./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/parity1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a0165632 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_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/parity1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX --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 d8e1d49d2ffb51335819faf1bb7f66fcb90558744e80d2094b40dcf0713f4c13 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:42:58,762 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:42:58,860 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-08 17:42:58,867 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:42:58,867 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:42:58,904 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:42:58,905 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:42:58,905 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:42:58,908 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:42:58,910 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:42:58,910 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:42:58,911 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:42:58,911 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:42:58,912 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-08 17:42:58,914 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-08 17:42:58,915 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-08 17:42:58,915 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-08 17:42:58,915 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-08 17:42:58,916 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-08 17:42:58,916 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:42:58,917 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-08 17:42:58,921 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:42:58,921 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:42:58,921 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-08 17:42:58,922 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-08 17:42:58,922 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-08 17:42:58,922 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:42:58,923 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:42:58,923 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:42:58,923 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-08 17:42:58,924 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:42:58,935 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:42:58,938 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:42:58,938 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:42:58,939 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:42:58,939 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-08 17:42:58,939 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_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8e1d49d2ffb51335819faf1bb7f66fcb90558744e80d2094b40dcf0713f4c13 [2024-11-08 17:42:59,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:42:59,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:42:59,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:42:59,285 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:42:59,286 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:42:59,287 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/termination-bwb/parity1.i Unable to find full path for "g++" [2024-11-08 17:43:01,289 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:43:01,453 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:43:01,454 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/sv-benchmarks/c/termination-bwb/parity1.i [2024-11-08 17:43:01,461 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/data/c69738b72/3a6d6abd19854d25aee52283badebff9/FLAG9181481ba [2024-11-08 17:43:01,475 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/data/c69738b72/3a6d6abd19854d25aee52283badebff9 [2024-11-08 17:43:01,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:43:01,479 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:43:01,480 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:43:01,480 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:43:01,488 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:43:01,489 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:43:01" (1/1) ... [2024-11-08 17:43:01,493 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48bfa531 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:43:01, skipping insertion in model container [2024-11-08 17:43:01,493 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:43:01" (1/1) ... [2024-11-08 17:43:01,518 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:43:01,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:43:01,684 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:43:01,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:43:01,710 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:43:01,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:43:01 WrapperNode [2024-11-08 17:43:01,711 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:43:01,712 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:43:01,712 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:43:01,712 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:43:01,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:43:01" (1/1) ... [2024-11-08 17:43:01,726 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:43:01" (1/1) ... [2024-11-08 17:43:01,746 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 33 [2024-11-08 17:43:01,746 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:43:01,747 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:43:01,747 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:43:01,747 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:43:01,758 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:43:01" (1/1) ... [2024-11-08 17:43:01,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:43:01" (1/1) ... [2024-11-08 17:43:01,760 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:43:01" (1/1) ... [2024-11-08 17:43:01,768 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 17:43:01,768 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:43:01" (1/1) ... [2024-11-08 17:43:01,768 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:43:01" (1/1) ... [2024-11-08 17:43:01,770 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:43:01" (1/1) ... [2024-11-08 17:43:01,773 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:43:01" (1/1) ... [2024-11-08 17:43:01,774 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:43:01" (1/1) ... [2024-11-08 17:43:01,775 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:43:01" (1/1) ... [2024-11-08 17:43:01,776 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:43:01,777 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:43:01,777 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:43:01,778 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:43:01,778 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:43:01" (1/1) ... [2024-11-08 17:43:01,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:43:01,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:43:01,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:43:01,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-08 17:43:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:43:01,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:43:01,909 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:43:01,911 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:43:02,029 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-08 17:43:02,029 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:43:02,040 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:43:02,040 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 17:43:02,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:43:02 BoogieIcfgContainer [2024-11-08 17:43:02,041 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:43:02,042 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-08 17:43:02,042 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-08 17:43:02,046 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-08 17:43:02,046 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 17:43:02,047 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.11 05:43:01" (1/3) ... [2024-11-08 17:43:02,048 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b87ed35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 05:43:02, skipping insertion in model container [2024-11-08 17:43:02,048 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 17:43:02,048 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:43:01" (2/3) ... [2024-11-08 17:43:02,048 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b87ed35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 05:43:02, skipping insertion in model container [2024-11-08 17:43:02,049 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 17:43:02,049 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:43:02" (3/3) ... [2024-11-08 17:43:02,050 INFO L332 chiAutomizerObserver]: Analyzing ICFG parity1.i [2024-11-08 17:43:02,109 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-08 17:43:02,110 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-08 17:43:02,110 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-08 17:43:02,110 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-08 17:43:02,110 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-08 17:43:02,110 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-08 17:43:02,110 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-08 17:43:02,111 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-08 17:43:02,117 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:43:02,132 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-08 17:43:02,132 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 17:43:02,132 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 17:43:02,136 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-08 17:43:02,137 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-08 17:43:02,137 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-08 17:43:02,137 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:43:02,138 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-08 17:43:02,139 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 17:43:02,139 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 17:43:02,139 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-08 17:43:02,139 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-08 17:43:02,146 INFO L745 eck$LassoCheckResult]: Stem: 11#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;~v~0 := 0;~y~0 := 0;~parity~0 := 0; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~post2#1, main_#t~bitwise3#1, main_~z~0#1.base, main_~z~0#1.offset;havoc main_~z~0#1.base, main_~z~0#1.offset;main_~z~0#1.base, main_~z~0#1.offset := 0, 0;~parity~0 := 0;havoc main_#t~nondet0#1;~y~0 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;~v~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 9#L13true assume !(~v~0 < 0); 12#L14-2true [2024-11-08 17:43:02,147 INFO L747 eck$LassoCheckResult]: Loop: 12#L14-2true assume ~v~0 > 0; 4#L14true assume !!(~v~0 > 0);main_#t~post2#1 := ~parity~0;~parity~0 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 7#L17true assume 0 == ~v~0 || 0 == ~v~0 - 1;main_#t~bitwise3#1 := 0; 13#L17-5true ~v~0 := main_#t~bitwise3#1;havoc main_#t~bitwise3#1; 12#L14-2true [2024-11-08 17:43:02,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:43:02,153 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2024-11-08 17:43:02,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:43:02,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823899640] [2024-11-08 17:43:02,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:43:02,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:43:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:43:02,254 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:43:02,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:43:02,277 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:43:02,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:43:02,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1267216, now seen corresponding path program 1 times [2024-11-08 17:43:02,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:43:02,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223137007] [2024-11-08 17:43:02,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:43:02,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:43:02,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:43:02,296 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:43:02,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:43:02,303 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:43:02,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:43:02,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1806876979, now seen corresponding path program 1 times [2024-11-08 17:43:02,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:43:02,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384879814] [2024-11-08 17:43:02,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:43:02,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:43:02,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:43:02,317 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:43:02,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:43:02,335 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:43:02,483 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 17:43:02,483 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 17:43:02,484 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 17:43:02,484 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 17:43:02,484 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-08 17:43:02,484 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:43:02,484 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 17:43:02,484 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 17:43:02,484 INFO L132 ssoRankerPreferences]: Filename of dumped script: parity1.i_Iteration1_Loop [2024-11-08 17:43:02,485 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 17:43:02,485 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 17:43:02,497 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:43:02,528 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:43:02,537 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:43:02,546 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:43:02,628 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 17:43:02,629 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-08 17:43:02,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:43:02,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:43:02,633 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:43:02,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-08 17:43:02,636 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 17:43:02,636 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:43:02,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-11-08 17:43:02,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:43:02,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:43:02,667 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:43:02,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-08 17:43:02,670 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-08 17:43:02,670 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:43:02,712 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 17:43:02,712 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~parity~0=0} Honda state: {~parity~0=0} Generalized eigenvectors: [{~parity~0=-3}, {~parity~0=2}, {~parity~0=2}] Lambdas: [1, 0, 1] Nus: [0, 1] [2024-11-08 17:43:02,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-08 17:43:02,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:43:02,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:43:02,734 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:43:02,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-08 17:43:02,736 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 17:43:02,736 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:43:02,752 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 17:43:02,752 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~bitwise3#1=0} Honda state: {ULTIMATE.start_main_#t~bitwise3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 17:43:02,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-08 17:43:02,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:43:02,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:43:02,773 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:43:02,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-08 17:43:02,776 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 17:43:02,776 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:43:02,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-08 17:43:02,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:43:02,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:43:02,809 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:43:02,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-08 17:43:02,813 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-08 17:43:02,813 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:43:02,830 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-08 17:43:02,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-08 17:43:02,842 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 17:43:02,842 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 17:43:02,843 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 17:43:02,843 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 17:43:02,843 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-08 17:43:02,843 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:43:02,843 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 17:43:02,843 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 17:43:02,843 INFO L132 ssoRankerPreferences]: Filename of dumped script: parity1.i_Iteration1_Loop [2024-11-08 17:43:02,844 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 17:43:02,844 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 17:43:02,845 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:43:02,857 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:43:02,862 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:43:02,877 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:43:02,940 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 17:43:02,945 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-08 17:43:02,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:43:02,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:43:02,949 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:43:02,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-08 17:43:02,953 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-08 17:43:02,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 17:43:02,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 17:43:02,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 17:43:02,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 17:43:02,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 17:43:02,973 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 17:43:02,973 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 17:43:02,982 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 17:43:03,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-08 17:43:03,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:43:03,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:43:03,005 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:43:03,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-08 17:43:03,009 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-08 17:43:03,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 17:43:03,023 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 17:43:03,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 17:43:03,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 17:43:03,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 17:43:03,025 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 17:43:03,025 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 17:43:03,027 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 17:43:03,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-08 17:43:03,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:43:03,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:43:03,040 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:43:03,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-08 17:43:03,044 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-08 17:43:03,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 17:43:03,057 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 17:43:03,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 17:43:03,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 17:43:03,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 17:43:03,059 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 17:43:03,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 17:43:03,064 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-08 17:43:03,069 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-08 17:43:03,070 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-08 17:43:03,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:43:03,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:43:03,081 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:43:03,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-08 17:43:03,084 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-08 17:43:03,084 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-08 17:43:03,084 INFO L474 LassoAnalysis]: Proved termination. [2024-11-08 17:43:03,085 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(~v~0) = 1*~v~0 Supporting invariants [] [2024-11-08 17:43:03,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-08 17:43:03,103 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-08 17:43:03,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:43:03,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:43:03,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 17:43:03,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:43:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:43:03,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 17:43:03,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:43:03,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:43:03,253 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-08 17:43:03,255 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:43:03,385 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 60 states and 80 transitions. Complement of second has 11 states. [2024-11-08 17:43:03,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2024-11-08 17:43:03,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:43:03,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 55 transitions. [2024-11-08 17:43:03,398 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 55 transitions. Stem has 3 letters. Loop has 4 letters. [2024-11-08 17:43:03,399 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 17:43:03,399 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 55 transitions. Stem has 7 letters. Loop has 4 letters. [2024-11-08 17:43:03,399 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 17:43:03,400 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 55 transitions. Stem has 3 letters. Loop has 8 letters. [2024-11-08 17:43:03,400 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 17:43:03,401 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 80 transitions. [2024-11-08 17:43:03,404 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-08 17:43:03,412 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 34 states and 40 transitions. [2024-11-08 17:43:03,413 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2024-11-08 17:43:03,413 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2024-11-08 17:43:03,414 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 40 transitions. [2024-11-08 17:43:03,414 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-08 17:43:03,414 INFO L218 hiAutomatonCegarLoop]: Abstraction has 34 states and 40 transitions. [2024-11-08 17:43:03,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 40 transitions. [2024-11-08 17:43:03,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 24. [2024-11-08 17:43:03,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 23 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:43:03,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 29 transitions. [2024-11-08 17:43:03,444 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 29 transitions. [2024-11-08 17:43:03,445 INFO L425 stractBuchiCegarLoop]: Abstraction has 24 states and 29 transitions. [2024-11-08 17:43:03,445 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-08 17:43:03,445 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 29 transitions. [2024-11-08 17:43:03,448 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-08 17:43:03,448 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 17:43:03,448 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 17:43:03,449 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-08 17:43:03,449 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-08 17:43:03,449 INFO L745 eck$LassoCheckResult]: Stem: 139#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;~v~0 := 0;~y~0 := 0;~parity~0 := 0; 140#L-1 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~post2#1, main_#t~bitwise3#1, main_~z~0#1.base, main_~z~0#1.offset;havoc main_~z~0#1.base, main_~z~0#1.offset;main_~z~0#1.base, main_~z~0#1.offset := 0, 0;~parity~0 := 0;havoc main_#t~nondet0#1;~y~0 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;~v~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 136#L13 assume ~v~0 < 0;~v~0 := -1 * ~v~0; 137#L14-2 [2024-11-08 17:43:03,449 INFO L747 eck$LassoCheckResult]: Loop: 137#L14-2 assume ~v~0 > 0; 151#L14 assume !!(~v~0 > 0);main_#t~post2#1 := ~parity~0;~parity~0 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 149#L17 assume 0 == ~v~0 || 0 == ~v~0 - 1;main_#t~bitwise3#1 := 0; 143#L17-5 ~v~0 := main_#t~bitwise3#1;havoc main_#t~bitwise3#1; 137#L14-2 [2024-11-08 17:43:03,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:43:03,450 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2024-11-08 17:43:03,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:43:03,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387552601] [2024-11-08 17:43:03,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:43:03,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:43:03,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:43:03,463 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:43:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:43:03,474 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:43:03,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:43:03,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1267216, now seen corresponding path program 2 times [2024-11-08 17:43:03,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:43:03,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978429220] [2024-11-08 17:43:03,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:43:03,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:43:03,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:43:03,487 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:43:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:43:03,499 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:43:03,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:43:03,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1805029937, now seen corresponding path program 1 times [2024-11-08 17:43:03,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:43:03,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695452476] [2024-11-08 17:43:03,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:43:03,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:43:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:43:03,517 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:43:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:43:03,527 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:43:03,584 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 17:43:03,584 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 17:43:03,584 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 17:43:03,585 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 17:43:03,585 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-08 17:43:03,585 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:43:03,585 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 17:43:03,585 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 17:43:03,585 INFO L132 ssoRankerPreferences]: Filename of dumped script: parity1.i_Iteration2_Loop [2024-11-08 17:43:03,585 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 17:43:03,585 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 17:43:03,586 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:43:03,593 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:43:03,598 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:43:03,602 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:43:03,653 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 17:43:03,653 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-08 17:43:03,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:43:03,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:43:03,658 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:43:03,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-08 17:43:03,661 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 17:43:03,661 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:43:03,677 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 17:43:03,677 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~bitwise3#1=0} Honda state: {ULTIMATE.start_main_#t~bitwise3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 17:43:03,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-08 17:43:03,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:43:03,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:43:03,697 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:43:03,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-08 17:43:03,702 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 17:43:03,702 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:43:03,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-08 17:43:03,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:43:03,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:43:03,741 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:43:03,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-08 17:43:03,744 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-08 17:43:03,744 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:43:03,777 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 17:43:03,778 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~parity~0=0} Honda state: {~parity~0=0} Generalized eigenvectors: [{~parity~0=-3}, {~parity~0=2}, {~parity~0=2}] Lambdas: [1, 0, 1] Nus: [0, 1] [2024-11-08 17:43:03,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-11-08 17:43:03,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:43:03,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:43:03,794 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:43:03,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-08 17:43:03,796 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 17:43:03,796 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:43:03,809 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 17:43:03,809 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2#1=0} Honda state: {ULTIMATE.start_main_#t~post2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 17:43:03,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-08 17:43:03,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:43:03,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:43:03,823 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:43:03,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-08 17:43:03,825 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 17:43:03,825 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:43:03,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-08 17:43:03,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:43:03,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:43:03,853 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:43:03,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-08 17:43:03,855 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-08 17:43:03,856 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:43:03,870 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-08 17:43:03,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-08 17:43:03,884 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 17:43:03,884 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 17:43:03,884 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 17:43:03,884 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 17:43:03,884 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-08 17:43:03,884 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:43:03,884 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 17:43:03,884 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 17:43:03,884 INFO L132 ssoRankerPreferences]: Filename of dumped script: parity1.i_Iteration2_Loop [2024-11-08 17:43:03,885 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 17:43:03,885 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 17:43:03,886 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:43:03,890 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:43:03,893 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:43:03,896 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:43:03,942 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 17:43:03,943 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-08 17:43:03,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:43:03,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:43:03,945 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:43:03,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-08 17:43:03,948 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-08 17:43:03,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 17:43:03,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 17:43:03,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 17:43:03,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 17:43:03,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 17:43:03,962 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 17:43:03,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 17:43:03,964 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 17:43:03,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-08 17:43:03,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:43:03,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:43:03,978 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:43:03,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-08 17:43:03,980 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-08 17:43:03,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 17:43:03,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 17:43:03,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 17:43:03,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 17:43:03,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 17:43:03,992 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 17:43:03,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 17:43:03,994 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 17:43:04,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-08 17:43:04,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:43:04,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:43:04,007 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:43:04,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-08 17:43:04,009 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-08 17:43:04,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 17:43:04,020 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 17:43:04,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 17:43:04,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 17:43:04,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 17:43:04,021 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 17:43:04,021 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 17:43:04,025 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 17:43:04,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-11-08 17:43:04,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:43:04,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:43:04,039 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:43:04,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-08 17:43:04,041 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-08 17:43:04,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 17:43:04,052 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 17:43:04,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 17:43:04,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 17:43:04,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 17:43:04,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 17:43:04,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 17:43:04,057 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-08 17:43:04,059 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-11-08 17:43:04,059 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-08 17:43:04,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:43:04,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:43:04,062 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:43:04,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-08 17:43:04,065 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-08 17:43:04,065 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-08 17:43:04,069 INFO L474 LassoAnalysis]: Proved termination. [2024-11-08 17:43:04,069 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(~v~0) = 1*~v~0 Supporting invariants [] [2024-11-08 17:43:04,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-11-08 17:43:04,095 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-08 17:43:04,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:43:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:43:04,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 17:43:04,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:43:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:43:04,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 17:43:04,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:43:04,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:43:04,174 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-08 17:43:04,175 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 29 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:43:04,248 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 29 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 44 states and 53 transitions. Complement of second has 8 states. [2024-11-08 17:43:04,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-08 17:43:04,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:43:04,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions. [2024-11-08 17:43:04,251 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 3 letters. Loop has 4 letters. [2024-11-08 17:43:04,252 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 17:43:04,252 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 7 letters. Loop has 4 letters. [2024-11-08 17:43:04,252 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 17:43:04,252 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 3 letters. Loop has 8 letters. [2024-11-08 17:43:04,253 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 17:43:04,253 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 53 transitions. [2024-11-08 17:43:04,254 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-08 17:43:04,255 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 43 states and 51 transitions. [2024-11-08 17:43:04,255 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2024-11-08 17:43:04,255 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2024-11-08 17:43:04,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 51 transitions. [2024-11-08 17:43:04,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-08 17:43:04,256 INFO L218 hiAutomatonCegarLoop]: Abstraction has 43 states and 51 transitions. [2024-11-08 17:43:04,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 51 transitions. [2024-11-08 17:43:04,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 18. [2024-11-08 17:43:04,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 17 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:43:04,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2024-11-08 17:43:04,258 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 22 transitions. [2024-11-08 17:43:04,258 INFO L425 stractBuchiCegarLoop]: Abstraction has 18 states and 22 transitions. [2024-11-08 17:43:04,258 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-08 17:43:04,258 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 22 transitions. [2024-11-08 17:43:04,259 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-08 17:43:04,259 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 17:43:04,259 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 17:43:04,260 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-08 17:43:04,260 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-08 17:43:04,260 INFO L745 eck$LassoCheckResult]: Stem: 255#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;~v~0 := 0;~y~0 := 0;~parity~0 := 0; 256#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~post2#1, main_#t~bitwise3#1, main_~z~0#1.base, main_~z~0#1.offset;havoc main_~z~0#1.base, main_~z~0#1.offset;main_~z~0#1.base, main_~z~0#1.offset := 0, 0;~parity~0 := 0;havoc main_#t~nondet0#1;~y~0 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;~v~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 253#L13 assume !(~v~0 < 0); 254#L14-2 assume ~v~0 > 0; 257#L14 [2024-11-08 17:43:04,260 INFO L747 eck$LassoCheckResult]: Loop: 257#L14 assume !!(~v~0 > 0);main_#t~post2#1 := ~parity~0;~parity~0 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 246#L17 assume !(0 == ~v~0 || 0 == ~v~0 - 1); 247#L17-2 assume !(~v~0 == ~v~0 - 1); 251#L17-4 havoc main_#t~bitwise3#1;assume (((((~v~0 < 0 && ~v~0 - 1 >= 0) || main_#t~bitwise3#1 <= ~v~0) && ((~v~0 >= 0 && ~v~0 - 1 < 0) || main_#t~bitwise3#1 <= ~v~0 - 1)) && ((~v~0 < 0 && ~v~0 - 1 < 0) || main_#t~bitwise3#1 >= 0)) && ((~v~0 >= 0 && ~v~0 - 1 >= 0) || main_#t~bitwise3#1 > ~v~0 + (~v~0 - 1))) && main_#t~bitwise3#1 >= -2147483648; 261#L17-5 ~v~0 := main_#t~bitwise3#1;havoc main_#t~bitwise3#1; 259#L14-2 assume ~v~0 > 0; 257#L14 [2024-11-08 17:43:04,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:43:04,260 INFO L85 PathProgramCache]: Analyzing trace with hash 925671, now seen corresponding path program 1 times [2024-11-08 17:43:04,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:43:04,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533758099] [2024-11-08 17:43:04,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:43:04,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:43:04,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:43:04,266 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:43:04,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:43:04,274 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:43:04,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:43:04,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1365765461, now seen corresponding path program 1 times [2024-11-08 17:43:04,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:43:04,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028292235] [2024-11-08 17:43:04,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:43:04,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:43:04,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:43:04,287 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:43:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:43:04,309 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:43:04,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:43:04,310 INFO L85 PathProgramCache]: Analyzing trace with hash -151254853, now seen corresponding path program 1 times [2024-11-08 17:43:04,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:43:04,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112842665] [2024-11-08 17:43:04,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:43:04,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:43:04,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:43:04,336 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:43:04,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:43:04,358 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:43:04,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-08 17:43:04,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-08 17:43:04,502 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 17:43:04,503 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 17:43:04,503 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 17:43:04,503 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 17:43:04,503 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-08 17:43:04,503 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:43:04,503 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 17:43:04,503 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 17:43:04,503 INFO L132 ssoRankerPreferences]: Filename of dumped script: parity1.i_Iteration3_Loop [2024-11-08 17:43:04,504 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 17:43:04,504 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 17:43:04,505 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:43:04,509 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:43:04,516 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:43:04,519 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:43:04,559 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 17:43:04,559 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-08 17:43:04,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:43:04,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:43:04,562 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:43:04,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-08 17:43:04,564 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 17:43:04,564 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:43:04,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-08 17:43:04,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:43:04,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:43:04,600 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:43:04,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-08 17:43:04,603 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-08 17:43:04,604 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:43:04,640 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 17:43:04,640 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~parity~0=0} Honda state: {~parity~0=0} Generalized eigenvectors: [{~parity~0=-3}, {~parity~0=2}, {~parity~0=2}] Lambdas: [1, 0, 1] Nus: [0, 1] [2024-11-08 17:43:04,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-11-08 17:43:04,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:43:04,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:43:04,659 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:43:04,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-08 17:43:04,661 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 17:43:04,661 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:43:04,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-08 17:43:04,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:43:04,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:43:04,696 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:43:04,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-08 17:43:04,699 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-08 17:43:04,699 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 17:43:04,764 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-08 17:43:04,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-11-08 17:43:04,770 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 17:43:04,770 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 17:43:04,771 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 17:43:04,771 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 17:43:04,771 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-08 17:43:04,771 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:43:04,771 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 17:43:04,771 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 17:43:04,771 INFO L132 ssoRankerPreferences]: Filename of dumped script: parity1.i_Iteration3_Loop [2024-11-08 17:43:04,771 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 17:43:04,771 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 17:43:04,772 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:43:04,778 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:43:04,785 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:43:04,788 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 17:43:04,818 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 17:43:04,818 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-08 17:43:04,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:43:04,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:43:04,821 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:43:04,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-08 17:43:04,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-08 17:43:04,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 17:43:04,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 17:43:04,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 17:43:04,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 17:43:04,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 17:43:04,838 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 17:43:04,838 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 17:43:04,844 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 17:43:04,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-08 17:43:04,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:43:04,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:43:04,865 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:43:04,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-08 17:43:04,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-08 17:43:04,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 17:43:04,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 17:43:04,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 17:43:04,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 17:43:04,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 17:43:04,883 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 17:43:04,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 17:43:04,886 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-08 17:43:04,889 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-08 17:43:04,890 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-08 17:43:04,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 17:43:04,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:43:04,892 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 17:43:04,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-08 17:43:04,894 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-08 17:43:04,894 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-08 17:43:04,894 INFO L474 LassoAnalysis]: Proved termination. [2024-11-08 17:43:04,894 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(~v~0) = 1*~v~0 Supporting invariants [] [2024-11-08 17:43:04,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-11-08 17:43:04,914 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-08 17:43:04,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:43:04,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:43:04,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 17:43:04,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:43:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:43:04,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 17:43:04,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:43:05,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:43:05,042 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2024-11-08 17:43:05,042 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 22 transitions. cyclomatic complexity: 6 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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) [2024-11-08 17:43:05,100 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 22 transitions. cyclomatic complexity: 6. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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 34 states and 42 transitions. Complement of second has 6 states. [2024-11-08 17:43:05,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-08 17:43:05,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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) [2024-11-08 17:43:05,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-11-08 17:43:05,102 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 4 letters. Loop has 6 letters. [2024-11-08 17:43:05,102 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 17:43:05,102 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 10 letters. Loop has 6 letters. [2024-11-08 17:43:05,102 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 17:43:05,102 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 4 letters. Loop has 12 letters. [2024-11-08 17:43:05,103 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 17:43:05,103 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 42 transitions. [2024-11-08 17:43:05,104 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-08 17:43:05,104 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 0 states and 0 transitions. [2024-11-08 17:43:05,104 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-08 17:43:05,104 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-08 17:43:05,104 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-08 17:43:05,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 17:43:05,104 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 17:43:05,105 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 17:43:05,105 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 17:43:05,105 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-08 17:43:05,105 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-08 17:43:05,105 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-08 17:43:05,105 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-08 17:43:05,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.11 05:43:05 BoogieIcfgContainer [2024-11-08 17:43:05,113 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-08 17:43:05,113 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:43:05,113 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:43:05,113 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:43:05,114 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:43:02" (3/4) ... [2024-11-08 17:43:05,116 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:43:05,117 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:43:05,118 INFO L158 Benchmark]: Toolchain (without parser) took 3639.04ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 97.6MB in the beginning and 107.7MB in the end (delta: -10.0MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2024-11-08 17:43:05,119 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 140.5MB. Free memory was 108.5MB in the beginning and 108.3MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:43:05,119 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.22ms. Allocated memory is still 140.5MB. Free memory was 97.6MB in the beginning and 86.2MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 17:43:05,120 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.11ms. Allocated memory is still 140.5MB. Free memory was 86.2MB in the beginning and 85.0MB in the end (delta: 1.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:43:05,120 INFO L158 Benchmark]: Boogie Preprocessor took 29.76ms. Allocated memory is still 140.5MB. Free memory was 85.0MB in the beginning and 83.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:43:05,120 INFO L158 Benchmark]: RCFGBuilder took 263.90ms. Allocated memory is still 140.5MB. Free memory was 83.5MB in the beginning and 73.6MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 17:43:05,121 INFO L158 Benchmark]: BuchiAutomizer took 3070.67ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 73.6MB in the beginning and 107.7MB in the end (delta: -34.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:43:05,121 INFO L158 Benchmark]: Witness Printer took 4.15ms. Allocated memory is still 169.9MB. Free memory is still 107.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:43:05,124 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65ms. Allocated memory is still 140.5MB. Free memory was 108.5MB in the beginning and 108.3MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.22ms. Allocated memory is still 140.5MB. Free memory was 97.6MB in the beginning and 86.2MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.11ms. Allocated memory is still 140.5MB. Free memory was 86.2MB in the beginning and 85.0MB in the end (delta: 1.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.76ms. Allocated memory is still 140.5MB. Free memory was 85.0MB in the beginning and 83.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 263.90ms. Allocated memory is still 140.5MB. Free memory was 83.5MB in the beginning and 73.6MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 3070.67ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 73.6MB in the beginning and 107.7MB in the end (delta: -34.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.15ms. Allocated memory is still 169.9MB. Free memory is still 107.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function v and consists of 7 locations. One deterministic module has affine ranking function v and consists of 5 locations. One deterministic module has affine ranking function v and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 35 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 76 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 73 mSDsluCounter, 57 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 67 IncrementalHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 41 mSDtfsCounter, 67 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax100 hnf100 lsp63 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq173 hnf91 smp100 dnf100 smp100 tf115 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 36ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 3 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-08 17:43:05,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-08 17:43:05,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b73980-b897-4e29-9dbd-49fbc45a73a0/bin/uautomizer-verify-jihMAELWvX/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