./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/ComplInterv2.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_0970c898-4836-4d30-b2a6-8e9a34da0794/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970c898-4836-4d30-b2a6-8e9a34da0794/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_0970c898-4836-4d30-b2a6-8e9a34da0794/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970c898-4836-4d30-b2a6-8e9a34da0794/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/ComplInterv2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970c898-4836-4d30-b2a6-8e9a34da0794/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_0970c898-4836-4d30-b2a6-8e9a34da0794/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 a4e4c55c78b95f44c6095497bf409656f44c1a6a97ae10e1462b294c9f7e80ca --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:36:31,458 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:36:31,525 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970c898-4836-4d30-b2a6-8e9a34da0794/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-28 04:36:31,530 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:36:31,531 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:36:31,565 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:36:31,566 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:36:31,566 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:36:31,566 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:36:31,566 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:36:31,567 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:36:31,567 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:36:31,567 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:36:31,567 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 04:36:31,567 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 04:36:31,568 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 04:36:31,568 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 04:36:31,568 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 04:36:31,568 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 04:36:31,568 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:36:31,568 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 04:36:31,569 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:36:31,569 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:36:31,569 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 04:36:31,569 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 04:36:31,569 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 04:36:31,569 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:36:31,569 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:36:31,570 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 04:36:31,570 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:36:31,570 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:36:31,570 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:36:31,570 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:36:31,570 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:36:31,570 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 04:36:31,571 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 04:36:31,571 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_0970c898-4836-4d30-b2a6-8e9a34da0794/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 -> a4e4c55c78b95f44c6095497bf409656f44c1a6a97ae10e1462b294c9f7e80ca [2024-11-28 04:36:31,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:36:31,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:36:31,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:36:31,898 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:36:31,898 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:36:31,899 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970c898-4836-4d30-b2a6-8e9a34da0794/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-restricted-15/ComplInterv2.c [2024-11-28 04:36:35,061 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970c898-4836-4d30-b2a6-8e9a34da0794/bin/uautomizer-verify-aQ6SnzHsRB/data/b17a14896/2da4cc34faee4a38be406e1cbcb734fe/FLAGe7680dda9 [2024-11-28 04:36:35,286 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:36:35,287 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970c898-4836-4d30-b2a6-8e9a34da0794/sv-benchmarks/c/termination-restricted-15/ComplInterv2.c [2024-11-28 04:36:35,294 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970c898-4836-4d30-b2a6-8e9a34da0794/bin/uautomizer-verify-aQ6SnzHsRB/data/b17a14896/2da4cc34faee4a38be406e1cbcb734fe/FLAGe7680dda9 [2024-11-28 04:36:35,311 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970c898-4836-4d30-b2a6-8e9a34da0794/bin/uautomizer-verify-aQ6SnzHsRB/data/b17a14896/2da4cc34faee4a38be406e1cbcb734fe [2024-11-28 04:36:35,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:36:35,316 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:36:35,318 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:36:35,318 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:36:35,323 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:36:35,324 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:36:35" (1/1) ... [2024-11-28 04:36:35,325 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2677b8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:35, skipping insertion in model container [2024-11-28 04:36:35,325 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:36:35" (1/1) ... [2024-11-28 04:36:35,348 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:36:35,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:36:35,561 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:36:35,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:36:35,595 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:36:35,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:35 WrapperNode [2024-11-28 04:36:35,596 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:36:35,597 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:36:35,597 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:36:35,597 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:36:35,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:35" (1/1) ... [2024-11-28 04:36:35,616 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:35" (1/1) ... [2024-11-28 04:36:35,636 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2024-11-28 04:36:35,636 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:36:35,637 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:36:35,637 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:36:35,637 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:36:35,646 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:35" (1/1) ... [2024-11-28 04:36:35,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:35" (1/1) ... [2024-11-28 04:36:35,647 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:35" (1/1) ... [2024-11-28 04:36:35,653 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-28 04:36:35,654 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:35" (1/1) ... [2024-11-28 04:36:35,655 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:35" (1/1) ... [2024-11-28 04:36:35,657 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:35" (1/1) ... [2024-11-28 04:36:35,658 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:35" (1/1) ... [2024-11-28 04:36:35,665 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:35" (1/1) ... [2024-11-28 04:36:35,666 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:35" (1/1) ... [2024-11-28 04:36:35,666 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:35" (1/1) ... [2024-11-28 04:36:35,671 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:36:35,672 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:36:35,672 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:36:35,672 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:36:35,677 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:35" (1/1) ... [2024-11-28 04:36:35,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:36:35,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970c898-4836-4d30-b2a6-8e9a34da0794/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:36:35,728 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970c898-4836-4d30-b2a6-8e9a34da0794/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:36:35,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970c898-4836-4d30-b2a6-8e9a34da0794/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 04:36:35,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:36:35,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:36:35,857 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:36:35,859 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:36:35,944 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2024-11-28 04:36:35,945 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:36:35,957 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:36:35,958 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 04:36:35,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:36:35 BoogieIcfgContainer [2024-11-28 04:36:35,958 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:36:35,959 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 04:36:35,960 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 04:36:35,967 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 04:36:35,968 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:36:35,968 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 04:36:35" (1/3) ... [2024-11-28 04:36:35,969 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6db0e67f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 04:36:35, skipping insertion in model container [2024-11-28 04:36:35,970 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:36:35,971 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:35" (2/3) ... [2024-11-28 04:36:35,971 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6db0e67f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 04:36:35, skipping insertion in model container [2024-11-28 04:36:35,971 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:36:35,971 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:36:35" (3/3) ... [2024-11-28 04:36:35,973 INFO L363 chiAutomizerObserver]: Analyzing ICFG ComplInterv2.c [2024-11-28 04:36:36,038 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 04:36:36,038 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 04:36:36,038 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 04:36:36,038 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 04:36:36,038 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 04:36:36,038 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 04:36:36,039 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 04:36:36,039 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 04:36:36,043 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:36:36,060 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 04:36:36,060 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:36:36,060 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:36:36,066 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 04:36:36,066 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 04:36:36,067 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 04:36:36,067 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:36:36,068 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 04:36:36,068 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:36:36,068 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:36:36,068 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 04:36:36,069 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 04:36:36,077 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1;havoc main_~i~0#1;havoc main_#t~nondet0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;" [2024-11-28 04:36:36,077 INFO L749 eck$LassoCheckResult]: Loop: "assume 0 != main_~i~0#1;" "assume !(main_~i~0#1 > -5 && main_~i~0#1 < 5);" [2024-11-28 04:36:36,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:36,084 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-28 04:36:36,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:36:36,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772296427] [2024-11-28 04:36:36,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:36,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:36:36,167 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:36:36,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:36:36,192 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:36:36,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:36,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1237, now seen corresponding path program 1 times [2024-11-28 04:36:36,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:36:36,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280644888] [2024-11-28 04:36:36,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:36,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:36,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:36:36,212 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:36:36,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:36:36,221 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:36:36,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:36,227 INFO L85 PathProgramCache]: Analyzing trace with hash 925719, now seen corresponding path program 1 times [2024-11-28 04:36:36,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:36:36,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125375110] [2024-11-28 04:36:36,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:36,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:36,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:36:36,237 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:36:36,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:36:36,249 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:36:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:36:36,423 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:36:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:36:36,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 04:36:36 BoogieIcfgContainer [2024-11-28 04:36:36,453 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 04:36:36,453 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:36:36,454 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:36:36,454 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:36:36,456 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:36:35" (3/4) ... [2024-11-28 04:36:36,458 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-28 04:36:36,511 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970c898-4836-4d30-b2a6-8e9a34da0794/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:36:36,511 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:36:36,513 INFO L158 Benchmark]: Toolchain (without parser) took 1196.38ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 57.2MB in the end (delta: 36.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-28 04:36:36,513 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:36:36,514 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.88ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 83.2MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:36:36,515 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.15ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 82.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:36:36,516 INFO L158 Benchmark]: Boogie Preprocessor took 34.56ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.4MB in the end (delta: 789.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:36:36,516 INFO L158 Benchmark]: RCFGBuilder took 286.42ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 73.0MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:36:36,517 INFO L158 Benchmark]: BuchiAutomizer took 493.42ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 59.0MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:36:36,517 INFO L158 Benchmark]: Witness Printer took 57.40ms. Allocated memory is still 117.4MB. Free memory was 58.8MB in the beginning and 57.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:36:36,522 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.88ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 83.2MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.15ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 82.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.56ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.4MB in the end (delta: 789.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 286.42ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 73.0MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 493.42ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 59.0MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 57.40ms. Allocated memory is still 117.4MB. Free memory was 58.8MB in the beginning and 57.2MB in the end (delta: 1.6MB). 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 Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.4s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. 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 [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 9]: 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() Loop: [L9] COND TRUE i != 0 [L10] COND FALSE !(i > -5 && i < 5) End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 9]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] i = __VERIFIER_nondet_int() Loop: [L9] COND TRUE i != 0 [L10] COND FALSE !(i > -5 && i < 5) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-28 04:36:36,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970c898-4836-4d30-b2a6-8e9a34da0794/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)