./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/hh2012-ex2b.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34dd390-b0b2-4567-835b-323f3610233d/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34dd390-b0b2-4567-835b-323f3610233d/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34dd390-b0b2-4567-835b-323f3610233d/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34dd390-b0b2-4567-835b-323f3610233d/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/hh2012-ex2b.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34dd390-b0b2-4567-835b-323f3610233d/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34dd390-b0b2-4567-835b-323f3610233d/bin/uautomizer-verify-qhAvR1uOyd --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 32bit --witnessprinter.graph.data.programhash 33d07b945bedf27c99ae2e0c2f8250a85a01f89cb7fb82b15572e4678e4d0d97 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:11:19,315 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:11:19,434 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34dd390-b0b2-4567-835b-323f3610233d/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-13 14:11:19,440 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:11:19,440 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:11:19,476 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:11:19,477 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:11:19,477 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:11:19,477 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:11:19,478 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:11:19,478 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:11:19,478 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:11:19,478 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:11:19,479 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-13 14:11:19,479 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-13 14:11:19,479 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-13 14:11:19,479 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-13 14:11:19,480 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-13 14:11:19,482 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-13 14:11:19,482 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:11:19,482 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-13 14:11:19,482 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:11:19,483 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:11:19,483 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:11:19,483 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:11:19,483 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-13 14:11:19,483 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-13 14:11:19,483 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-13 14:11:19,483 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:11:19,484 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:11:19,484 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:11:19,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:11:19,484 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-13 14:11:19,484 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:11:19,484 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:11:19,484 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:11:19,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:11:19,485 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:11:19,486 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-13 14:11:19,486 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_e34dd390-b0b2-4567-835b-323f3610233d/bin/uautomizer-verify-qhAvR1uOyd 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33d07b945bedf27c99ae2e0c2f8250a85a01f89cb7fb82b15572e4678e4d0d97 [2024-11-13 14:11:19,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:11:19,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:11:19,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:11:19,971 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:11:19,972 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:11:19,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34dd390-b0b2-4567-835b-323f3610233d/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/loop-lit/hh2012-ex2b.i Unable to find full path for "g++" [2024-11-13 14:11:22,450 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:11:22,746 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:11:22,747 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34dd390-b0b2-4567-835b-323f3610233d/sv-benchmarks/c/loop-lit/hh2012-ex2b.i [2024-11-13 14:11:22,761 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34dd390-b0b2-4567-835b-323f3610233d/bin/uautomizer-verify-qhAvR1uOyd/data/5518d74fc/123d31dedbc84b989c3b86476dcfefae/FLAGb70c56fe5 [2024-11-13 14:11:23,036 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34dd390-b0b2-4567-835b-323f3610233d/bin/uautomizer-verify-qhAvR1uOyd/data/5518d74fc/123d31dedbc84b989c3b86476dcfefae [2024-11-13 14:11:23,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:11:23,041 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:11:23,042 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:11:23,043 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:11:23,048 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:11:23,049 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:11:23" (1/1) ... [2024-11-13 14:11:23,050 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9b67b9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:11:23, skipping insertion in model container [2024-11-13 14:11:23,050 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:11:23" (1/1) ... [2024-11-13 14:11:23,065 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:11:23,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:11:23,229 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:11:23,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:11:23,262 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:11:23,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:11:23 WrapperNode [2024-11-13 14:11:23,263 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:11:23,264 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:11:23,264 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:11:23,264 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:11:23,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:11:23" (1/1) ... [2024-11-13 14:11:23,279 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:11:23" (1/1) ... [2024-11-13 14:11:23,300 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 40 [2024-11-13 14:11:23,300 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:11:23,302 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:11:23,302 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:11:23,302 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:11:23,312 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:11:23" (1/1) ... [2024-11-13 14:11:23,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:11:23" (1/1) ... [2024-11-13 14:11:23,313 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:11:23" (1/1) ... [2024-11-13 14:11:23,327 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 14:11:23,327 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:11:23" (1/1) ... [2024-11-13 14:11:23,327 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:11:23" (1/1) ... [2024-11-13 14:11:23,331 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:11:23" (1/1) ... [2024-11-13 14:11:23,338 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:11:23" (1/1) ... [2024-11-13 14:11:23,338 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:11:23" (1/1) ... [2024-11-13 14:11:23,340 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:11:23" (1/1) ... [2024-11-13 14:11:23,345 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:11:23,346 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:11:23,346 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:11:23,346 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:11:23,347 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:11:23" (1/1) ... [2024-11-13 14:11:23,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:11:23,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34dd390-b0b2-4567-835b-323f3610233d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:11:23,395 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34dd390-b0b2-4567-835b-323f3610233d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:11:23,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34dd390-b0b2-4567-835b-323f3610233d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-13 14:11:23,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:11:23,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:11:23,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:11:23,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:11:23,500 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:11:23,501 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:11:23,627 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-13 14:11:23,627 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:11:23,636 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:11:23,637 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 14:11:23,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:11:23 BoogieIcfgContainer [2024-11-13 14:11:23,638 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:11:23,639 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-13 14:11:23,639 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-13 14:11:23,644 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-13 14:11:23,645 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 14:11:23,646 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 02:11:23" (1/3) ... [2024-11-13 14:11:23,647 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@262518b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 02:11:23, skipping insertion in model container [2024-11-13 14:11:23,647 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 14:11:23,648 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:11:23" (2/3) ... [2024-11-13 14:11:23,648 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@262518b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 02:11:23, skipping insertion in model container [2024-11-13 14:11:23,648 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 14:11:23,648 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:11:23" (3/3) ... [2024-11-13 14:11:23,650 INFO L333 chiAutomizerObserver]: Analyzing ICFG hh2012-ex2b.i [2024-11-13 14:11:23,721 INFO L299 stractBuchiCegarLoop]: Interprodecural is true [2024-11-13 14:11:23,721 INFO L300 stractBuchiCegarLoop]: Hoare is None [2024-11-13 14:11:23,722 INFO L301 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-13 14:11:23,723 INFO L302 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-13 14:11:23,723 INFO L303 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-13 14:11:23,723 INFO L304 stractBuchiCegarLoop]: Difference is false [2024-11-13 14:11:23,723 INFO L305 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-13 14:11:23,724 INFO L309 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-13 14:11:23,731 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 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) [2024-11-13 14:11:23,747 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2024-11-13 14:11:23,747 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:11:23,747 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:11:23,755 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-13 14:11:23,755 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-13 14:11:23,755 INFO L331 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-13 14:11:23,756 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 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) [2024-11-13 14:11:23,757 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2024-11-13 14:11:23,758 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:11:23,758 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:11:23,759 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-13 14:11:23,759 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-13 14:11:23,768 INFO L745 eck$LassoCheckResult]: Stem: 14#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_~n~0#1;main_~n~0#1 := 0; 5#L19-1true [2024-11-13 14:11:23,769 INFO L747 eck$LassoCheckResult]: Loop: 5#L19-1true assume !false;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~n~0#1 <= 60 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 12#L13true assume !(0 == __VERIFIER_assert_~cond#1); 6#L13-3true havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet1#1;assume 0 == main_#t~nondet1#1 || 1 == main_#t~nondet1#1; 15#L19true assume !(0 != main_#t~nondet1#1 % 256);havoc main_#t~nondet1#1; 5#L19-1true [2024-11-13 14:11:23,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:11:23,775 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-13 14:11:23,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:11:23,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494023681] [2024-11-13 14:11:23,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:11:23,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:11:23,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:11:23,859 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:11:23,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:11:23,881 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:11:23,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:11:23,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1245354, now seen corresponding path program 1 times [2024-11-13 14:11:23,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:11:23,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077794948] [2024-11-13 14:11:23,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:11:23,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:11:23,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:11:23,898 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:11:23,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:11:23,907 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:11:23,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:11:23,909 INFO L85 PathProgramCache]: Analyzing trace with hash 889672556, now seen corresponding path program 1 times [2024-11-13 14:11:23,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:11:23,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002422750] [2024-11-13 14:11:23,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:11:23,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:11:23,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:11:23,927 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:11:23,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:11:23,945 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:11:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:11:24,267 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:11:24,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:11:24,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 02:11:24 BoogieIcfgContainer [2024-11-13 14:11:24,308 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-13 14:11:24,310 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:11:24,310 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:11:24,310 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:11:24,311 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:11:23" (3/4) ... [2024-11-13 14:11:24,313 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-13 14:11:24,356 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34dd390-b0b2-4567-835b-323f3610233d/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 14:11:24,357 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:11:24,358 INFO L158 Benchmark]: Toolchain (without parser) took 1317.10ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 46.9MB in the end (delta: 46.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 14:11:24,359 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:11:24,360 INFO L158 Benchmark]: CACSL2BoogieTranslator took 220.98ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 83.0MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:11:24,361 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.88ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 81.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:11:24,361 INFO L158 Benchmark]: Boogie Preprocessor took 43.53ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 80.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:11:24,362 INFO L158 Benchmark]: RCFGBuilder took 292.29ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 71.1MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:11:24,362 INFO L158 Benchmark]: BuchiAutomizer took 668.73ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 48.8MB in the end (delta: 21.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:11:24,363 INFO L158 Benchmark]: Witness Printer took 46.90ms. Allocated memory is still 117.4MB. Free memory was 48.8MB in the beginning and 46.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:11:24,368 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 220.98ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 83.0MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.88ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 81.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.53ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 80.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 292.29ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 71.1MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 668.73ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 48.8MB in the end (delta: 21.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 46.90ms. Allocated memory is still 117.4MB. Free memory was 48.8MB in the beginning and 46.9MB in the end (delta: 2.0MB). 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 0.5s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. 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: 1]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L16] int n = 0; VAL [n=0] Loop: [L17] COND TRUE 1 [L18] CALL __VERIFIER_assert(n <= 60) [L13] COND FALSE !(!(cond)) [L18] RET __VERIFIER_assert(n <= 60) [L19] COND FALSE !(__VERIFIER_nondet_bool()) End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L16] int n = 0; VAL [n=0] Loop: [L17] COND TRUE 1 [L18] CALL __VERIFIER_assert(n <= 60) [L13] COND FALSE !(!(cond)) [L18] RET __VERIFIER_assert(n <= 60) [L19] COND FALSE !(__VERIFIER_nondet_bool()) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 14:11:24,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34dd390-b0b2-4567-835b-323f3610233d/bin/uautomizer-verify-qhAvR1uOyd/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)