./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Benghazi_nondet-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Benghazi_nondet-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB --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 2f97933f35fe6dc06fe68cfca662228239a8205559235f014a4e90d641a78f3c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:13:50,656 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:13:50,721 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-28 03:13:50,726 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:13:50,726 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:13:50,757 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:13:50,757 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:13:50,757 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:13:50,758 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:13:50,758 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:13:50,758 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:13:50,758 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:13:50,758 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:13:50,759 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 03:13:50,759 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 03:13:50,759 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 03:13:50,759 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 03:13:50,759 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 03:13:50,759 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 03:13:50,759 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:13:50,759 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 03:13:50,759 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:13:50,760 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:13:50,760 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 03:13:50,760 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 03:13:50,760 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 03:13:50,760 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:13:50,760 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:13:50,760 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 03:13:50,760 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:13:50,760 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:13:50,761 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:13:50,761 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:13:50,761 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:13:50,761 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 03:13:50,761 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 03:13:50,761 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 2f97933f35fe6dc06fe68cfca662228239a8205559235f014a4e90d641a78f3c [2024-11-28 03:13:51,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:13:51,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:13:51,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:13:51,065 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:13:51,066 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:13:51,069 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-crafted/Benghazi_nondet-2.c [2024-11-28 03:13:53,991 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/data/5a1df0025/e3b7fcf9a4d548cb9fc8cd9962abb24b/FLAG03c62921f [2024-11-28 03:13:54,268 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:13:54,282 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/sv-benchmarks/c/termination-crafted/Benghazi_nondet-2.c [2024-11-28 03:13:54,290 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/data/5a1df0025/e3b7fcf9a4d548cb9fc8cd9962abb24b/FLAG03c62921f [2024-11-28 03:13:54,316 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/data/5a1df0025/e3b7fcf9a4d548cb9fc8cd9962abb24b [2024-11-28 03:13:54,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:13:54,321 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:13:54,324 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:13:54,324 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:13:54,330 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:13:54,331 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:13:54" (1/1) ... [2024-11-28 03:13:54,335 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e17ff11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:54, skipping insertion in model container [2024-11-28 03:13:54,335 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:13:54" (1/1) ... [2024-11-28 03:13:54,353 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:13:54,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:13:54,531 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:13:54,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:13:54,560 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:13:54,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:54 WrapperNode [2024-11-28 03:13:54,560 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:13:54,561 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:13:54,561 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:13:54,562 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:13:54,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:54" (1/1) ... [2024-11-28 03:13:54,572 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:54" (1/1) ... [2024-11-28 03:13:54,588 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 33 [2024-11-28 03:13:54,589 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:13:54,590 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:13:54,590 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:13:54,590 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:13:54,600 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:54" (1/1) ... [2024-11-28 03:13:54,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:54" (1/1) ... [2024-11-28 03:13:54,602 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:54" (1/1) ... [2024-11-28 03:13:54,608 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-28 03:13:54,609 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:54" (1/1) ... [2024-11-28 03:13:54,610 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:54" (1/1) ... [2024-11-28 03:13:54,611 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:54" (1/1) ... [2024-11-28 03:13:54,613 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:54" (1/1) ... [2024-11-28 03:13:54,622 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:54" (1/1) ... [2024-11-28 03:13:54,622 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:54" (1/1) ... [2024-11-28 03:13:54,623 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:54" (1/1) ... [2024-11-28 03:13:54,628 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:13:54,629 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:13:54,631 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:13:54,631 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:13:54,633 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:54" (1/1) ... [2024-11-28 03:13:54,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:13:54,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:13:54,678 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:13:54,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 03:13:54,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:13:54,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:13:54,786 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:13:54,788 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:13:54,883 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-28 03:13:54,884 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:13:54,898 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:13:54,899 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 03:13:54,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:13:54 BoogieIcfgContainer [2024-11-28 03:13:54,899 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:13:54,900 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 03:13:54,900 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 03:13:54,907 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 03:13:54,908 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:13:54,908 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:13:54" (1/3) ... [2024-11-28 03:13:54,909 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52c0a4f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:13:54, skipping insertion in model container [2024-11-28 03:13:54,910 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:13:54,910 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:54" (2/3) ... [2024-11-28 03:13:54,910 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52c0a4f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:13:54, skipping insertion in model container [2024-11-28 03:13:54,910 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:13:54,911 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:13:54" (3/3) ... [2024-11-28 03:13:54,912 INFO L363 chiAutomizerObserver]: Analyzing ICFG Benghazi_nondet-2.c [2024-11-28 03:13:54,987 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 03:13:54,987 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 03:13:54,987 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 03:13:54,987 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 03:13:54,988 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 03:13:54,988 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 03:13:54,988 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 03:13:54,989 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 03:13:54,995 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 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) [2024-11-28 03:13:55,011 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-28 03:13:55,012 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:13:55,012 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:13:55,016 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-28 03:13:55,017 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 03:13:55,017 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 03:13:55,018 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 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) [2024-11-28 03:13:55,019 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-28 03:13:55,020 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:13:55,020 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:13:55,020 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-28 03:13:55,021 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 03:13:55,028 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~d1~0#1, main_~d2~0#1, main_~d1old~0#1;havoc main_~x~0#1;havoc main_~d1~0#1;havoc main_~d2~0#1;havoc main_~d1old~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~d1~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~d2~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;" "assume !!(-1048575 <= main_~x~0#1 && main_~x~0#1 <= 1048575);" "assume !!(-1048575 <= main_~d1~0#1 && main_~d1~0#1 <= 1048575);" "assume !!(-1048575 <= main_~d2~0#1 && main_~d2~0#1 <= 1048575);" [2024-11-28 03:13:55,028 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~x~0#1 >= 0;" "main_~x~0#1 := main_~x~0#1 - main_~d1~0#1;main_~d1old~0#1 := main_~d1~0#1;main_~d1~0#1 := 1 + main_~d2~0#1;main_~d2~0#1 := 1 + main_~d1old~0#1;" [2024-11-28 03:13:55,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:13:55,034 INFO L85 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2024-11-28 03:13:55,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:13:55,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557495419] [2024-11-28 03:13:55,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:13:55,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:13:55,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:13:55,131 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:13:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:13:55,151 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:13:55,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:13:55,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1701, now seen corresponding path program 1 times [2024-11-28 03:13:55,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:13:55,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932497085] [2024-11-28 03:13:55,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:13:55,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:13:55,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:13:55,176 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:13:55,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:13:55,186 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:13:55,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:13:55,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1806907853, now seen corresponding path program 1 times [2024-11-28 03:13:55,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:13:55,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694711752] [2024-11-28 03:13:55,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:13:55,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:13:55,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:13:55,209 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:13:55,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:13:55,219 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:13:55,374 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:13:55,375 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:13:55,375 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:13:55,375 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:13:55,375 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 03:13:55,375 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:13:55,375 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:13:55,375 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:13:55,376 INFO L132 ssoRankerPreferences]: Filename of dumped script: Benghazi_nondet-2.c_Iteration1_Loop [2024-11-28 03:13:55,376 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:13:55,376 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:13:55,394 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:13:55,409 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:13:55,415 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:13:55,537 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:13:55,538 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 03:13:55,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:13:55,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:13:55,545 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:13:55,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-28 03:13:55,548 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:13:55,549 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:13:55,579 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 03:13:55,579 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: [] [2024-11-28 03:13:55,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-28 03:13:55,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:13:55,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:13:55,592 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:13:55,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-28 03:13:55,597 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:13:55,597 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:13:55,628 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 03:13:55,628 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: [] [2024-11-28 03:13:55,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-28 03:13:55,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:13:55,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:13:55,640 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:13:55,644 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 03:13:55,644 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:13:55,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-28 03:13:55,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-28 03:13:55,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:13:55,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:13:55,678 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:13:55,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-28 03:13:55,681 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 03:13:55,682 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 03:13:55,981 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 03:13:55,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-28 03:13:55,985 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:13:55,985 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:13:55,985 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:13:55,985 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:13:55,985 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 03:13:55,985 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:13:55,985 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:13:55,986 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:13:55,986 INFO L132 ssoRankerPreferences]: Filename of dumped script: Benghazi_nondet-2.c_Iteration1_Loop [2024-11-28 03:13:55,986 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:13:55,986 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:13:55,988 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:13:55,996 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:13:56,001 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:13:56,098 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:13:56,102 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 03:13:56,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:13:56,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:13:56,108 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:13:56,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-28 03:13:56,112 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 [2024-11-28 03:13:56,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:13:56,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:13:56,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:13:56,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:13:56,141 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:13:56,141 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:13:56,152 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:13:56,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-28 03:13:56,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:13:56,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:13:56,166 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:13:56,170 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 [2024-11-28 03:13:56,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-28 03:13:56,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:13:56,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:13:56,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:13:56,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:13:56,192 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:13:56,192 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:13:56,200 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:13:56,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-28 03:13:56,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:13:56,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:13:56,211 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:13:56,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-28 03:13:56,244 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 [2024-11-28 03:13:56,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:13:56,258 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:13:56,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:13:56,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:13:56,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:13:56,261 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:13:56,261 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:13:56,266 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:13:56,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-28 03:13:56,275 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-28 03:13:56,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:13:56,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:13:56,277 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:13:56,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-28 03:13:56,283 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 [2024-11-28 03:13:56,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:13:56,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:13:56,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:13:56,301 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 03:13:56,308 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-11-28 03:13:56,308 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-11-28 03:13:56,318 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:13:56,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-28 03:13:56,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:13:56,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:13:56,329 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:13:56,333 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 [2024-11-28 03:13:56,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-28 03:13:56,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:13:56,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:13:56,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:13:56,348 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 03:13:56,355 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-11-28 03:13:56,355 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-11-28 03:13:56,364 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:13:56,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-28 03:13:56,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:13:56,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:13:56,375 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:13:56,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-28 03:13:56,380 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 [2024-11-28 03:13:56,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:13:56,398 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:13:56,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:13:56,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:13:56,398 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 03:13:56,402 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-28 03:13:56,402 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:13:56,408 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:13:56,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-28 03:13:56,417 INFO L451 LassoAnalysis]: Using template '3-nested'. [2024-11-28 03:13:56,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:13:56,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:13:56,420 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:13:56,424 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 [2024-11-28 03:13:56,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-28 03:13:56,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:13:56,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:13:56,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:13:56,439 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 03:13:56,444 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-11-28 03:13:56,444 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-28 03:13:56,453 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:13:56,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-28 03:13:56,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:13:56,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:13:56,465 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:13:56,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-28 03:13:56,469 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 [2024-11-28 03:13:56,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:13:56,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:13:56,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:13:56,485 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 03:13:56,489 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-11-28 03:13:56,490 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-28 03:13:56,499 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:13:56,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-11-28 03:13:56,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:13:56,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:13:56,510 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:13:56,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-28 03:13:56,514 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 [2024-11-28 03:13:56,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:13:56,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:13:56,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:13:56,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:13:56,530 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 03:13:56,534 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-28 03:13:56,534 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:13:56,541 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 03:13:56,549 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-28 03:13:56,552 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-28 03:13:56,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:13:56,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:13:56,556 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:13:56,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-28 03:13:56,559 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 03:13:56,559 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 03:13:56,559 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 03:13:56,560 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function 3-nested ranking function: f0 = -1*ULTIMATE.start_main_~d1~0#1 - 1*ULTIMATE.start_main_~d2~0#1 f1 = -1*ULTIMATE.start_main_~d1~0#1 + 2*ULTIMATE.start_main_~x~0#1 + 1 f2 = 1*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [] [2024-11-28 03:13:56,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-28 03:13:56,583 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 03:13:56,594 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-28 03:13:56,595 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-28 03:13:56,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:13:56,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:13:56,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:13:56,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:13:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:13:56,666 WARN L254 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:13:56,667 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:13:56,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:13:57,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-28 03:13:57,044 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-28 03:13:57,046 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 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) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:13:57,117 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 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). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 20 states and 25 transitions. Complement of second has 6 states. [2024-11-28 03:13:57,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-28 03:13:57,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:13:57,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2024-11-28 03:13:57,133 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-28 03:13:57,136 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:13:57,139 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 7 letters. Loop has 2 letters. [2024-11-28 03:13:57,139 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:13:57,139 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 5 letters. Loop has 4 letters. [2024-11-28 03:13:57,139 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:13:57,140 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 25 transitions. [2024-11-28 03:13:57,141 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 03:13:57,146 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2024-11-28 03:13:57,147 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-28 03:13:57,147 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-28 03:13:57,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-28 03:13:57,147 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 03:13:57,147 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:13:57,147 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:13:57,147 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:13:57,148 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 03:13:57,148 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-28 03:13:57,148 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 03:13:57,148 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-28 03:13:57,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:13:57 BoogieIcfgContainer [2024-11-28 03:13:57,156 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 03:13:57,157 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:13:57,157 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:13:57,158 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:13:57,158 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:13:54" (3/4) ... [2024-11-28 03:13:57,160 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:13:57,161 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:13:57,162 INFO L158 Benchmark]: Toolchain (without parser) took 2840.85ms. Allocated memory is still 117.4MB. Free memory was 94.0MB in the beginning and 82.8MB in the end (delta: 11.2MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2024-11-28 03:13:57,162 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 167.8MB. Free memory was 102.7MB in the beginning and 102.5MB in the end (delta: 216.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:13:57,162 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.58ms. Allocated memory is still 117.4MB. Free memory was 94.0MB in the beginning and 83.9MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:13:57,163 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.11ms. Allocated memory is still 117.4MB. Free memory was 83.9MB in the beginning and 82.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:13:57,163 INFO L158 Benchmark]: Boogie Preprocessor took 38.52ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 82.0MB in the end (delta: 793.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:13:57,163 INFO L158 Benchmark]: RCFGBuilder took 270.04ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 72.6MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:13:57,163 INFO L158 Benchmark]: BuchiAutomizer took 2256.12ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 83.6MB in the end (delta: -11.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:13:57,164 INFO L158 Benchmark]: Witness Printer took 4.46ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 82.8MB in the end (delta: 633.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:13:57,168 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 167.8MB. Free memory was 102.7MB in the beginning and 102.5MB in the end (delta: 216.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.58ms. Allocated memory is still 117.4MB. Free memory was 94.0MB in the beginning and 83.9MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.11ms. Allocated memory is still 117.4MB. Free memory was 83.9MB in the beginning and 82.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.52ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 82.0MB in the end (delta: 793.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 270.04ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 72.6MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2256.12ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 83.6MB in the end (delta: -11.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.46ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 82.8MB in the end (delta: 633.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has 3-nested ranking function null, null and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 10 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax160 hnf100 lsp62 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf92 smp100 dnf100 smp100 tf105 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 35ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 4 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-28 03:13:57,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4e97689-0e1f-4799-ace9-d08313fc113c/bin/uautomizer-verify-aQ6SnzHsRB/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