./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/Ex06.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_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/Ex06.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7e66e5d0ac00f8e474147a7ee8b0260ea4ced8ccde7952ff642446632cdde4c3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:12:33,773 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:12:33,887 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-27 20:12:33,893 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:12:33,893 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:12:33,937 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:12:33,938 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:12:33,938 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:12:33,939 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:12:33,939 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:12:33,939 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:12:33,939 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:12:33,939 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:12:33,939 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-27 20:12:33,940 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-27 20:12:33,941 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-27 20:12:33,941 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-27 20:12:33,941 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-27 20:12:33,942 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-27 20:12:33,942 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:12:33,943 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-27 20:12:33,943 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:12:33,943 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:12:33,943 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-27 20:12:33,944 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-27 20:12:33,944 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-27 20:12:33,944 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:12:33,944 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:12:33,944 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-27 20:12:33,944 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:12:33,944 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:12:33,945 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:12:33,945 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:12:33,946 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:12:33,946 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-27 20:12:33,946 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-27 20:12:33,946 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_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e66e5d0ac00f8e474147a7ee8b0260ea4ced8ccde7952ff642446632cdde4c3 [2024-11-27 20:12:34,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:12:34,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:12:34,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:12:34,349 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:12:34,349 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:12:34,351 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-restricted-15/Ex06.c [2024-11-27 20:12:37,526 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/data/c398dd337/2c611757f14a49219ebbfde4ab4cf25b/FLAG8c97a3760 [2024-11-27 20:12:37,795 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:12:37,795 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/sv-benchmarks/c/termination-restricted-15/Ex06.c [2024-11-27 20:12:37,801 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/data/c398dd337/2c611757f14a49219ebbfde4ab4cf25b/FLAG8c97a3760 [2024-11-27 20:12:37,821 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/data/c398dd337/2c611757f14a49219ebbfde4ab4cf25b [2024-11-27 20:12:37,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:12:37,828 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:12:37,830 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:12:37,830 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:12:37,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:12:37,836 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:12:37" (1/1) ... [2024-11-27 20:12:37,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37380d6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:37, skipping insertion in model container [2024-11-27 20:12:37,838 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:12:37" (1/1) ... [2024-11-27 20:12:37,854 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:12:38,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:12:38,050 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:12:38,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:12:38,087 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:12:38,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:38 WrapperNode [2024-11-27 20:12:38,088 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:12:38,089 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:12:38,090 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:12:38,090 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:12:38,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:38" (1/1) ... [2024-11-27 20:12:38,105 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:38" (1/1) ... [2024-11-27 20:12:38,124 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 15 [2024-11-27 20:12:38,125 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:12:38,125 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:12:38,126 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:12:38,127 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:12:38,137 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:38" (1/1) ... [2024-11-27 20:12:38,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:38" (1/1) ... [2024-11-27 20:12:38,139 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:38" (1/1) ... [2024-11-27 20:12:38,146 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-27 20:12:38,146 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:38" (1/1) ... [2024-11-27 20:12:38,146 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:38" (1/1) ... [2024-11-27 20:12:38,148 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:38" (1/1) ... [2024-11-27 20:12:38,149 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:38" (1/1) ... [2024-11-27 20:12:38,154 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:38" (1/1) ... [2024-11-27 20:12:38,155 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:38" (1/1) ... [2024-11-27 20:12:38,156 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:38" (1/1) ... [2024-11-27 20:12:38,158 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:12:38,159 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:12:38,159 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:12:38,159 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:12:38,160 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:38" (1/1) ... [2024-11-27 20:12:38,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:12:38,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:38,204 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:12:38,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-27 20:12:38,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:12:38,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:12:38,322 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:12:38,325 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:12:38,405 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2024-11-27 20:12:38,405 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:12:38,422 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:12:38,424 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-27 20:12:38,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:12:38 BoogieIcfgContainer [2024-11-27 20:12:38,425 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:12:38,426 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-27 20:12:38,426 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-27 20:12:38,434 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-27 20:12:38,434 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 20:12:38,435 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.11 08:12:37" (1/3) ... [2024-11-27 20:12:38,436 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f28ab7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.11 08:12:38, skipping insertion in model container [2024-11-27 20:12:38,436 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 20:12:38,437 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:38" (2/3) ... [2024-11-27 20:12:38,437 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f28ab7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.11 08:12:38, skipping insertion in model container [2024-11-27 20:12:38,438 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 20:12:38,438 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:12:38" (3/3) ... [2024-11-27 20:12:38,439 INFO L363 chiAutomizerObserver]: Analyzing ICFG Ex06.c [2024-11-27 20:12:38,523 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-27 20:12:38,523 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-27 20:12:38,524 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-27 20:12:38,524 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-27 20:12:38,524 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-27 20:12:38,525 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-27 20:12:38,525 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-27 20:12:38,525 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-27 20:12:38,532 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) [2024-11-27 20:12:38,558 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 20:12:38,558 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:12:38,558 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:12:38,565 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-27 20:12:38,566 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 20:12:38,567 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-27 20:12:38,567 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) [2024-11-27 20:12:38,568 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-27 20:12:38,569 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:12:38,569 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:12:38,570 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-27 20:12:38,570 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 20:12:38,578 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1;havoc main_~i~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;" [2024-11-27 20:12:38,578 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 >= -5 && main_~i~0#1 <= 5;" "assume !(main_~i~0#1 > 0);" "assume main_~i~0#1 < 0;main_~i~0#1 := 1 + main_~i~0#1;" [2024-11-27 20:12:38,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:38,586 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-27 20:12:38,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:12:38,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866596912] [2024-11-27 20:12:38,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:38,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:12:38,697 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:12:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:12:38,719 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:12:38,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:38,723 INFO L85 PathProgramCache]: Analyzing trace with hash 37995, now seen corresponding path program 1 times [2024-11-27 20:12:38,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:12:38,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130876406] [2024-11-27 20:12:38,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:38,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:12:38,740 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:12:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:12:38,749 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:12:38,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:38,755 INFO L85 PathProgramCache]: Analyzing trace with hash 28696937, now seen corresponding path program 1 times [2024-11-27 20:12:38,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:12:38,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987890557] [2024-11-27 20:12:38,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:38,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:38,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:12:38,776 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:12:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:12:38,783 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:12:38,900 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 20:12:38,901 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 20:12:38,902 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 20:12:38,902 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 20:12:38,902 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-27 20:12:38,902 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:12:38,903 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 20:12:38,903 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 20:12:38,903 INFO L132 ssoRankerPreferences]: Filename of dumped script: Ex06.c_Iteration1_Loop [2024-11-27 20:12:38,903 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 20:12:38,904 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 20:12:38,927 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:12:38,943 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:12:38,953 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:12:39,061 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 20:12:39,062 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-27 20:12:39,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:12:39,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:39,067 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:12:39,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-27 20:12:39,072 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 20:12:39,072 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:12:39,102 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 20:12:39,102 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-27 20:12:39,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-11-27 20:12:39,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:12:39,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:39,117 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:12:39,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-27 20:12:39,123 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 20:12:39,123 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:12:39,152 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-27 20:12:39,152 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-27 20:12:39,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-27 20:12:39,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:12:39,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:39,161 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:12:39,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-27 20:12:39,164 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-27 20:12:39,165 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:12:39,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-27 20:12:39,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:12:39,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:39,199 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:12:39,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-27 20:12:39,205 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-27 20:12:39,205 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-27 20:12:39,232 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-27 20:12:39,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-27 20:12:39,244 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 20:12:39,244 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 20:12:39,244 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 20:12:39,245 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 20:12:39,245 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 20:12:39,245 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:12:39,245 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 20:12:39,245 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 20:12:39,245 INFO L132 ssoRankerPreferences]: Filename of dumped script: Ex06.c_Iteration1_Loop [2024-11-27 20:12:39,245 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 20:12:39,245 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 20:12:39,248 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:12:39,254 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:12:39,260 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:12:39,352 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 20:12:39,359 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 20:12:39,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:12:39,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:39,364 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:12:39,369 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:12:39,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-27 20:12:39,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:12:39,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:12:39,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:12:39,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:12:39,398 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:12:39,399 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:12:39,409 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:12:39,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-27 20:12:39,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:12:39,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:39,421 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:12:39,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-27 20:12:39,425 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:12:39,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:12:39,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:12:39,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:12:39,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:12:39,442 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:12:39,443 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:12:39,450 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:12:39,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-27 20:12:39,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:12:39,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:39,466 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:12:39,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-27 20:12:39,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:12:39,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:12:39,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:12:39,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:12:39,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:12:39,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:12:39,488 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:12:39,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:12:39,493 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 20:12:39,498 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-27 20:12:39,503 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-27 20:12:39,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:12:39,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:39,510 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:12:39,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-27 20:12:39,514 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 20:12:39,514 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-27 20:12:39,514 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 20:12:39,515 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-11-27 20:12:39,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-27 20:12:39,530 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-27 20:12:39,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:39,585 WARN L254 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 20:12:39,586 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:12:39,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:39,604 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:12:39,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:12:39,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:12:39,662 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-27 20:12:39,664 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 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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) [2024-11-27 20:12:39,732 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 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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 23 states and 36 transitions. Complement of second has 6 states. [2024-11-27 20:12:39,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-27 20:12:39,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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) [2024-11-27 20:12:39,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2024-11-27 20:12:39,754 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 3 letters. [2024-11-27 20:12:39,758 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:12:39,758 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 5 letters. Loop has 3 letters. [2024-11-27 20:12:39,759 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:12:39,759 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 6 letters. [2024-11-27 20:12:39,759 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:12:39,760 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 36 transitions. [2024-11-27 20:12:39,788 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-11-27 20:12:39,795 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 14 states and 21 transitions. [2024-11-27 20:12:39,800 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-11-27 20:12:39,800 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-27 20:12:39,801 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 21 transitions. [2024-11-27 20:12:39,801 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 20:12:39,802 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 21 transitions. [2024-11-27 20:12:39,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-27 20:12:39,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 21 transitions. [2024-11-27 20:12:39,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2024-11-27 20:12:39,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.4615384615384615) 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) [2024-11-27 20:12:39,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 19 transitions. [2024-11-27 20:12:39,833 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 19 transitions. [2024-11-27 20:12:39,833 INFO L425 stractBuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2024-11-27 20:12:39,833 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-27 20:12:39,834 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 19 transitions. [2024-11-27 20:12:39,834 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-11-27 20:12:39,834 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:12:39,835 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:12:39,835 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-27 20:12:39,835 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-27 20:12:39,835 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1;havoc main_~i~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;" "assume main_~i~0#1 >= -5 && main_~i~0#1 <= 5;" [2024-11-27 20:12:39,835 INFO L749 eck$LassoCheckResult]: Loop: "assume !(main_~i~0#1 > 0);" "assume !(main_~i~0#1 < 0);" "assume main_~i~0#1 >= -5 && main_~i~0#1 <= 5;" [2024-11-27 20:12:39,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:39,836 INFO L85 PathProgramCache]: Analyzing trace with hash 29861, now seen corresponding path program 1 times [2024-11-27 20:12:39,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:12:39,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086669965] [2024-11-27 20:12:39,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:39,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:39,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:12:39,842 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:12:39,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:12:39,845 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:12:39,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:39,846 INFO L85 PathProgramCache]: Analyzing trace with hash 45857, now seen corresponding path program 1 times [2024-11-27 20:12:39,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:12:39,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062679949] [2024-11-27 20:12:39,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:39,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:12:39,853 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:12:39,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:12:39,857 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:12:39,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:39,858 INFO L85 PathProgramCache]: Analyzing trace with hash 889605117, now seen corresponding path program 1 times [2024-11-27 20:12:39,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:12:39,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604983853] [2024-11-27 20:12:39,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:39,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:39,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:12:39,865 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:12:39,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:12:39,869 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:12:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:12:39,934 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:12:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:12:39,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.11 08:12:39 BoogieIcfgContainer [2024-11-27 20:12:39,961 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-27 20:12:39,961 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:12:39,962 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:12:39,962 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:12:39,963 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:12:38" (3/4) ... [2024-11-27 20:12:39,965 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-27 20:12:40,004 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 20:12:40,004 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:12:40,005 INFO L158 Benchmark]: Toolchain (without parser) took 2177.34ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 81.6MB in the end (delta: 10.6MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2024-11-27 20:12:40,006 INFO L158 Benchmark]: CDTParser took 1.81ms. Allocated memory is still 83.9MB. Free memory was 40.9MB in the beginning and 40.8MB in the end (delta: 100.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:12:40,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.81ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 82.2MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:12:40,006 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.68ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:12:40,007 INFO L158 Benchmark]: Boogie Preprocessor took 32.44ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.2MB in the end (delta: 931.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:12:40,007 INFO L158 Benchmark]: RCFGBuilder took 266.15ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 72.0MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:12:40,008 INFO L158 Benchmark]: BuchiAutomizer took 1535.09ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 83.5MB in the end (delta: -11.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:12:40,008 INFO L158 Benchmark]: Witness Printer took 42.85ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 81.6MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:12:40,010 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.81ms. Allocated memory is still 83.9MB. Free memory was 40.9MB in the beginning and 40.8MB in the end (delta: 100.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 258.81ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 82.2MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.68ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.44ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.2MB in the end (delta: 931.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 266.15ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 72.0MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1535.09ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 83.5MB in the end (delta: -11.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 42.85ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 81.6MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. 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) and one nonterminating remainder module.One deterministic module has affine ranking function ((long) -1 * i) and consists of 4 locations. The remainder module has 13 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax170 hnf100 lsp58 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq135 hnf95 smp100 dnf100 smp100 tf109 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 48ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 10]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L6] int i; [L7] i = __VERIFIER_nondet_int() [L9] COND TRUE i >= -5 && i <= 5 VAL [i=0] Loop: [L10] COND FALSE !(i > 0) [L13] COND FALSE !(i < 0) [L9] COND TRUE i >= -5 && i <= 5 End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 10]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] i = __VERIFIER_nondet_int() [L9] COND TRUE i >= -5 && i <= 5 VAL [i=0] Loop: [L10] COND FALSE !(i > 0) [L13] COND FALSE !(i < 0) [L9] COND TRUE i >= -5 && i <= 5 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-27 20:12:40,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dc4cfe0-3c59-4834-8c06-a66ce8e6130d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)