31 22:17:14,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-31 22:17:14,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:17:14,490 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:17:14,490 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:17:14,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:17:14,491 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:17:14,491 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-31 22:17:14,491 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-31 22:17:14,491 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 22:17:14,491 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-31 22:17:14,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 31.10 10:17:14 BoogieIcfgContainer [2024-10-31 22:17:14,499 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-31 22:17:14,500 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:17:14,500 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:17:14,500 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:17:14,501 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:17:07" (3/4) ... [2024-10-31 22:17:14,504 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:17:14,507 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:17:14,508 INFO L158 Benchmark]: Toolchain (without parser) took 7834.52ms. Allocated memory was 146.8MB in the beginning and 195.0MB in the end (delta: 48.2MB). Free memory was 106.0MB in the beginning and 76.5MB in the end (delta: 29.5MB). Peak memory consumption was 80.8MB. Max. memory is 16.1GB. [2024-10-31 22:17:14,510 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 98.6MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:17:14,510 INFO L158 Benchmark]: CACSL2BoogieTranslator took 551.10ms. Allocated memory is still 146.8MB. Free memory was 105.5MB in the beginning and 88.0MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-31 22:17:14,511 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.87ms. Allocated memory is still 146.8MB. Free memory was 88.0MB in the beginning and 86.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:17:14,511 INFO L158 Benchmark]: Boogie Preprocessor took 46.79ms. Allocated memory is still 146.8MB. Free memory was 86.3MB in the beginning and 84.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:17:14,511 INFO L158 Benchmark]: RCFGBuilder took 307.50ms. Allocated memory is still 146.8MB. Free memory was 84.6MB in the beginning and 75.4MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-31 22:17:14,515 INFO L158 Benchmark]: BuchiAutomizer took 6863.11ms. Allocated memory was 146.8MB in the beginning and 195.0MB in the end (delta: 48.2MB). Free memory was 75.4MB in the beginning and 77.6MB in the end (delta: -2.2MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2024-10-31 22:17:14,515 INFO L158 Benchmark]: Witness Printer took 7.01ms. Allocated memory is still 195.0MB. Free memory was 77.6MB in the beginning and 76.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:17:14,521 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 98.6MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 551.10ms. Allocated memory is still 146.8MB. Free memory was 105.5MB in the beginning and 88.0MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.87ms. Allocated memory is still 146.8MB. Free memory was 88.0MB in the beginning and 86.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.79ms. Allocated memory is still 146.8MB. Free memory was 86.3MB in the beginning and 84.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 307.50ms. Allocated memory is still 146.8MB. Free memory was 84.6MB in the beginning and 75.4MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 6863.11ms. Allocated memory was 146.8MB in the beginning and 195.0MB in the end (delta: 48.2MB). Free memory was 75.4MB in the beginning and 77.6MB in the end (delta: -2.2MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. * Witness Printer took 7.01ms. Allocated memory is still 195.0MB. Free memory was 77.6MB in the beginning and 76.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (1 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 6 locations. One deterministic module has affine ranking function a and consists of 5 locations. One deterministic module has affine ranking function a and consists of 8 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.7s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 5.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 24 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 48 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 46 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 105 IncrementalHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 22 mSDtfsCounter, 105 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN1 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital37 mio100 ax175 hnf100 lsp62 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq157 hnf93 smp97 dnf661 smp55 tf105 neg100 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 309ms VariablesStem: 2 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 4 SupportingInvariants: 8 MotzkinApplications: 48 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 11 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-10-31 22:17:14,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:14,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed347636-4e04-4719-b787-20b6620b820d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE