./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Benghazi.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e7bb482b 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_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Benghazi.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 9edf84ee73e15e033440f38035e679f46457b07702832d589a58530a086e57e5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:14:02,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:14:02,137 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-06 22:14:02,142 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:14:02,143 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:14:02,173 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:14:02,176 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:14:02,176 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:14:02,178 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:14:02,179 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:14:02,179 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:14:02,180 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-06 22:14:02,181 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-06 22:14:02,186 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-06 22:14:02,186 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-06 22:14:02,187 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-06 22:14:02,188 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-06 22:14:02,189 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:14:02,190 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-06 22:14:02,191 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:14:02,191 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:14:02,192 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-06 22:14:02,192 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-06 22:14:02,192 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-06 22:14:02,193 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:14:02,193 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:14:02,194 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-06 22:14:02,194 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:14:02,194 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:14:02,195 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:14:02,196 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:14:02,197 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:14:02,200 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-06 22:14:02,200 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_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9edf84ee73e15e033440f38035e679f46457b07702832d589a58530a086e57e5 [2023-11-06 22:14:02,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:14:02,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:14:02,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:14:02,590 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:14:02,591 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:14:02,592 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/termination-crafted/Benghazi.c [2023-11-06 22:14:05,746 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:14:06,016 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:14:06,017 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/sv-benchmarks/c/termination-crafted/Benghazi.c [2023-11-06 22:14:06,025 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/data/e807e1df3/c25a8fe0f3064145ab58ada879f173bd/FLAGfbd376d84 [2023-11-06 22:14:06,045 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/data/e807e1df3/c25a8fe0f3064145ab58ada879f173bd [2023-11-06 22:14:06,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:14:06,056 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:14:06,059 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:14:06,059 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:14:06,065 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:14:06,065 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:14:06" (1/1) ... [2023-11-06 22:14:06,067 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7da2b2e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:06, skipping insertion in model container [2023-11-06 22:14:06,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:14:06" (1/1) ... [2023-11-06 22:14:06,089 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:14:06,257 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:14:06,263 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:14:06,280 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:14:06,303 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:14:06,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:06 WrapperNode [2023-11-06 22:14:06,303 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:14:06,305 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:14:06,305 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:14:06,306 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:14:06,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:06" (1/1) ... [2023-11-06 22:14:06,318 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:06" (1/1) ... [2023-11-06 22:14:06,363 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2023-11-06 22:14:06,364 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:14:06,365 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:14:06,365 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:14:06,365 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:14:06,374 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:06" (1/1) ... [2023-11-06 22:14:06,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:06" (1/1) ... [2023-11-06 22:14:06,396 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:06" (1/1) ... [2023-11-06 22:14:06,397 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:06" (1/1) ... [2023-11-06 22:14:06,399 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:06" (1/1) ... [2023-11-06 22:14:06,403 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:06" (1/1) ... [2023-11-06 22:14:06,404 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:06" (1/1) ... [2023-11-06 22:14:06,405 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:06" (1/1) ... [2023-11-06 22:14:06,406 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:14:06,407 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:14:06,407 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:14:06,408 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:14:06,408 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:06" (1/1) ... [2023-11-06 22:14:06,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:14:06,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:14:06,449 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:14:06,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-06 22:14:06,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:14:06,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:14:06,590 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:14:06,592 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:14:06,660 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:14:06,666 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:14:06,666 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:14:06,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:14:06 BoogieIcfgContainer [2023-11-06 22:14:06,668 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:14:06,669 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-06 22:14:06,670 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-06 22:14:06,674 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-06 22:14:06,674 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:14:06,675 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.11 10:14:06" (1/3) ... [2023-11-06 22:14:06,676 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b7ab0e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:14:06, skipping insertion in model container [2023-11-06 22:14:06,676 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:14:06,676 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:06" (2/3) ... [2023-11-06 22:14:06,677 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b7ab0e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:14:06, skipping insertion in model container [2023-11-06 22:14:06,677 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:14:06,677 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:14:06" (3/3) ... [2023-11-06 22:14:06,678 INFO L332 chiAutomizerObserver]: Analyzing ICFG Benghazi.c [2023-11-06 22:14:06,735 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-06 22:14:06,735 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-06 22:14:06,735 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-06 22:14:06,736 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-06 22:14:06,736 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-06 22:14:06,736 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-06 22:14:06,736 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-06 22:14:06,737 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-06 22:14:06,741 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:14:06,759 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-06 22:14:06,759 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:14:06,759 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:14:06,765 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 22:14:06,765 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-06 22:14:06,766 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-06 22:14:06,766 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:14:06,767 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-06 22:14:06,767 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:14:06,768 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:14:06,768 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 22:14:06,768 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-06 22:14:06,776 INFO L748 eck$LassoCheckResult]: Stem: 4#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~d1~0#1, main_~d2~0#1, main_~d1old~0#1;havoc main_~x~0#1;havoc main_~d1~0#1;havoc main_~d2~0#1;havoc main_~d1old~0#1;main_~d1~0#1 := 73;main_~d2~0#1 := 74;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 7#L22-2true [2023-11-06 22:14:06,777 INFO L750 eck$LassoCheckResult]: Loop: 7#L22-2true 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; 7#L22-2true [2023-11-06 22:14:06,783 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:14:06,783 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-06 22:14:06,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:14:06,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276381653] [2023-11-06 22:14:06,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:06,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:14:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:14:06,872 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:14:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:14:06,892 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:14:06,895 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:14:06,895 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2023-11-06 22:14:06,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:14:06,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712397420] [2023-11-06 22:14:06,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:06,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:14:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:14:06,915 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:14:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:14:06,923 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:14:06,925 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:14:06,925 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2023-11-06 22:14:06,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:14:06,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436833127] [2023-11-06 22:14:06,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:06,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:14:06,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:14:06,939 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:14:06,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:14:06,949 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:14:07,067 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:14:07,068 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:14:07,068 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:14:07,068 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:14:07,068 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-06 22:14:07,069 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:14:07,069 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:14:07,069 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:14:07,069 INFO L133 ssoRankerPreferences]: Filename of dumped script: Benghazi.c_Iteration1_Loop [2023-11-06 22:14:07,069 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:14:07,070 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:14:07,096 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:14:07,123 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:14:07,131 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:14:07,274 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:14:07,275 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-06 22:14:07,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:14:07,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:14:07,282 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:14:07,293 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:14:07,293 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:14:07,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-06 22:14:07,322 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-06 22:14:07,322 INFO L440 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: [] [2023-11-06 22:14:07,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:14:07,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:14:07,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:14:07,334 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:14:07,338 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:14:07,338 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:14:07,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-06 22:14:07,363 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-06 22:14:07,363 INFO L440 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: [] [2023-11-06 22:14:07,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-06 22:14:07,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:14:07,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:14:07,370 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:14:07,381 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:14:07,381 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:14:07,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-06 22:14:07,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:14:07,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:14:07,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:14:07,425 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:14:07,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-06 22:14:07,429 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-06 22:14:07,429 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:14:11,487 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-06 22:14:11,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:14:11,497 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:14:11,497 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:14:11,497 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:14:11,497 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:14:11,497 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:14:11,497 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:14:11,497 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:14:11,498 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:14:11,498 INFO L133 ssoRankerPreferences]: Filename of dumped script: Benghazi.c_Iteration1_Loop [2023-11-06 22:14:11,498 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:14:11,498 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:14:11,501 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:14:11,507 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:14:11,511 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:14:11,608 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:14:11,614 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:14:11,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:14:11,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:14:11,617 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:14:11,628 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 [2023-11-06 22:14:11,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:14:11,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:14:11,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-06 22:14:11,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:14:11,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:14:11,649 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:14:11,649 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:14:11,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:14:11,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:14:11,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:14:11,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:14:11,675 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:14:11,679 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 [2023-11-06 22:14:11,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-06 22:14:11,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:14:11,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:14:11,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:14:11,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:14:11,698 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:14:11,698 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:14:11,711 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:14:11,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-06 22:14:11,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:14:11,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:14:11,723 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:14:11,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-06 22:14:11,728 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 [2023-11-06 22:14:11,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:14:11,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:14:11,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:14:11,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:14:11,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:14:11,746 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:14:11,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:14:11,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:14:11,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-06 22:14:11,772 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-11-06 22:14:11,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:14:11,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:14:11,778 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:14:11,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-06 22:14:11,788 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 [2023-11-06 22:14:11,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:14:11,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:14:11,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:14:11,801 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-06 22:14:11,812 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-11-06 22:14:11,813 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-11-06 22:14:11,835 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:14:11,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:14:11,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:14:11,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:14:11,846 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:14:11,854 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 [2023-11-06 22:14:11,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:14:11,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:14:11,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:14:11,868 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-06 22:14:11,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-06 22:14:11,873 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-11-06 22:14:11,873 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-11-06 22:14:11,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:14:11,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:14:11,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:14:11,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:14:11,898 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:14:11,912 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 [2023-11-06 22:14:11,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:14:11,925 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:14:11,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:14:11,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:14:11,925 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-06 22:14:11,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-06 22:14:11,929 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-06 22:14:11,929 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:14:11,942 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:14:11,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:14:11,951 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-11-06 22:14:11,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:14:11,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:14:11,955 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:14:11,965 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 [2023-11-06 22:14:11,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:14:11,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:14:11,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:14:11,979 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-06 22:14:11,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-06 22:14:11,986 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-06 22:14:11,986 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-06 22:14:12,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:14:12,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-06 22:14:12,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:14:12,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:14:12,015 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:14:12,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-06 22:14:12,021 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 [2023-11-06 22:14:12,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:14:12,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:14:12,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:14:12,035 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-06 22:14:12,044 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-06 22:14:12,044 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-06 22:14:12,064 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:14:12,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-06 22:14:12,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:14:12,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:14:12,078 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:14:12,089 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 [2023-11-06 22:14:12,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:14:12,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-06 22:14:12,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:14:12,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:14:12,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:14:12,104 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-06 22:14:12,113 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-06 22:14:12,113 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:14:12,126 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:14:12,135 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-06 22:14:12,136 INFO L444 ModelExtractionUtils]: 8 out of 16 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-06 22:14:12,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:14:12,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:14:12,160 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:14:12,166 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:14:12,166 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-06 22:14:12,166 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:14:12,167 INFO L515 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 = 2*ULTIMATE.start_main_~x~0#1 - 1*ULTIMATE.start_main_~d1~0#1 + 1 f2 = 1*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [] [2023-11-06 22:14:12,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-06 22:14:12,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-06 22:14:12,187 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-06 22:14:12,198 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IfThenElseExpression (if -1 * ~d2~0 + -1 * ~d1~0 > 0 then 2 else (if 2 * ~x~0 + -1 * ~d1~0 + 1 > 0 then 1 else 0)) could not be translated [2023-11-06 22:14:12,203 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IfThenElseExpression (if -1 * ~d2~0 + -1 * ~d1~0 > 0 then -1 * ~d2~0 + -1 * ~d1~0 else (if 2 * ~x~0 + -1 * ~d1~0 + 1 > 0 then 2 * ~x~0 + -1 * ~d1~0 + 1 else ~x~0 + 1)) could not be translated [2023-11-06 22:14:12,254 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:14:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:12,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:14:12,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:14:12,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:12,293 WARN L260 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:14:12,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:14:12,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:14:12,349 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 [2023-11-06 22:14:12,352 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2023-11-06 22:14:12,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-06 22:14:12,465 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 14 states and 17 transitions. Complement of second has 6 states. [2023-11-06 22:14:12,480 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 [2023-11-06 22:14:12,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2023-11-06 22:14:12,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2023-11-06 22:14:12,488 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 2 letters. Loop has 1 letters. [2023-11-06 22:14:12,488 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:14:12,488 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 3 letters. Loop has 1 letters. [2023-11-06 22:14:12,488 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:14:12,488 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 2 letters. Loop has 2 letters. [2023-11-06 22:14:12,489 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:14:12,490 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2023-11-06 22:14:12,492 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 22:14:12,495 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2023-11-06 22:14:12,496 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-06 22:14:12,496 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-06 22:14:12,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-06 22:14:12,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:14:12,497 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:14:12,497 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:14:12,497 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:14:12,498 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-06 22:14:12,498 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:14:12,498 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 22:14:12,498 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-06 22:14:12,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.11 10:14:12 BoogieIcfgContainer [2023-11-06 22:14:12,544 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-06 22:14:12,545 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:14:12,545 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:14:12,545 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:14:12,546 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:14:06" (3/4) ... [2023-11-06 22:14:12,548 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:14:12,549 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:14:12,566 INFO L158 Benchmark]: Toolchain (without parser) took 6494.26ms. Allocated memory is still 184.5MB. Free memory was 153.5MB in the beginning and 147.3MB in the end (delta: 6.2MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2023-11-06 22:14:12,567 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory is still 100.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:14:12,568 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.99ms. Allocated memory is still 184.5MB. Free memory was 152.6MB in the beginning and 155.1MB in the end (delta: -2.5MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2023-11-06 22:14:12,569 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.90ms. Allocated memory is still 184.5MB. Free memory was 155.1MB in the beginning and 154.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:14:12,569 INFO L158 Benchmark]: Boogie Preprocessor took 41.49ms. Allocated memory is still 184.5MB. Free memory was 154.0MB in the beginning and 153.0MB in the end (delta: 969.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:14:12,570 INFO L158 Benchmark]: RCFGBuilder took 261.51ms. Allocated memory is still 184.5MB. Free memory was 153.0MB in the beginning and 144.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 22:14:12,573 INFO L158 Benchmark]: BuchiAutomizer took 5874.28ms. Allocated memory is still 184.5MB. Free memory was 144.6MB in the beginning and 147.3MB in the end (delta: -2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:14:12,574 INFO L158 Benchmark]: Witness Printer took 4.77ms. Allocated memory is still 184.5MB. Free memory is still 147.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:14:12,585 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory is still 100.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.99ms. Allocated memory is still 184.5MB. Free memory was 152.6MB in the beginning and 155.1MB in the end (delta: -2.5MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.90ms. Allocated memory is still 184.5MB. Free memory was 155.1MB in the beginning and 154.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.49ms. Allocated memory is still 184.5MB. Free memory was 154.0MB in the beginning and 153.0MB in the end (delta: 969.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 261.51ms. Allocated memory is still 184.5MB. Free memory was 153.0MB in the beginning and 144.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 5874.28ms. Allocated memory is still 184.5MB. Free memory was 144.6MB in the beginning and 147.3MB in the end (delta: -2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.77ms. Allocated memory is still 184.5MB. Free memory is still 147.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IfThenElseExpression (if -1 * ~d2~0 + -1 * ~d1~0 > 0 then 2 else (if 2 * ~x~0 + -1 * ~d1~0 + 1 > 0 then 1 else 0)) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IfThenElseExpression (if -1 * ~d2~0 + -1 * ~d1~0 > 0 then -1 * ~d2~0 + -1 * ~d1~0 else (if 2 * ~x~0 + -1 * ~d1~0 + 1 > 0 then 2 * ~x~0 + -1 * ~d1~0 + 1 else ~x~0 + 1)) could not be translated * 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 5.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 5.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 4 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital23 mio100 ax152 hnf100 lsp65 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq195 hnf91 smp100 dnf100 smp100 tf104 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 55ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 4 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 4.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-06 22:14:12,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4dfa5b8-22e3-408d-abe4-6d5aca9f42ee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE