./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1 --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 ef201cd54bcdc81a1760f6e60d88bd9cc04c6c00c0d7306b10fb5fb0b61b4e06 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-01 23:14:10,252 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-01 23:14:10,312 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-12-01 23:14:10,317 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-01 23:14:10,317 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-01 23:14:10,339 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-01 23:14:10,340 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-01 23:14:10,340 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-01 23:14:10,341 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-01 23:14:10,341 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-01 23:14:10,341 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-01 23:14:10,341 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-01 23:14:10,341 INFO L153 SettingsManager]: * Use SBE=true [2024-12-01 23:14:10,341 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-12-01 23:14:10,342 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-12-01 23:14:10,342 INFO L153 SettingsManager]: * Use old map elimination=false [2024-12-01 23:14:10,342 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-12-01 23:14:10,342 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-12-01 23:14:10,342 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-12-01 23:14:10,342 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-01 23:14:10,342 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-12-01 23:14:10,342 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-01 23:14:10,342 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-01 23:14:10,342 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-12-01 23:14:10,342 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-12-01 23:14:10,343 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-12-01 23:14:10,343 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-01 23:14:10,343 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-01 23:14:10,343 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-12-01 23:14:10,343 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-01 23:14:10,343 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-01 23:14:10,343 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-01 23:14:10,343 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:14:10,343 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-01 23:14:10,343 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-12-01 23:14:10,344 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-12-01 23:14:10,344 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1 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 -> ef201cd54bcdc81a1760f6e60d88bd9cc04c6c00c0d7306b10fb5fb0b61b4e06 [2024-12-01 23:14:10,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-01 23:14:10,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-01 23:14:10,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-01 23:14:10,606 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-01 23:14:10,607 INFO L274 PluginConnector]: CDTParser initialized [2024-12-01 23:14:10,608 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c [2024-12-01 23:14:13,223 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/data/e5635fa84/dc4a7579f985414093520b817189c2ea/FLAG907303fbd [2024-12-01 23:14:13,411 INFO L384 CDTParser]: Found 1 translation units. [2024-12-01 23:14:13,412 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c [2024-12-01 23:14:13,417 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/data/e5635fa84/dc4a7579f985414093520b817189c2ea/FLAG907303fbd [2024-12-01 23:14:13,800 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/data/e5635fa84/dc4a7579f985414093520b817189c2ea [2024-12-01 23:14:13,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-01 23:14:13,803 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-01 23:14:13,804 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-01 23:14:13,804 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-01 23:14:13,808 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-01 23:14:13,809 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:14:13" (1/1) ... [2024-12-01 23:14:13,809 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d5b426 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:13, skipping insertion in model container [2024-12-01 23:14:13,809 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:14:13" (1/1) ... [2024-12-01 23:14:13,819 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-01 23:14:13,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:14:13,922 INFO L200 MainTranslator]: Completed pre-run [2024-12-01 23:14:13,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:14:13,947 INFO L204 MainTranslator]: Completed translation [2024-12-01 23:14:13,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:13 WrapperNode [2024-12-01 23:14:13,947 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-01 23:14:13,948 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-01 23:14:13,948 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-01 23:14:13,948 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-01 23:14:13,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:13" (1/1) ... [2024-12-01 23:14:13,956 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:13" (1/1) ... [2024-12-01 23:14:13,967 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2024-12-01 23:14:13,968 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-01 23:14:13,968 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-01 23:14:13,968 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-01 23:14:13,968 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-01 23:14:13,975 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:13" (1/1) ... [2024-12-01 23:14:13,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:13" (1/1) ... [2024-12-01 23:14:13,976 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:13" (1/1) ... [2024-12-01 23:14:13,980 INFO L175 MemorySlicer]: No memory access in input program. [2024-12-01 23:14:13,980 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:13" (1/1) ... [2024-12-01 23:14:13,980 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:13" (1/1) ... [2024-12-01 23:14:13,982 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:13" (1/1) ... [2024-12-01 23:14:13,982 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:13" (1/1) ... [2024-12-01 23:14:13,986 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:13" (1/1) ... [2024-12-01 23:14:13,986 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:13" (1/1) ... [2024-12-01 23:14:13,986 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:13" (1/1) ... [2024-12-01 23:14:13,987 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-01 23:14:13,988 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-01 23:14:13,988 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-01 23:14:13,988 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-01 23:14:13,989 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:13" (1/1) ... [2024-12-01 23:14:13,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-01 23:14:14,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:14:14,017 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-01 23:14:14,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-12-01 23:14:14,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-01 23:14:14,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-01 23:14:14,112 INFO L234 CfgBuilder]: Building ICFG [2024-12-01 23:14:14,114 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-01 23:14:14,188 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-01 23:14:14,189 INFO L283 CfgBuilder]: Performing block encoding [2024-12-01 23:14:14,196 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-01 23:14:14,196 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-01 23:14:14,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:14:14 BoogieIcfgContainer [2024-12-01 23:14:14,196 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-01 23:14:14,197 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-12-01 23:14:14,197 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-12-01 23:14:14,201 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-12-01 23:14:14,202 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-01 23:14:14,202 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 11:14:13" (1/3) ... [2024-12-01 23:14:14,203 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3736d272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 11:14:14, skipping insertion in model container [2024-12-01 23:14:14,203 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-01 23:14:14,203 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:13" (2/3) ... [2024-12-01 23:14:14,203 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3736d272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 11:14:14, skipping insertion in model container [2024-12-01 23:14:14,203 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-01 23:14:14,204 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:14:14" (3/3) ... [2024-12-01 23:14:14,204 INFO L363 chiAutomizerObserver]: Analyzing ICFG ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c [2024-12-01 23:14:14,248 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-12-01 23:14:14,248 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-12-01 23:14:14,248 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-12-01 23:14:14,248 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-12-01 23:14:14,248 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-12-01 23:14:14,248 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-12-01 23:14:14,249 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-12-01 23:14:14,249 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-12-01 23:14:14,252 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 23:14:14,264 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-12-01 23:14:14,264 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-01 23:14:14,264 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-01 23:14:14,268 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-12-01 23:14:14,268 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-12-01 23:14:14,268 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-12-01 23:14:14,269 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 23:14:14,270 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-12-01 23:14:14,270 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-01 23:14:14,270 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-01 23:14:14,270 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-12-01 23:14:14,270 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-12-01 23:14:14,275 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~y~0#1, main_~i~0#1, main_~r~0#1, main_~N~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~i~0#1;havoc main_~r~0#1;havoc main_~N~0#1;main_~N~0#1 := 10;main_~x~0#1 := 0;main_~y~0#1 := 0;main_~i~0#1 := 0;" [2024-12-01 23:14:14,275 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~N~0#1;" "main_~i~0#1 := 1 + main_~i~0#1;havoc main_#t~nondet0#1;main_~r~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;" "assume !(main_~r~0#1 >= 0 && main_~r~0#1 <= 3);" [2024-12-01 23:14:14,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:14:14,280 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-12-01 23:14:14,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-01 23:14:14,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306206477] [2024-12-01 23:14:14,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:14:14,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:14:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:14:14,347 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-01 23:14:14,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:14:14,361 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-01 23:14:14,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:14:14,364 INFO L85 PathProgramCache]: Analyzing trace with hash 37889, now seen corresponding path program 1 times [2024-12-01 23:14:14,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-01 23:14:14,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935437572] [2024-12-01 23:14:14,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:14:14,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:14:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:14:14,375 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-01 23:14:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:14:14,381 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-01 23:14:14,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:14:14,383 INFO L85 PathProgramCache]: Analyzing trace with hash 28696831, now seen corresponding path program 1 times [2024-12-01 23:14:14,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-01 23:14:14,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088177697] [2024-12-01 23:14:14,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:14:14,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:14:14,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:14:14,391 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-01 23:14:14,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:14:14,397 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-01 23:14:14,467 INFO L204 LassoAnalysis]: Preferences: [2024-12-01 23:14:14,468 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-01 23:14:14,468 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-01 23:14:14,468 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-01 23:14:14,468 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-12-01 23:14:14,468 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-01 23:14:14,468 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-01 23:14:14,469 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-01 23:14:14,469 INFO L132 ssoRankerPreferences]: Filename of dumped script: ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c_Iteration1_Loop [2024-12-01 23:14:14,469 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-01 23:14:14,469 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-01 23:14:14,479 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-01 23:14:14,487 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-01 23:14:14,492 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-01 23:14:14,495 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-01 23:14:14,504 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-01 23:14:14,572 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-01 23:14:14,572 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-12-01 23:14:14,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-01 23:14:14,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:14:14,576 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-01 23:14:14,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-12-01 23:14:14,579 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-12-01 23:14:14,579 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-01 23:14:14,601 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-12-01 23:14:14,601 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-12-01 23:14:14,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-12-01 23:14:14,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-01 23:14:14,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:14:14,609 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-01 23:14:14,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-12-01 23:14:14,612 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-12-01 23:14:14,612 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-01 23:14:14,634 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-12-01 23:14:14,634 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-12-01 23:14:14,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-12-01 23:14:14,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-01 23:14:14,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:14:14,641 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-01 23:14:14,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-12-01 23:14:14,644 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-12-01 23:14:14,644 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-01 23:14:14,658 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-12-01 23:14:14,658 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~r~0#1=0} Honda state: {ULTIMATE.start_main_~r~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-12-01 23:14:14,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-12-01 23:14:14,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-01 23:14:14,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:14:14,666 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-01 23:14:14,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-12-01 23:14:14,669 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-12-01 23:14:14,669 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-01 23:14:14,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-12-01 23:14:14,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-01 23:14:14,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:14:14,691 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-01 23:14:14,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-12-01 23:14:14,694 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-12-01 23:14:14,694 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-12-01 23:14:14,778 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-12-01 23:14:14,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-12-01 23:14:14,782 INFO L204 LassoAnalysis]: Preferences: [2024-12-01 23:14:14,782 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-01 23:14:14,782 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-01 23:14:14,782 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-01 23:14:14,782 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-12-01 23:14:14,782 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-01 23:14:14,782 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-01 23:14:14,782 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-01 23:14:14,782 INFO L132 ssoRankerPreferences]: Filename of dumped script: ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c_Iteration1_Loop [2024-12-01 23:14:14,782 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-01 23:14:14,782 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-01 23:14:14,784 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-01 23:14:14,787 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-01 23:14:14,792 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-01 23:14:14,797 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-01 23:14:14,807 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-01 23:14:14,862 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-01 23:14:14,865 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-12-01 23:14:14,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-01 23:14:14,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:14:14,868 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-01 23:14:14,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-12-01 23:14:14,871 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-01 23:14:14,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-01 23:14:14,883 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-01 23:14:14,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-01 23:14:14,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-01 23:14:14,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-01 23:14:14,887 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-01 23:14:14,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-01 23:14:14,890 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-01 23:14:14,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-12-01 23:14:14,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-01 23:14:14,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:14:14,900 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-01 23:14:14,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-12-01 23:14:14,903 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-01 23:14:14,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-01 23:14:14,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-01 23:14:14,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-01 23:14:14,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-01 23:14:14,918 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-01 23:14:14,918 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-01 23:14:14,923 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-01 23:14:14,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-12-01 23:14:14,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-01 23:14:14,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:14:14,931 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-01 23:14:14,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-12-01 23:14:14,933 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-01 23:14:14,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-01 23:14:14,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-01 23:14:14,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-01 23:14:14,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-01 23:14:14,948 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-01 23:14:14,949 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-01 23:14:14,954 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-01 23:14:14,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-12-01 23:14:14,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-01 23:14:14,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:14:14,962 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-01 23:14:14,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-12-01 23:14:14,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-01 23:14:14,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-01 23:14:14,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-01 23:14:14,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-01 23:14:14,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-01 23:14:14,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-01 23:14:14,978 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-01 23:14:14,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-01 23:14:14,982 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-12-01 23:14:14,986 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-12-01 23:14:14,989 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-12-01 23:14:14,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-01 23:14:14,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:14:14,992 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-01 23:14:14,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-12-01 23:14:14,995 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-12-01 23:14:14,995 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-12-01 23:14:14,995 INFO L474 LassoAnalysis]: Proved termination. [2024-12-01 23:14:14,995 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~N~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~N~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-12-01 23:14:15,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-12-01 23:14:15,007 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-12-01 23:14:15,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:14:15,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:14:15,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-01 23:14:15,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:14:15,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:14:15,055 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-01 23:14:15,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:14:15,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:14:15,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-12-01 23:14:15,140 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-12-01 23:14:15,143 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 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) [2024-12-01 23:14:15,190 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 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 27 states and 40 transitions. Complement of second has 8 states. [2024-12-01 23:14:15,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-12-01 23:14:15,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 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) [2024-12-01 23:14:15,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2024-12-01 23:14:15,202 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 2 letters. Loop has 3 letters. [2024-12-01 23:14:15,203 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-01 23:14:15,203 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 5 letters. Loop has 3 letters. [2024-12-01 23:14:15,203 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-01 23:14:15,203 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 2 letters. Loop has 6 letters. [2024-12-01 23:14:15,203 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-01 23:14:15,204 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 40 transitions. [2024-12-01 23:14:15,206 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-12-01 23:14:15,208 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2024-12-01 23:14:15,208 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-12-01 23:14:15,209 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-12-01 23:14:15,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-12-01 23:14:15,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-01 23:14:15,209 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-01 23:14:15,209 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-01 23:14:15,209 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-01 23:14:15,210 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-12-01 23:14:15,210 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-12-01 23:14:15,210 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-12-01 23:14:15,210 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-12-01 23:14:15,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 11:14:15 BoogieIcfgContainer [2024-12-01 23:14:15,216 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-12-01 23:14:15,216 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-01 23:14:15,216 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-01 23:14:15,216 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-01 23:14:15,217 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:14:14" (3/4) ... [2024-12-01 23:14:15,219 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-01 23:14:15,219 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-01 23:14:15,220 INFO L158 Benchmark]: Toolchain (without parser) took 1416.98ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 108.7MB in the end (delta: 9.2MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2024-12-01 23:14:15,220 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-01 23:14:15,221 INFO L158 Benchmark]: CACSL2BoogieTranslator took 143.30ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 107.8MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-01 23:14:15,221 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.76ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 106.7MB in the end (delta: 841.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-01 23:14:15,221 INFO L158 Benchmark]: Boogie Preprocessor took 19.15ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 105.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-01 23:14:15,221 INFO L158 Benchmark]: RCFGBuilder took 208.66ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 96.4MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-01 23:14:15,222 INFO L158 Benchmark]: BuchiAutomizer took 1018.85ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 108.7MB in the end (delta: -12.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-01 23:14:15,222 INFO L158 Benchmark]: Witness Printer took 3.17ms. Allocated memory is still 142.6MB. Free memory was 108.7MB in the beginning and 108.7MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-01 23:14:15,224 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 143.30ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 107.8MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.76ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 106.7MB in the end (delta: 841.9kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.15ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 105.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 208.66ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 96.4MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1018.85ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 108.7MB in the end (delta: -12.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.17ms. Allocated memory is still 142.6MB. Free memory was 108.7MB in the beginning and 108.7MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long) -1 * i) + N) and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. 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, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 12 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital12 mio100 ax200 hnf100 lsp50 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf94 smp100 dnf100 smp100 tf111 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-12-01 23:14:15,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b2ac08-ccca-4b33-9c02-f0ac938099d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE