./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/BradleyMannaSipma-CAV2005-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/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_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/BradleyMannaSipma-CAV2005-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/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_0671f37d-9418-47e9-9432-cdfa14265c8b/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 8553bd7027647a5604588c30aa29c454809a172163824e055b8bdeea70d5613d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:41:31,660 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:41:31,761 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-08 16:41:31,769 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:41:31,770 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:41:31,806 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:41:31,807 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:41:31,807 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:41:31,809 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:41:31,810 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:41:31,811 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:41:31,811 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:41:31,812 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:41:31,812 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-08 16:41:31,814 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-08 16:41:31,814 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-08 16:41:31,815 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-08 16:41:31,818 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-08 16:41:31,818 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-08 16:41:31,818 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:41:31,819 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-08 16:41:31,819 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:41:31,819 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:41:31,820 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-08 16:41:31,820 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-08 16:41:31,820 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-08 16:41:31,821 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:41:31,821 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:41:31,821 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:41:31,821 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-08 16:41:31,822 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:41:31,822 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:41:31,822 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:41:31,823 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:41:31,823 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:41:31,823 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-08 16:41:31,824 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_0671f37d-9418-47e9-9432-cdfa14265c8b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8553bd7027647a5604588c30aa29c454809a172163824e055b8bdeea70d5613d [2024-11-08 16:41:32,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:41:32,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:41:32,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:41:32,143 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:41:32,144 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:41:32,145 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/termination-crafted-lit/BradleyMannaSipma-CAV2005-Fig1.c Unable to find full path for "g++" [2024-11-08 16:41:34,238 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:41:34,460 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:41:34,460 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/sv-benchmarks/c/termination-crafted-lit/BradleyMannaSipma-CAV2005-Fig1.c [2024-11-08 16:41:34,468 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/data/e127a49ec/4d1f57035dc54824ba62a2c543e30179/FLAG1066dacce [2024-11-08 16:41:34,489 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/data/e127a49ec/4d1f57035dc54824ba62a2c543e30179 [2024-11-08 16:41:34,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:41:34,493 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:41:34,495 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:41:34,495 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:41:34,501 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:41:34,502 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:41:34" (1/1) ... [2024-11-08 16:41:34,503 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4444127c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:41:34, skipping insertion in model container [2024-11-08 16:41:34,503 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:41:34" (1/1) ... [2024-11-08 16:41:34,526 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:41:34,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:41:34,704 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:41:34,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:41:34,735 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:41:34,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:41:34 WrapperNode [2024-11-08 16:41:34,735 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:41:34,736 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:41:34,737 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:41:34,737 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:41:34,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:41:34" (1/1) ... [2024-11-08 16:41:34,749 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:41:34" (1/1) ... [2024-11-08 16:41:34,766 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2024-11-08 16:41:34,766 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:41:34,767 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:41:34,767 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:41:34,767 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:41:34,778 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:41:34" (1/1) ... [2024-11-08 16:41:34,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:41:34" (1/1) ... [2024-11-08 16:41:34,779 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:41:34" (1/1) ... [2024-11-08 16:41:34,785 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 16:41:34,786 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:41:34" (1/1) ... [2024-11-08 16:41:34,786 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:41:34" (1/1) ... [2024-11-08 16:41:34,787 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:41:34" (1/1) ... [2024-11-08 16:41:34,791 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:41:34" (1/1) ... [2024-11-08 16:41:34,792 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:41:34" (1/1) ... [2024-11-08 16:41:34,793 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:41:34" (1/1) ... [2024-11-08 16:41:34,794 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:41:34,795 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:41:34,795 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:41:34,795 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:41:34,796 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:41:34" (1/1) ... [2024-11-08 16:41:34,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:34,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:34,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:34,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-08 16:41:34,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:41:34,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:41:34,956 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:41:34,959 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:41:35,028 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 16:41:35,029 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:41:35,040 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:41:35,040 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:41:35,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:41:35 BoogieIcfgContainer [2024-11-08 16:41:35,041 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:41:35,042 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-08 16:41:35,042 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-08 16:41:35,046 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-08 16:41:35,047 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 16:41:35,048 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.11 04:41:34" (1/3) ... [2024-11-08 16:41:35,049 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@16b6a12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 04:41:35, skipping insertion in model container [2024-11-08 16:41:35,049 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 16:41:35,049 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:41:34" (2/3) ... [2024-11-08 16:41:35,051 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@16b6a12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 04:41:35, skipping insertion in model container [2024-11-08 16:41:35,051 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 16:41:35,051 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:41:35" (3/3) ... [2024-11-08 16:41:35,054 INFO L332 chiAutomizerObserver]: Analyzing ICFG BradleyMannaSipma-CAV2005-Fig1.c [2024-11-08 16:41:35,109 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-08 16:41:35,109 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-08 16:41:35,110 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-08 16:41:35,110 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-08 16:41:35,110 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-08 16:41:35,110 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-08 16:41:35,110 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-08 16:41:35,110 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-08 16:41:35,115 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:41:35,135 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-08 16:41:35,135 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 16:41:35,135 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 16:41:35,140 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-08 16:41:35,140 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-08 16:41:35,140 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-08 16:41:35,141 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:41:35,142 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-08 16:41:35,142 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 16:41:35,142 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 16:41:35,143 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-08 16:41:35,143 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-08 16:41:35,149 INFO L745 eck$LassoCheckResult]: Stem: 8#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~y1~0#1, main_~y2~0#1;havoc main_~y1~0#1;havoc main_~y2~0#1;havoc main_#t~nondet0#1;main_~y1~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y2~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 3#L18true assume main_~y1~0#1 > 0 && main_~y2~0#1 > 0; 6#L20-2true [2024-11-08 16:41:35,149 INFO L747 eck$LassoCheckResult]: Loop: 6#L20-2true assume main_~y1~0#1 != main_~y2~0#1; 7#L19-1true assume !!(main_~y1~0#1 != main_~y2~0#1); 10#L20true assume main_~y1~0#1 > main_~y2~0#1;main_~y1~0#1 := main_~y1~0#1 - main_~y2~0#1; 6#L20-2true [2024-11-08 16:41:35,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:41:35,155 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2024-11-08 16:41:35,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:41:35,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164850681] [2024-11-08 16:41:35,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:41:35,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:41:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:41:35,250 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:41:35,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:41:35,268 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:41:35,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:41:35,270 INFO L85 PathProgramCache]: Analyzing trace with hash 38891, now seen corresponding path program 1 times [2024-11-08 16:41:35,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:41:35,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349384109] [2024-11-08 16:41:35,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:41:35,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:41:35,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:41:35,283 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:41:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:41:35,290 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:41:35,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:41:35,292 INFO L85 PathProgramCache]: Analyzing trace with hash 889508778, now seen corresponding path program 1 times [2024-11-08 16:41:35,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:41:35,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089660193] [2024-11-08 16:41:35,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:41:35,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:41:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:41:35,303 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:41:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:41:35,310 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:41:35,416 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 16:41:35,417 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 16:41:35,417 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 16:41:35,418 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 16:41:35,418 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-08 16:41:35,418 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:35,418 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 16:41:35,418 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 16:41:35,418 INFO L132 ssoRankerPreferences]: Filename of dumped script: BradleyMannaSipma-CAV2005-Fig1.c_Iteration1_Lasso [2024-11-08 16:41:35,419 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 16:41:35,419 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 16:41:35,438 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:35,454 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:35,461 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:35,472 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:35,479 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:35,484 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:35,603 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 16:41:35,604 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-08 16:41:35,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:35,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:35,609 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:35,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-08 16:41:35,612 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 16:41:35,612 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:41:35,636 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 16:41:35,636 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 16:41:35,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-08 16:41:35,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:35,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:35,659 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:35,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-08 16:41:35,662 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 16:41:35,663 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:41:35,682 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 16:41:35,683 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 16:41:35,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-08 16:41:35,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:35,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:35,719 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:35,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-08 16:41:35,723 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 16:41:35,724 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:41:35,741 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 16:41:35,741 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 16:41:35,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-08 16:41:35,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:35,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:35,760 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:35,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-08 16:41:35,762 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 16:41:35,763 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:41:35,786 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 16:41:35,787 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 16:41:35,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-08 16:41:35,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:35,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:35,801 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:35,803 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 16:41:35,803 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:41:35,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-08 16:41:35,817 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 16:41:35,817 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 16:41:35,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-08 16:41:35,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:35,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:35,831 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:35,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-08 16:41:35,836 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 16:41:35,837 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:41:35,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-08 16:41:35,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:35,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:35,875 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:35,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-08 16:41:35,877 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-08 16:41:35,877 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:41:36,042 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-08 16:41:36,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-08 16:41:36,046 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 16:41:36,046 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 16:41:36,046 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 16:41:36,047 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 16:41:36,047 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-08 16:41:36,047 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:36,047 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 16:41:36,047 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 16:41:36,047 INFO L132 ssoRankerPreferences]: Filename of dumped script: BradleyMannaSipma-CAV2005-Fig1.c_Iteration1_Lasso [2024-11-08 16:41:36,047 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 16:41:36,048 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 16:41:36,052 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:36,060 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:36,067 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:36,072 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:36,078 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:36,085 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:36,192 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 16:41:36,199 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-08 16:41:36,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:36,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:36,201 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:36,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-08 16:41:36,204 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 16:41:36,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 16:41:36,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 16:41:36,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 16:41:36,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 16:41:36,223 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 16:41:36,224 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 16:41:36,233 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 16:41:36,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-08 16:41:36,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:36,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:36,257 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:36,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-08 16:41:36,262 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 16:41:36,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 16:41:36,274 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 16:41:36,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 16:41:36,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 16:41:36,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 16:41:36,276 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 16:41:36,276 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 16:41:36,281 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 16:41:36,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-08 16:41:36,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:36,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:36,302 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:36,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-08 16:41:36,306 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 16:41:36,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 16:41:36,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 16:41:36,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 16:41:36,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 16:41:36,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 16:41:36,324 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 16:41:36,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 16:41:36,326 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 16:41:36,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-08 16:41:36,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:36,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:36,341 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:36,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-08 16:41:36,343 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 16:41:36,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 16:41:36,355 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 16:41:36,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 16:41:36,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 16:41:36,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 16:41:36,357 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 16:41:36,357 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 16:41:36,360 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 16:41:36,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-08 16:41:36,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:36,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:36,383 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:36,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-08 16:41:36,387 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 16:41:36,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 16:41:36,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 16:41:36,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 16:41:36,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 16:41:36,406 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 16:41:36,407 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 16:41:36,417 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 16:41:36,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-08 16:41:36,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:36,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:36,438 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:36,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-08 16:41:36,442 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 16:41:36,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 16:41:36,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 16:41:36,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 16:41:36,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 16:41:36,464 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 16:41:36,465 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 16:41:36,480 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-08 16:41:36,498 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-11-08 16:41:36,498 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-11-08 16:41:36,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:36,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:36,512 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:36,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-08 16:41:36,520 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-08 16:41:36,535 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 2. [2024-11-08 16:41:36,535 INFO L474 LassoAnalysis]: Proved termination. [2024-11-08 16:41:36,536 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y1~0#1) = 2*ULTIMATE.start_main_~y1~0#1 + 1 Supporting invariants [1*ULTIMATE.start_main_~y2~0#1 - 1 >= 0, 1*ULTIMATE.start_main_~y1~0#1 >= 0] [2024-11-08 16:41:36,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-08 16:41:36,558 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2024-11-08 16:41:36,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:41:36,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:41:36,620 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 16:41:36,621 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:41:36,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:41:36,639 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 16:41:36,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:41:36,675 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 16:41:36,710 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-08 16:41:36,711 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:41:36,787 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 28 transitions. Complement of second has 5 states. [2024-11-08 16:41:36,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-08 16:41:36,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:41:36,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2024-11-08 16:41:36,798 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 3 letters. Loop has 3 letters. [2024-11-08 16:41:36,799 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 16:41:36,799 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 6 letters. Loop has 3 letters. [2024-11-08 16:41:36,800 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 16:41:36,801 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 3 letters. Loop has 6 letters. [2024-11-08 16:41:36,803 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 16:41:36,807 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2024-11-08 16:41:36,809 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-08 16:41:36,812 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 12 states and 15 transitions. [2024-11-08 16:41:36,814 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-11-08 16:41:36,814 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-08 16:41:36,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2024-11-08 16:41:36,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-08 16:41:36,816 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2024-11-08 16:41:36,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2024-11-08 16:41:36,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-08 16:41:36,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:41:36,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2024-11-08 16:41:36,853 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2024-11-08 16:41:36,853 INFO L425 stractBuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2024-11-08 16:41:36,853 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-08 16:41:36,854 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2024-11-08 16:41:36,854 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-08 16:41:36,855 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 16:41:36,856 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 16:41:36,856 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-08 16:41:36,856 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-08 16:41:36,856 INFO L745 eck$LassoCheckResult]: Stem: 93#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 94#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_~y1~0#1, main_~y2~0#1;havoc main_~y1~0#1;havoc main_~y2~0#1;havoc main_#t~nondet0#1;main_~y1~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y2~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 84#L18 assume main_~y1~0#1 > 0 && main_~y2~0#1 > 0; 85#L20-2 assume main_~y1~0#1 != main_~y2~0#1; 90#L19-1 assume !!(main_~y1~0#1 != main_~y2~0#1); 91#L20 assume !(main_~y1~0#1 > main_~y2~0#1);main_~y2~0#1 := main_~y2~0#1 - main_~y1~0#1; 86#L20-2 [2024-11-08 16:41:36,857 INFO L747 eck$LassoCheckResult]: Loop: 86#L20-2 assume main_~y1~0#1 != main_~y2~0#1; 87#L19-1 assume !!(main_~y1~0#1 != main_~y2~0#1); 95#L20 assume main_~y1~0#1 > main_~y2~0#1;main_~y1~0#1 := main_~y1~0#1 - main_~y2~0#1; 86#L20-2 [2024-11-08 16:41:36,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:41:36,857 INFO L85 PathProgramCache]: Analyzing trace with hash 889508780, now seen corresponding path program 1 times [2024-11-08 16:41:36,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:41:36,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646802624] [2024-11-08 16:41:36,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:41:36,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:41:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:41:36,870 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:41:36,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:41:36,879 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:41:36,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:41:36,881 INFO L85 PathProgramCache]: Analyzing trace with hash 38891, now seen corresponding path program 2 times [2024-11-08 16:41:36,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:41:36,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620142070] [2024-11-08 16:41:36,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:41:36,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:41:36,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:41:36,889 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:41:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:41:36,894 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:41:36,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:41:36,895 INFO L85 PathProgramCache]: Analyzing trace with hash -592142240, now seen corresponding path program 1 times [2024-11-08 16:41:36,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:41:36,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496817567] [2024-11-08 16:41:36,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:41:36,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:41:36,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:41:36,903 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:41:36,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:41:36,910 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:41:36,996 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 16:41:36,996 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 16:41:36,996 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 16:41:36,996 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 16:41:36,997 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-08 16:41:36,997 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:36,997 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 16:41:36,997 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 16:41:36,997 INFO L132 ssoRankerPreferences]: Filename of dumped script: BradleyMannaSipma-CAV2005-Fig1.c_Iteration2_Lasso [2024-11-08 16:41:36,997 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 16:41:36,997 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 16:41:36,999 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:37,003 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:37,006 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:37,020 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:37,024 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:37,027 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:37,092 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 16:41:37,093 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-08 16:41:37,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:37,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:37,095 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:37,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-08 16:41:37,098 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 16:41:37,098 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:41:37,122 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 16:41:37,123 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 16:41:37,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-08 16:41:37,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:37,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:37,145 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:37,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-08 16:41:37,149 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 16:41:37,149 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:41:37,170 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 16:41:37,170 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 16:41:37,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-08 16:41:37,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:37,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:37,192 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:37,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-08 16:41:37,195 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 16:41:37,195 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:41:37,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-08 16:41:37,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:37,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:37,242 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:37,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-08 16:41:37,247 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-08 16:41:37,247 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:41:37,406 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-08 16:41:37,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-08 16:41:37,411 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 16:41:37,411 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 16:41:37,411 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 16:41:37,411 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 16:41:37,411 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-08 16:41:37,411 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:37,411 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 16:41:37,411 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 16:41:37,412 INFO L132 ssoRankerPreferences]: Filename of dumped script: BradleyMannaSipma-CAV2005-Fig1.c_Iteration2_Lasso [2024-11-08 16:41:37,412 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 16:41:37,412 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 16:41:37,413 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:37,420 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:37,423 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:37,442 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:37,446 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:37,452 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:37,529 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 16:41:37,529 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-08 16:41:37,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:37,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:37,534 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:37,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-08 16:41:37,561 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 16:41:37,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-08 16:41:37,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 16:41:37,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 16:41:37,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 16:41:37,580 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 16:41:37,583 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 16:41:37,584 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 16:41:37,588 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 16:41:37,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-08 16:41:37,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:37,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:37,615 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:37,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-08 16:41:37,621 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 16:41:37,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 16:41:37,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 16:41:37,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 16:41:37,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 16:41:37,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 16:41:37,638 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 16:41:37,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 16:41:37,657 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 16:41:37,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-08 16:41:37,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:37,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:37,688 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:37,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-08 16:41:37,691 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 16:41:37,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 16:41:37,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 16:41:37,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 16:41:37,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 16:41:37,709 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 16:41:37,709 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 16:41:37,718 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-08 16:41:37,725 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-08 16:41:37,725 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-08 16:41:37,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:37,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:37,727 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:37,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-08 16:41:37,730 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-08 16:41:37,746 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-08 16:41:37,747 INFO L474 LassoAnalysis]: Proved termination. [2024-11-08 16:41:37,747 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y1~0#1, ULTIMATE.start_main_~y2~0#1) = 1*ULTIMATE.start_main_~y1~0#1 - 1*ULTIMATE.start_main_~y2~0#1 Supporting invariants [1*ULTIMATE.start_main_~y2~0#1 - 1 >= 0] [2024-11-08 16:41:37,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-11-08 16:41:37,772 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2024-11-08 16:41:37,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:41:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:41:37,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 16:41:37,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:41:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:41:37,868 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 16:41:37,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:41:37,897 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 16:41:37,898 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2024-11-08 16:41:37,898 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:41:37,943 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 18 states and 23 transitions. Complement of second has 6 states. [2024-11-08 16:41:37,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-08 16:41:37,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:41:37,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2024-11-08 16:41:37,945 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 6 letters. Loop has 3 letters. [2024-11-08 16:41:37,946 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 16:41:37,946 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 9 letters. Loop has 3 letters. [2024-11-08 16:41:37,946 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 16:41:37,946 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 6 letters. Loop has 6 letters. [2024-11-08 16:41:37,946 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 16:41:37,946 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2024-11-08 16:41:37,947 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-08 16:41:37,948 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 23 transitions. [2024-11-08 16:41:37,948 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-08 16:41:37,948 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-08 16:41:37,948 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2024-11-08 16:41:37,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-08 16:41:37,949 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2024-11-08 16:41:37,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2024-11-08 16:41:37,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-11-08 16:41:37,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:41:37,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2024-11-08 16:41:37,951 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2024-11-08 16:41:37,951 INFO L425 stractBuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2024-11-08 16:41:37,951 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-08 16:41:37,952 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 23 transitions. [2024-11-08 16:41:37,952 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-08 16:41:37,952 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 16:41:37,952 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 16:41:37,953 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1] [2024-11-08 16:41:37,953 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-08 16:41:37,953 INFO L745 eck$LassoCheckResult]: Stem: 181#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 182#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~y1~0#1, main_~y2~0#1;havoc main_~y1~0#1;havoc main_~y2~0#1;havoc main_#t~nondet0#1;main_~y1~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y2~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 172#L18 assume main_~y1~0#1 > 0 && main_~y2~0#1 > 0; 173#L20-2 assume main_~y1~0#1 != main_~y2~0#1; 186#L19-1 assume !!(main_~y1~0#1 != main_~y2~0#1); 184#L20 assume !(main_~y1~0#1 > main_~y2~0#1);main_~y2~0#1 := main_~y2~0#1 - main_~y1~0#1; 183#L20-2 assume main_~y1~0#1 != main_~y2~0#1; 178#L19-1 assume !!(main_~y1~0#1 != main_~y2~0#1); 179#L20 assume !(main_~y1~0#1 > main_~y2~0#1);main_~y2~0#1 := main_~y2~0#1 - main_~y1~0#1; 174#L20-2 [2024-11-08 16:41:37,953 INFO L747 eck$LassoCheckResult]: Loop: 174#L20-2 assume main_~y1~0#1 != main_~y2~0#1; 175#L19-1 assume !!(main_~y1~0#1 != main_~y2~0#1); 185#L20 assume main_~y1~0#1 > main_~y2~0#1;main_~y1~0#1 := main_~y1~0#1 - main_~y2~0#1; 174#L20-2 [2024-11-08 16:41:37,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:41:37,954 INFO L85 PathProgramCache]: Analyzing trace with hash -592142238, now seen corresponding path program 2 times [2024-11-08 16:41:37,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:41:37,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816206312] [2024-11-08 16:41:37,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:41:37,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:41:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:41:37,962 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:41:37,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:41:37,968 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:41:37,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:41:37,969 INFO L85 PathProgramCache]: Analyzing trace with hash 38891, now seen corresponding path program 3 times [2024-11-08 16:41:37,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:41:37,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435406600] [2024-11-08 16:41:37,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:41:37,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:41:37,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:41:37,975 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:41:37,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:41:37,980 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:41:37,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:41:37,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1078718486, now seen corresponding path program 2 times [2024-11-08 16:41:37,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:41:37,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308372479] [2024-11-08 16:41:37,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:41:37,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:41:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:41:37,990 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:41:37,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:41:38,000 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:41:38,072 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 16:41:38,072 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 16:41:38,072 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 16:41:38,073 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 16:41:38,073 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-08 16:41:38,073 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:38,073 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 16:41:38,073 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 16:41:38,073 INFO L132 ssoRankerPreferences]: Filename of dumped script: BradleyMannaSipma-CAV2005-Fig1.c_Iteration3_Lasso [2024-11-08 16:41:38,073 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 16:41:38,073 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 16:41:38,075 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:38,078 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:38,081 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:38,084 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:38,099 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:38,103 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:38,168 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 16:41:38,168 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-08 16:41:38,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:38,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:38,170 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:38,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-08 16:41:38,174 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 16:41:38,175 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:41:38,200 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 16:41:38,200 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_5=0} Honda state: {v_rep~unnamed0~0~false_5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 16:41:38,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-11-08 16:41:38,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:38,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:38,221 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:38,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-08 16:41:38,225 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 16:41:38,226 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:41:38,245 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 16:41:38,245 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 16:41:38,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-08 16:41:38,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:38,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:38,265 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:38,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-08 16:41:38,272 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 16:41:38,272 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:41:38,286 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 16:41:38,287 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 16:41:38,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-11-08 16:41:38,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:38,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:38,301 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:38,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-08 16:41:38,303 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 16:41:38,303 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:41:38,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-11-08 16:41:38,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:38,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:38,350 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:38,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-08 16:41:38,353 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-08 16:41:38,353 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:41:38,500 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-08 16:41:38,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-11-08 16:41:38,504 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 16:41:38,504 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 16:41:38,504 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 16:41:38,504 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 16:41:38,504 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-08 16:41:38,504 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:38,504 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 16:41:38,504 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 16:41:38,504 INFO L132 ssoRankerPreferences]: Filename of dumped script: BradleyMannaSipma-CAV2005-Fig1.c_Iteration3_Lasso [2024-11-08 16:41:38,504 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 16:41:38,504 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 16:41:38,506 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:38,510 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:38,514 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:38,517 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:38,529 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:38,536 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:38,604 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 16:41:38,604 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-08 16:41:38,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:38,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:38,607 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:38,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-08 16:41:38,614 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 16:41:38,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 16:41:38,628 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 16:41:38,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 16:41:38,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 16:41:38,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 16:41:38,629 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 16:41:38,630 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 16:41:38,631 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 16:41:38,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-11-08 16:41:38,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:38,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:38,652 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:38,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-08 16:41:38,655 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 16:41:38,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 16:41:38,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 16:41:38,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 16:41:38,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 16:41:38,672 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 16:41:38,672 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 16:41:38,676 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 16:41:38,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-11-08 16:41:38,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:38,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:38,696 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:38,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-08 16:41:38,700 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 16:41:38,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 16:41:38,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 16:41:38,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 16:41:38,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 16:41:38,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 16:41:38,716 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 16:41:38,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 16:41:38,721 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 16:41:38,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-11-08 16:41:38,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:38,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:38,741 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:38,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-08 16:41:38,744 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 16:41:38,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 16:41:38,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 16:41:38,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 16:41:38,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 16:41:38,763 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 16:41:38,763 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 16:41:38,771 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-08 16:41:38,776 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2024-11-08 16:41:38,777 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-08 16:41:38,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:38,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:38,778 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:38,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-08 16:41:38,780 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-08 16:41:38,794 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-08 16:41:38,794 INFO L474 LassoAnalysis]: Proved termination. [2024-11-08 16:41:38,794 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y2~0#1, ULTIMATE.start_main_~y1~0#1) = -1*ULTIMATE.start_main_~y2~0#1 + 1*ULTIMATE.start_main_~y1~0#1 Supporting invariants [1*ULTIMATE.start_main_~y2~0#1 - 1 >= 0] [2024-11-08 16:41:38,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2024-11-08 16:41:38,810 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2024-11-08 16:41:38,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:41:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:41:38,849 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 16:41:38,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:41:38,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:41:38,892 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 16:41:38,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:41:38,918 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 16:41:38,919 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2024-11-08 16:41:38,919 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 23 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 16:41:38,962 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 23 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 22 states and 29 transitions. Complement of second has 6 states. [2024-11-08 16:41:38,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-08 16:41:38,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 16:41:38,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2024-11-08 16:41:38,963 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 9 letters. Loop has 3 letters. [2024-11-08 16:41:38,964 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 16:41:38,964 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-08 16:41:38,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:41:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:41:38,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 16:41:38,997 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:41:39,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:41:39,035 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 16:41:39,036 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:41:39,060 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 16:41:39,060 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 1 loop predicates [2024-11-08 16:41:39,061 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 23 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 16:41:39,097 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 23 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 22 states and 29 transitions. Complement of second has 6 states. [2024-11-08 16:41:39,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-08 16:41:39,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 16:41:39,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2024-11-08 16:41:39,100 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 9 letters. Loop has 3 letters. [2024-11-08 16:41:39,100 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 16:41:39,100 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-08 16:41:39,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:41:39,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:41:39,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 16:41:39,132 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:41:39,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:41:39,166 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 16:41:39,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:41:39,189 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 16:41:39,189 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2024-11-08 16:41:39,190 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 23 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 16:41:39,233 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 23 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 25 states and 33 transitions. Complement of second has 5 states. [2024-11-08 16:41:39,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-08 16:41:39,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 16:41:39,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2024-11-08 16:41:39,234 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 9 letters. Loop has 3 letters. [2024-11-08 16:41:39,235 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 16:41:39,235 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 12 letters. Loop has 3 letters. [2024-11-08 16:41:39,235 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 16:41:39,235 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 9 letters. Loop has 6 letters. [2024-11-08 16:41:39,235 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 16:41:39,235 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 33 transitions. [2024-11-08 16:41:39,237 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-08 16:41:39,238 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 21 states and 27 transitions. [2024-11-08 16:41:39,238 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-08 16:41:39,239 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-08 16:41:39,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 27 transitions. [2024-11-08 16:41:39,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-08 16:41:39,239 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 27 transitions. [2024-11-08 16:41:39,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 27 transitions. [2024-11-08 16:41:39,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 9. [2024-11-08 16:41:39,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:41:39,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2024-11-08 16:41:39,241 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 11 transitions. [2024-11-08 16:41:39,241 INFO L425 stractBuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2024-11-08 16:41:39,241 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-08 16:41:39,241 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 11 transitions. [2024-11-08 16:41:39,242 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-08 16:41:39,242 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 16:41:39,242 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 16:41:39,242 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-08 16:41:39,242 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-08 16:41:39,243 INFO L745 eck$LassoCheckResult]: Stem: 422#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 423#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_~y1~0#1, main_~y2~0#1;havoc main_~y1~0#1;havoc main_~y2~0#1;havoc main_#t~nondet0#1;main_~y1~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y2~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 415#L18 assume main_~y1~0#1 > 0 && main_~y2~0#1 > 0; 416#L20-2 [2024-11-08 16:41:39,243 INFO L747 eck$LassoCheckResult]: Loop: 416#L20-2 assume main_~y1~0#1 != main_~y2~0#1; 417#L19-1 assume !!(main_~y1~0#1 != main_~y2~0#1); 420#L20 assume !(main_~y1~0#1 > main_~y2~0#1);main_~y2~0#1 := main_~y2~0#1 - main_~y1~0#1; 416#L20-2 [2024-11-08 16:41:39,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:41:39,244 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 2 times [2024-11-08 16:41:39,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:41:39,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271449495] [2024-11-08 16:41:39,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:41:39,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:41:39,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:41:39,249 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:41:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:41:39,252 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:41:39,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:41:39,252 INFO L85 PathProgramCache]: Analyzing trace with hash 38893, now seen corresponding path program 1 times [2024-11-08 16:41:39,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:41:39,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615019078] [2024-11-08 16:41:39,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:41:39,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:41:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:41:39,265 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:41:39,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:41:39,273 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:41:39,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:41:39,277 INFO L85 PathProgramCache]: Analyzing trace with hash 889508780, now seen corresponding path program 3 times [2024-11-08 16:41:39,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:41:39,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112957468] [2024-11-08 16:41:39,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:41:39,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:41:39,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:41:39,296 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:41:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:41:39,305 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:41:39,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-11-08 16:41:39,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-08 16:41:39,389 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 16:41:39,389 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 16:41:39,390 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 16:41:39,390 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 16:41:39,390 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-08 16:41:39,390 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:39,390 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 16:41:39,390 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 16:41:39,390 INFO L132 ssoRankerPreferences]: Filename of dumped script: BradleyMannaSipma-CAV2005-Fig1.c_Iteration4_Lasso [2024-11-08 16:41:39,391 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 16:41:39,391 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 16:41:39,392 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:39,397 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:39,401 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:39,404 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:39,409 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:39,413 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:39,479 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 16:41:39,479 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-08 16:41:39,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:39,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:39,481 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:39,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-08 16:41:39,486 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 16:41:39,486 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:41:39,502 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 16:41:39,502 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 16:41:39,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-11-08 16:41:39,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:39,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:39,516 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:39,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-08 16:41:39,518 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 16:41:39,518 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:41:39,538 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 16:41:39,538 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_7=0} Honda state: {v_rep~unnamed0~0~false_7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 16:41:39,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-11-08 16:41:39,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:39,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:39,550 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:39,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-08 16:41:39,552 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 16:41:39,552 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:41:39,564 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 16:41:39,564 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 16:41:39,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-11-08 16:41:39,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:39,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:39,578 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:39,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-08 16:41:39,580 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 16:41:39,580 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:41:39,592 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 16:41:39,593 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 16:41:39,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-11-08 16:41:39,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:39,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:39,608 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:39,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-08 16:41:39,609 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 16:41:39,609 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:41:39,628 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 16:41:39,628 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-08 16:41:39,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2024-11-08 16:41:39,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:39,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:39,643 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:39,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-08 16:41:39,646 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 16:41:39,646 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:41:39,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2024-11-08 16:41:39,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:39,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:39,679 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:39,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-08 16:41:39,681 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-08 16:41:39,682 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 16:41:39,816 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-08 16:41:39,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2024-11-08 16:41:39,820 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 16:41:39,820 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 16:41:39,820 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 16:41:39,820 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 16:41:39,820 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-08 16:41:39,820 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:39,820 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 16:41:39,820 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 16:41:39,820 INFO L132 ssoRankerPreferences]: Filename of dumped script: BradleyMannaSipma-CAV2005-Fig1.c_Iteration4_Lasso [2024-11-08 16:41:39,820 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 16:41:39,820 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 16:41:39,822 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:39,838 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:39,840 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:39,844 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:39,846 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:39,850 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 16:41:39,915 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 16:41:39,916 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-08 16:41:39,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:39,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:39,918 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:39,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-11-08 16:41:39,921 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 16:41:39,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 16:41:39,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 16:41:39,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 16:41:39,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 16:41:39,938 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 16:41:39,938 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 16:41:39,945 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-08 16:41:39,954 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-11-08 16:41:39,954 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-11-08 16:41:39,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 16:41:39,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:41:39,956 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 16:41:39,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-11-08 16:41:39,962 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-08 16:41:39,978 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 2. [2024-11-08 16:41:39,978 INFO L474 LassoAnalysis]: Proved termination. [2024-11-08 16:41:39,978 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y2~0#1) = 2*ULTIMATE.start_main_~y2~0#1 + 1 Supporting invariants [1*ULTIMATE.start_main_~y1~0#1 - 1 >= 0, 1*ULTIMATE.start_main_~y2~0#1 >= 0] [2024-11-08 16:41:39,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2024-11-08 16:41:40,001 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2024-11-08 16:41:40,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:41:40,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:41:40,032 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 16:41:40,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:41:40,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:41:40,040 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 16:41:40,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:41:40,069 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 16:41:40,070 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-08 16:41:40,070 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 11 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:41:40,098 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 11 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 17 states and 24 transitions. Complement of second has 4 states. [2024-11-08 16:41:40,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-08 16:41:40,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:41:40,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2024-11-08 16:41:40,100 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 3 letters. Loop has 3 letters. [2024-11-08 16:41:40,100 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 16:41:40,100 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 3 letters. [2024-11-08 16:41:40,100 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 16:41:40,101 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 3 letters. Loop has 6 letters. [2024-11-08 16:41:40,101 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 16:41:40,101 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 24 transitions. [2024-11-08 16:41:40,102 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-08 16:41:40,102 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 0 states and 0 transitions. [2024-11-08 16:41:40,102 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-08 16:41:40,102 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-08 16:41:40,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-08 16:41:40,103 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 16:41:40,103 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 16:41:40,103 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 16:41:40,103 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 16:41:40,103 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-08 16:41:40,103 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-08 16:41:40,103 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-08 16:41:40,103 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-08 16:41:40,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.11 04:41:40 BoogieIcfgContainer [2024-11-08 16:41:40,111 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-08 16:41:40,112 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:41:40,112 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:41:40,112 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:41:40,113 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:41:35" (3/4) ... [2024-11-08 16:41:40,115 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:41:40,116 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:41:40,117 INFO L158 Benchmark]: Toolchain (without parser) took 5623.37ms. Allocated memory was 123.7MB in the beginning and 159.4MB in the end (delta: 35.7MB). Free memory was 93.1MB in the beginning and 96.1MB in the end (delta: -3.0MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2024-11-08 16:41:40,117 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 123.7MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:41:40,118 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.04ms. Allocated memory is still 123.7MB. Free memory was 92.7MB in the beginning and 81.5MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 16:41:40,118 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.80ms. Allocated memory is still 123.7MB. Free memory was 81.5MB in the beginning and 80.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:41:40,118 INFO L158 Benchmark]: Boogie Preprocessor took 27.39ms. Allocated memory is still 123.7MB. Free memory was 80.2MB in the beginning and 79.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:41:40,119 INFO L158 Benchmark]: RCFGBuilder took 246.39ms. Allocated memory is still 123.7MB. Free memory was 79.0MB in the beginning and 70.1MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 16:41:40,119 INFO L158 Benchmark]: BuchiAutomizer took 5069.04ms. Allocated memory was 123.7MB in the beginning and 159.4MB in the end (delta: 35.7MB). Free memory was 70.1MB in the beginning and 96.1MB in the end (delta: -26.0MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-11-08 16:41:40,120 INFO L158 Benchmark]: Witness Printer took 4.44ms. Allocated memory is still 159.4MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:41:40,122 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 123.7MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.04ms. Allocated memory is still 123.7MB. Free memory was 92.7MB in the beginning and 81.5MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.80ms. Allocated memory is still 123.7MB. Free memory was 81.5MB in the beginning and 80.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.39ms. Allocated memory is still 123.7MB. Free memory was 80.2MB in the beginning and 79.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 246.39ms. Allocated memory is still 123.7MB. Free memory was 79.0MB in the beginning and 70.1MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 5069.04ms. Allocated memory was 123.7MB in the beginning and 159.4MB in the end (delta: 35.7MB). Free memory was 70.1MB in the beginning and 96.1MB in the end (delta: -26.0MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Witness Printer took 4.44ms. Allocated memory is still 159.4MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (0 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function (((long) 2 * y1) + 1) and consists of 3 locations. One deterministic module has affine ranking function (y1 + ((long) -1 * y2)) and consists of 4 locations. One deterministic module has affine ranking function (((long) 2 * y2) + 1) and consists of 3 locations. One nondeterministic module has affine ranking function (y1 + ((long) -1 * y2)) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.0s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 3.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 47 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 47 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 75 IncrementalHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 26 mSDtfsCounter, 75 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax158 hnf100 lsp62 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq143 hnf96 smp80 dnf100 smp100 tf100 neg100 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 33ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 15 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.1s 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 16:41:40,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2024-11-08 16:41:40,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0671f37d-9418-47e9-9432-cdfa14265c8b/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