./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Stockholm-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/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_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Stockholm-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/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_267b44ad-717d-468b-9288-63daab958395/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 0690e5781abea147059c8c3687dc0be9b462edcdf26c7ee50864c7e6884a231b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:08:30,355 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:08:30,457 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-31 22:08:30,465 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:08:30,465 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:08:30,499 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:08:30,501 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:08:30,501 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:08:30,502 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:08:30,502 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:08:30,504 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:08:30,504 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:08:30,505 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:08:30,507 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 22:08:30,508 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 22:08:30,508 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 22:08:30,508 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 22:08:30,509 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 22:08:30,509 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 22:08:30,509 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:08:30,510 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 22:08:30,512 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:08:30,514 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:08:30,515 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 22:08:30,515 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 22:08:30,515 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 22:08:30,516 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:08:30,516 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:08:30,516 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:08:30,516 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 22:08:30,517 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:08:30,517 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:08:30,517 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:08:30,518 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:08:30,518 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:08:30,518 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 22:08:30,519 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_267b44ad-717d-468b-9288-63daab958395/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0690e5781abea147059c8c3687dc0be9b462edcdf26c7ee50864c7e6884a231b [2024-10-31 22:08:30,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:08:30,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:08:30,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:08:30,823 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:08:30,824 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:08:30,825 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/termination-crafted/Stockholm-1.c Unable to find full path for "g++" [2024-10-31 22:08:32,996 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:08:33,165 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:08:33,166 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/sv-benchmarks/c/termination-crafted/Stockholm-1.c [2024-10-31 22:08:33,171 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/data/8fa11f2c3/2c004e7477254ec4a88b2f539b52acbf/FLAG3cbf50ff1 [2024-10-31 22:08:33,183 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/data/8fa11f2c3/2c004e7477254ec4a88b2f539b52acbf [2024-10-31 22:08:33,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:08:33,187 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:08:33,189 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:33,189 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:08:33,196 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:08:33,197 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:33" (1/1) ... [2024-10-31 22:08:33,198 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49210bae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:33, skipping insertion in model container [2024-10-31 22:08:33,198 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:33" (1/1) ... [2024-10-31 22:08:33,222 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:08:33,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:33,399 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:08:33,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:33,427 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:08:33,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:33 WrapperNode [2024-10-31 22:08:33,428 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:33,429 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:33,429 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:08:33,429 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:08:33,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:33" (1/1) ... [2024-10-31 22:08:33,441 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:33" (1/1) ... [2024-10-31 22:08:33,458 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2024-10-31 22:08:33,459 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:33,459 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:08:33,459 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:08:33,460 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:08:33,470 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:33" (1/1) ... [2024-10-31 22:08:33,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:33" (1/1) ... [2024-10-31 22:08:33,471 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:33" (1/1) ... [2024-10-31 22:08:33,477 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-31 22:08:33,477 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:33" (1/1) ... [2024-10-31 22:08:33,477 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:33" (1/1) ... [2024-10-31 22:08:33,479 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:33" (1/1) ... [2024-10-31 22:08:33,483 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:33" (1/1) ... [2024-10-31 22:08:33,484 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:33" (1/1) ... [2024-10-31 22:08:33,484 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:33" (1/1) ... [2024-10-31 22:08:33,486 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:08:33,487 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:08:33,487 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:08:33,487 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:08:33,488 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:33" (1/1) ... [2024-10-31 22:08:33,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:33,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:33,523 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:33,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 22:08:33,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:08:33,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:08:33,650 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:08:33,653 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:08:33,759 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-10-31 22:08:33,760 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:08:33,783 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:08:33,783 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:08:33,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:33 BoogieIcfgContainer [2024-10-31 22:08:33,784 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:08:33,785 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 22:08:33,786 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 22:08:33,790 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 22:08:33,791 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:08:33,791 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 10:08:33" (1/3) ... [2024-10-31 22:08:33,793 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c84357a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:08:33, skipping insertion in model container [2024-10-31 22:08:33,793 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:08:33,793 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:33" (2/3) ... [2024-10-31 22:08:33,794 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c84357a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:08:33, skipping insertion in model container [2024-10-31 22:08:33,794 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:08:33,794 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:33" (3/3) ... [2024-10-31 22:08:33,797 INFO L332 chiAutomizerObserver]: Analyzing ICFG Stockholm-1.c [2024-10-31 22:08:33,870 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 22:08:33,870 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 22:08:33,871 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 22:08:33,871 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 22:08:33,871 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 22:08:33,871 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 22:08:33,872 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 22:08:33,872 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 22:08:33,879 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 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 22:08:33,899 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-10-31 22:08:33,899 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:08:33,900 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:08:33,904 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-10-31 22:08:33,904 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-10-31 22:08:33,904 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 22:08:33,904 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 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 22:08:33,906 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-10-31 22:08:33,906 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:08:33,906 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:08:33,906 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-10-31 22:08:33,907 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-10-31 22:08:33,914 INFO L745 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~a~0#1, main_~b~0#1;havoc main_~x~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 3#L22true assume !!(-268435455 <= main_~x~0#1 && main_~x~0#1 <= 268435455); 8#L23true assume !!(-268435455 <= main_~a~0#1 && main_~a~0#1 <= 268435455); 11#L24true assume !!(-268435455 <= main_~b~0#1 && main_~b~0#1 <= 268435455); 6#L25true assume main_~a~0#1 == main_~b~0#1; 5#L26-2true [2024-10-31 22:08:33,915 INFO L747 eck$LassoCheckResult]: Loop: 5#L26-2true assume !!(main_~x~0#1 >= 0);main_~x~0#1 := main_~x~0#1 + main_~a~0#1 - main_~b~0#1 - 1; 5#L26-2true [2024-10-31 22:08:33,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:33,922 INFO L85 PathProgramCache]: Analyzing trace with hash 889571339, now seen corresponding path program 1 times [2024-10-31 22:08:33,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:33,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407056821] [2024-10-31 22:08:33,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:33,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:34,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:34,044 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:34,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:34,078 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:34,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:34,082 INFO L85 PathProgramCache]: Analyzing trace with hash 60, now seen corresponding path program 1 times [2024-10-31 22:08:34,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:34,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750500967] [2024-10-31 22:08:34,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:34,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:34,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:34,091 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:34,096 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:34,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:34,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1806907762, now seen corresponding path program 1 times [2024-10-31 22:08:34,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:34,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789876090] [2024-10-31 22:08:34,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:34,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:34,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:34,120 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:34,134 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:34,338 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:08:34,338 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:08:34,338 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:08:34,339 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:08:34,339 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:08:34,339 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:34,339 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:08:34,339 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:08:34,339 INFO L132 ssoRankerPreferences]: Filename of dumped script: Stockholm-1.c_Iteration1_Lasso [2024-10-31 22:08:34,340 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:08:34,340 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:08:34,390 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:34,403 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:34,408 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:34,413 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:34,419 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:34,426 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:34,459 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:34,598 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:08:34,600 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:08:34,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:34,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:34,605 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:34,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-31 22:08:34,608 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:08:34,608 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:08:34,639 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:08:34,640 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:08:34,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-31 22:08:34,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:34,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:34,663 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:34,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-31 22:08:34,666 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:08:34,666 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:08:34,685 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:08:34,685 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:08:34,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-10-31 22:08:34,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:34,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:34,706 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:34,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-31 22:08:34,709 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:08:34,709 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:08:34,728 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:08:34,728 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:08:34,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-10-31 22:08:34,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:34,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:34,749 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:34,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-31 22:08:34,753 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:08:34,753 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:08:34,768 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:08:34,768 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:08:34,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:34,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:34,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:34,789 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:34,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-31 22:08:34,793 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:08:34,794 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:08:34,820 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:08:34,821 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:08:34,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-10-31 22:08:34,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:34,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:34,838 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:34,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-31 22:08:34,842 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:08:34,842 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:08:34,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-10-31 22:08:34,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:34,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:34,913 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:34,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-31 22:08:34,916 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:08:34,916 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:08:34,963 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:08:34,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:34,967 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:08:34,967 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:08:34,968 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:08:34,968 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:08:34,968 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:08:34,968 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:34,968 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:08:34,968 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:08:34,969 INFO L132 ssoRankerPreferences]: Filename of dumped script: Stockholm-1.c_Iteration1_Lasso [2024-10-31 22:08:34,969 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:08:34,969 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:08:34,972 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:34,979 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:34,982 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:34,986 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:34,989 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:35,012 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:35,017 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:35,116 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:08:35,121 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:08:35,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:35,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:35,125 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:35,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-31 22:08:35,127 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 22:08:35,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:35,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:35,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:35,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:35,148 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:35,148 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:35,159 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:35,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:35,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:35,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:35,176 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:35,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-31 22:08:35,179 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 22:08:35,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:35,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:35,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:35,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:35,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:35,192 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:35,193 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:35,198 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:35,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-10-31 22:08:35,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:35,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:35,219 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:35,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-31 22:08:35,223 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 22:08:35,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:35,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:35,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:35,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:35,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:35,239 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:35,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:35,242 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:35,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:35,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:35,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:35,263 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:35,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-31 22:08:35,265 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 22:08:35,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:35,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:35,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:35,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:35,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:35,281 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:35,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:35,286 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:35,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-10-31 22:08:35,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:35,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:35,310 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:35,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-31 22:08:35,313 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:08:35,328 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:35,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:35,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:35,328 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:35,338 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:35,338 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:35,352 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:08:35,366 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-10-31 22:08:35,366 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-10-31 22:08:35,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:35,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:35,371 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:35,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-31 22:08:35,375 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:08:35,398 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-10-31 22:08:35,399 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:08:35,399 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 2*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [1*ULTIMATE.start_main_~b~0#1 - 1*ULTIMATE.start_main_~a~0#1 >= 0] [2024-10-31 22:08:35,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:35,429 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2024-10-31 22:08:35,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:35,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:35,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:08:35,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:35,549 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 22:08:35,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:35,551 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 22:08:35,600 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-10-31 22:08:35,602 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 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 2 states, 2 states have (on average 3.5) internal successors, (7), 2 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 22:08:35,677 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 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 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 20 states and 25 transitions. Complement of second has 4 states. [2024-10-31 22:08:35,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-31 22:08:35,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 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 22:08:35,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2024-10-31 22:08:35,691 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 6 letters. Loop has 1 letters. [2024-10-31 22:08:35,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:35,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 7 letters. Loop has 1 letters. [2024-10-31 22:08:35,693 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:35,693 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 6 letters. Loop has 2 letters. [2024-10-31 22:08:35,693 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:35,694 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 25 transitions. [2024-10-31 22:08:35,696 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 22:08:35,700 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2024-10-31 22:08:35,701 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-31 22:08:35,702 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-31 22:08:35,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-31 22:08:35,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:08:35,703 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:08:35,703 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:08:35,703 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:08:35,705 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-31 22:08:35,705 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-31 22:08:35,707 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 22:08:35,707 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-31 22:08:35,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 31.10 10:08:35 BoogieIcfgContainer [2024-10-31 22:08:35,717 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-31 22:08:35,719 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:08:35,720 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:08:35,720 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:08:35,721 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:33" (3/4) ... [2024-10-31 22:08:35,725 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:08:35,727 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:08:35,730 INFO L158 Benchmark]: Toolchain (without parser) took 2540.66ms. Allocated memory was 136.3MB in the beginning and 180.4MB in the end (delta: 44.0MB). Free memory was 97.3MB in the beginning and 111.9MB in the end (delta: -14.6MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2024-10-31 22:08:35,732 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 136.3MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:08:35,732 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.69ms. Allocated memory is still 136.3MB. Free memory was 97.3MB in the beginning and 85.8MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-31 22:08:35,733 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.65ms. Allocated memory is still 136.3MB. Free memory was 85.8MB in the beginning and 84.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:08:35,735 INFO L158 Benchmark]: Boogie Preprocessor took 26.55ms. Allocated memory is still 136.3MB. Free memory was 84.7MB in the beginning and 83.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:08:35,735 INFO L158 Benchmark]: RCFGBuilder took 297.51ms. Allocated memory is still 136.3MB. Free memory was 83.1MB in the beginning and 74.2MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-31 22:08:35,736 INFO L158 Benchmark]: BuchiAutomizer took 1933.75ms. Allocated memory was 136.3MB in the beginning and 180.4MB in the end (delta: 44.0MB). Free memory was 74.2MB in the beginning and 111.9MB in the end (delta: -37.6MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2024-10-31 22:08:35,736 INFO L158 Benchmark]: Witness Printer took 8.06ms. Allocated memory is still 180.4MB. Free memory is still 111.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:08:35,744 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 136.3MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.69ms. Allocated memory is still 136.3MB. Free memory was 97.3MB in the beginning and 85.8MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.65ms. Allocated memory is still 136.3MB. Free memory was 85.8MB in the beginning and 84.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.55ms. Allocated memory is still 136.3MB. Free memory was 84.7MB in the beginning and 83.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 297.51ms. Allocated memory is still 136.3MB. Free memory was 83.1MB in the beginning and 74.2MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1933.75ms. Allocated memory was 136.3MB in the beginning and 180.4MB in the end (delta: 44.0MB). Free memory was 74.2MB in the beginning and 111.9MB in the end (delta: -37.6MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Witness Printer took 8.06ms. Allocated memory is still 180.4MB. Free memory is still 111.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long) 2 * x) + 1) and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 13 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital32 mio100 ax137 hnf100 lsp72 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq140 hnf95 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 37ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s 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 22:08:35,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-10-31 22:08:35,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267b44ad-717d-468b-9288-63daab958395/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