./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Thun-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Thun-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme --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 7a7e4c1bea4db860aff2cd2a7b7cbb6b10c52fe15286dfe6b897761cc9d83fd0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:54:59,617 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:54:59,694 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-26 11:54:59,699 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:54:59,700 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:54:59,727 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:54:59,728 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:54:59,729 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:54:59,730 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:54:59,730 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:54:59,731 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:54:59,732 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:54:59,733 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:54:59,734 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 11:54:59,734 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 11:54:59,735 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 11:54:59,736 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 11:54:59,736 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 11:54:59,737 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 11:54:59,738 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:54:59,738 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 11:54:59,739 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:54:59,739 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:54:59,740 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 11:54:59,741 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 11:54:59,741 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 11:54:59,742 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:54:59,742 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:54:59,743 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 11:54:59,743 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:54:59,744 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:54:59,744 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:54:59,745 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:54:59,745 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:54:59,746 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 11:54:59,747 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_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a7e4c1bea4db860aff2cd2a7b7cbb6b10c52fe15286dfe6b897761cc9d83fd0 [2023-11-26 11:55:00,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:55:00,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:55:00,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:55:00,097 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:55:00,098 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:55:00,099 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/termination-crafted/Thun-2.c [2023-11-26 11:55:03,220 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:55:03,565 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:55:03,566 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/sv-benchmarks/c/termination-crafted/Thun-2.c [2023-11-26 11:55:03,575 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/data/9bbe4df9b/6741dc7a4db54f5286628603a1e9ee9a/FLAG8406f69a8 [2023-11-26 11:55:03,598 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/data/9bbe4df9b/6741dc7a4db54f5286628603a1e9ee9a [2023-11-26 11:55:03,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:55:03,612 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:55:03,616 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:55:03,617 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:55:03,624 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:55:03,625 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:55:03" (1/1) ... [2023-11-26 11:55:03,627 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5969e882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:03, skipping insertion in model container [2023-11-26 11:55:03,627 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:55:03" (1/1) ... [2023-11-26 11:55:03,654 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:55:03,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:55:03,815 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:55:03,830 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:55:03,845 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:55:03,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:03 WrapperNode [2023-11-26 11:55:03,846 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:55:03,847 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:55:03,847 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:55:03,848 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:55:03,856 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:03" (1/1) ... [2023-11-26 11:55:03,861 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:03" (1/1) ... [2023-11-26 11:55:03,879 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2023-11-26 11:55:03,880 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:55:03,881 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:55:03,881 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:55:03,881 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:55:03,893 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:03" (1/1) ... [2023-11-26 11:55:03,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:03" (1/1) ... [2023-11-26 11:55:03,894 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:03" (1/1) ... [2023-11-26 11:55:03,900 INFO L175 MemorySlicer]: No memory access in input program. [2023-11-26 11:55:03,900 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:03" (1/1) ... [2023-11-26 11:55:03,900 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:03" (1/1) ... [2023-11-26 11:55:03,903 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:03" (1/1) ... [2023-11-26 11:55:03,907 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:03" (1/1) ... [2023-11-26 11:55:03,908 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:03" (1/1) ... [2023-11-26 11:55:03,909 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:03" (1/1) ... [2023-11-26 11:55:03,911 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:55:03,912 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:55:03,912 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:55:03,912 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:55:03,913 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:03" (1/1) ... [2023-11-26 11:55:03,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:55:03,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:55:03,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:55:03,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 11:55:03,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:55:03,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:55:04,070 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:55:04,073 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:55:04,162 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:55:04,172 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:55:04,172 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:55:04,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:55:04 BoogieIcfgContainer [2023-11-26 11:55:04,174 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:55:04,175 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 11:55:04,176 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 11:55:04,180 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 11:55:04,181 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:55:04,181 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 11:55:03" (1/3) ... [2023-11-26 11:55:04,182 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7fbfcc5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:55:04, skipping insertion in model container [2023-11-26 11:55:04,182 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:55:04,182 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:55:03" (2/3) ... [2023-11-26 11:55:04,183 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7fbfcc5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:55:04, skipping insertion in model container [2023-11-26 11:55:04,183 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:55:04,183 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:55:04" (3/3) ... [2023-11-26 11:55:04,184 INFO L332 chiAutomizerObserver]: Analyzing ICFG Thun-2.c [2023-11-26 11:55:04,242 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 11:55:04,242 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 11:55:04,242 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 11:55:04,243 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 11:55:04,243 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 11:55:04,243 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 11:55:04,243 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 11:55:04,243 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 11:55:04,247 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:04,264 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-26 11:55:04,264 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:55:04,264 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:55:04,268 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-26 11:55:04,269 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-26 11:55:04,269 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 11:55:04,269 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:55:04,270 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-26 11:55:04,271 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:55:04,271 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:55:04,271 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-26 11:55:04,271 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-26 11:55:04,279 INFO L748 eck$LassoCheckResult]: Stem: 5#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 6#L29true assume !!(-65535 <= main_~x~0#1 && main_~x~0#1 <= 65535); 3#L30true assume !!(-65535 <= main_~y~0#1 && main_~y~0#1 <= 65535); 8#L31-2true [2023-11-26 11:55:04,280 INFO L750 eck$LassoCheckResult]: Loop: 8#L31-2true assume !!(main_~x~0#1 >= 0);main_~x~0#1 := main_~x~0#1 + main_~y~0#1;main_~y~0#1 := -2 * main_~y~0#1 - 1; 8#L31-2true [2023-11-26 11:55:04,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:55:04,286 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2023-11-26 11:55:04,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:55:04,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227948390] [2023-11-26 11:55:04,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:55:04,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:55:04,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:55:04,379 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:55:04,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:55:04,400 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:55:04,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:55:04,404 INFO L85 PathProgramCache]: Analyzing trace with hash 52, now seen corresponding path program 1 times [2023-11-26 11:55:04,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:55:04,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910350857] [2023-11-26 11:55:04,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:55:04,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:55:04,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:55:04,417 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:55:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:55:04,422 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:55:04,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:55:04,424 INFO L85 PathProgramCache]: Analyzing trace with hash 28695853, now seen corresponding path program 1 times [2023-11-26 11:55:04,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:55:04,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259179592] [2023-11-26 11:55:04,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:55:04,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:55:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:55:04,442 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:55:04,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:55:04,449 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:55:04,527 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:55:04,527 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:55:04,528 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:55:04,528 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:55:04,528 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-26 11:55:04,528 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:55:04,528 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:55:04,528 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:55:04,528 INFO L133 ssoRankerPreferences]: Filename of dumped script: Thun-2.c_Iteration1_Loop [2023-11-26 11:55:04,529 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:55:04,529 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:55:04,544 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:55:04,555 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:55:04,574 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:55:04,670 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:55:04,670 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-26 11:55:04,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:55:04,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:55:04,680 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:55:04,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-26 11:55:04,687 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 11:55:04,687 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 11:55:04,714 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-26 11:55:04,715 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: [] [2023-11-26 11:55:04,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-11-26 11:55:04,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:55:04,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:55:04,725 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:55:04,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-26 11:55:04,733 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 11:55:04,734 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 11:55:04,757 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-26 11:55:04,757 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: [] [2023-11-26 11:55:04,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-26 11:55:04,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:55:04,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:55:04,769 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:55:04,783 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 11:55:04,783 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 11:55:04,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-26 11:55:04,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-26 11:55:04,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:55:04,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:55:04,839 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:55:04,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-26 11:55:04,844 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-26 11:55:04,844 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 11:55:04,943 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-26 11:55:04,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-26 11:55:04,947 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:55:04,947 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:55:04,948 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:55:04,948 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:55:04,948 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:55:04,949 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:55:04,949 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:55:04,949 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:55:04,949 INFO L133 ssoRankerPreferences]: Filename of dumped script: Thun-2.c_Iteration1_Loop [2023-11-26 11:55:04,949 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:55:04,949 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:55:04,955 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:55:04,967 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:55:04,972 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:55:05,060 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:55:05,066 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:55:05,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:55:05,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:55:05,071 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:55:05,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-26 11:55:05,076 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 [2023-11-26 11:55:05,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:55:05,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:55:05,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:55:05,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:55:05,096 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:55:05,096 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:55:05,110 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:55:05,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-26 11:55:05,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:55:05,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:55:05,121 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:55:05,133 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 [2023-11-26 11:55:05,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:55:05,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:55:05,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:55:05,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:55:05,151 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:55:05,151 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:55:05,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-26 11:55:05,164 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:55:05,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-26 11:55:05,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:55:05,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:55:05,175 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:55:05,182 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 [2023-11-26 11:55:05,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:55:05,195 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:55:05,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:55:05,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:55:05,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:55:05,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:55:05,200 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:55:05,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-26 11:55:05,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:55:05,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-26 11:55:05,220 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-11-26 11:55:05,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:55:05,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:55:05,222 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:55:05,234 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 [2023-11-26 11:55:05,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-26 11:55:05,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:55:05,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:55:05,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:55:05,247 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-26 11:55:05,257 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-11-26 11:55:05,260 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-11-26 11:55:05,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:55:05,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-26 11:55:05,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:55:05,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:55:05,297 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:55:05,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-26 11:55:05,301 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 [2023-11-26 11:55:05,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:55:05,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:55:05,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:55:05,314 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-26 11:55:05,323 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-11-26 11:55:05,323 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-11-26 11:55:05,338 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:55:05,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-26 11:55:05,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:55:05,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:55:05,347 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:55:05,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-26 11:55:05,356 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 [2023-11-26 11:55:05,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:55:05,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:55:05,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:55:05,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:55:05,368 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-26 11:55:05,373 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-26 11:55:05,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:55:05,403 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:55:05,409 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-26 11:55:05,410 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-26 11:55:05,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:55:05,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:55:05,454 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:55:05,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-26 11:55:05,456 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:55:05,457 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-26 11:55:05,457 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:55:05,457 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 6*ULTIMATE.start_main_~x~0#1 + 2*ULTIMATE.start_main_~y~0#1 + 1 f1 = 2*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [] [2023-11-26 11:55:05,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-26 11:55:05,477 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-26 11:55:05,486 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IfThenElseExpression (if 2 * ~y~0 + 6 * ~x~0 + 1 > 0 then 1 else 0) could not be translated [2023-11-26 11:55:05,492 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IfThenElseExpression (if 2 * ~y~0 + 6 * ~x~0 + 1 > 0 then 2 * ~y~0 + 6 * ~x~0 + 1 else 2 * ~x~0 + 1) could not be translated [2023-11-26 11:55:05,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:55:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:55:05,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:55:05,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:55:05,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:55:05,569 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 11:55:05,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:55:05,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:55:05,621 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 [2023-11-26 11:55:05,623 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2023-11-26 11:55:05,684 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 19 states and 23 transitions. Complement of second has 6 states. [2023-11-26 11:55:05,686 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 [2023-11-26 11:55:05,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2023-11-26 11:55:05,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2023-11-26 11:55:05,693 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 4 letters. Loop has 1 letters. [2023-11-26 11:55:05,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:55:05,695 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 5 letters. Loop has 1 letters. [2023-11-26 11:55:05,695 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:55:05,695 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 4 letters. Loop has 2 letters. [2023-11-26 11:55:05,696 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:55:05,696 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 23 transitions. [2023-11-26 11:55:05,702 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 11:55:05,704 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2023-11-26 11:55:05,705 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-26 11:55:05,705 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-26 11:55:05,706 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-26 11:55:05,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:55:05,706 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:55:05,707 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:55:05,707 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:55:05,707 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 11:55:05,707 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-26 11:55:05,707 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 11:55:05,708 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-26 11:55:05,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 11:55:05 BoogieIcfgContainer [2023-11-26 11:55:05,716 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 11:55:05,717 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:55:05,718 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:55:05,718 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:55:05,718 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:55:04" (3/4) ... [2023-11-26 11:55:05,721 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:55:05,722 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:55:05,723 INFO L158 Benchmark]: Toolchain (without parser) took 2111.15ms. Allocated memory was 138.4MB in the beginning and 169.9MB in the end (delta: 31.5MB). Free memory was 107.8MB in the beginning and 107.8MB in the end (delta: 20.5kB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2023-11-26 11:55:05,729 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 138.4MB. Free memory is still 95.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:55:05,730 INFO L158 Benchmark]: CACSL2BoogieTranslator took 230.13ms. Allocated memory is still 138.4MB. Free memory was 107.5MB in the beginning and 97.9MB in the end (delta: 9.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 11:55:05,731 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.06ms. Allocated memory is still 138.4MB. Free memory was 97.9MB in the beginning and 96.7MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:55:05,732 INFO L158 Benchmark]: Boogie Preprocessor took 30.03ms. Allocated memory is still 138.4MB. Free memory was 96.6MB in the beginning and 95.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:55:05,732 INFO L158 Benchmark]: RCFGBuilder took 262.76ms. Allocated memory is still 138.4MB. Free memory was 95.2MB in the beginning and 86.8MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-26 11:55:05,733 INFO L158 Benchmark]: BuchiAutomizer took 1541.06ms. Allocated memory was 138.4MB in the beginning and 169.9MB in the end (delta: 31.5MB). Free memory was 86.8MB in the beginning and 108.5MB in the end (delta: -21.7MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2023-11-26 11:55:05,736 INFO L158 Benchmark]: Witness Printer took 4.61ms. Allocated memory is still 169.9MB. Free memory was 108.5MB in the beginning and 107.8MB in the end (delta: 754.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:55:05,746 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 138.4MB. Free memory is still 95.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 230.13ms. Allocated memory is still 138.4MB. Free memory was 107.5MB in the beginning and 97.9MB in the end (delta: 9.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.06ms. Allocated memory is still 138.4MB. Free memory was 97.9MB in the beginning and 96.7MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.03ms. Allocated memory is still 138.4MB. Free memory was 96.6MB in the beginning and 95.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 262.76ms. Allocated memory is still 138.4MB. Free memory was 95.2MB in the beginning and 86.8MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1541.06ms. Allocated memory was 138.4MB in the beginning and 169.9MB in the end (delta: 31.5MB). Free memory was 86.8MB in the beginning and 108.5MB in the end (delta: -21.7MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * Witness Printer took 4.61ms. Allocated memory is still 169.9MB. Free memory was 108.5MB in the beginning and 107.8MB in the end (delta: 754.4kB). 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 2 * ~y~0 + 6 * ~x~0 + 1 > 0 then 1 else 0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IfThenElseExpression (if 2 * ~y~0 + 6 * ~x~0 + 1 > 0 then 2 * ~y~0 + 6 * ~x~0 + 1 else 2 * ~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 2-nested ranking function null, null and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 11 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, 10 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax166 hnf100 lsp60 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq183 hnf93 smp100 dnf100 smp100 tf106 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 67ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-26 11:55:05,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-26 11:55:05,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115fb211-16be-45c0-b56c-d4af6bdd5f32/bin/uautomizer-verify-VRDe98Ueme/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