./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 02f348a1765e9ec5744c77eeefa530e23dc9cfba8d17cca10f5e72556b3df984 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 22:53:08,715 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 22:53:08,788 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-20 22:53:08,792 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 22:53:08,793 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 22:53:08,827 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 22:53:08,828 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 22:53:08,828 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 22:53:08,829 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 22:53:08,829 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 22:53:08,830 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 22:53:08,830 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 22:53:08,830 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 22:53:08,831 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-20 22:53:08,831 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-20 22:53:08,833 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-20 22:53:08,835 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-20 22:53:08,837 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-20 22:53:08,837 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-20 22:53:08,838 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 22:53:08,838 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-20 22:53:08,838 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 22:53:08,839 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 22:53:08,840 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 22:53:08,840 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 22:53:08,840 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-20 22:53:08,840 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-20 22:53:08,841 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-20 22:53:08,841 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 22:53:08,841 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 22:53:08,841 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 22:53:08,842 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 22:53:08,842 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-20 22:53:08,842 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 22:53:08,843 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 22:53:08,843 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 22:53:08,843 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 22:53:08,844 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 22:53:08,844 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-20 22:53:08,844 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02f348a1765e9ec5744c77eeefa530e23dc9cfba8d17cca10f5e72556b3df984 [2024-11-20 22:53:09,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 22:53:09,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 22:53:09,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 22:53:09,116 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 22:53:09,116 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 22:53:09,118 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c [2024-11-20 22:53:10,603 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 22:53:10,839 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 22:53:10,839 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c [2024-11-20 22:53:10,852 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4060c5387/8d36e6862fcd4ab39fad14b527d50c61/FLAG70cfaa62c [2024-11-20 22:53:11,181 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4060c5387/8d36e6862fcd4ab39fad14b527d50c61 [2024-11-20 22:53:11,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 22:53:11,184 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 22:53:11,186 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 22:53:11,186 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 22:53:11,191 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 22:53:11,191 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:53:11" (1/1) ... [2024-11-20 22:53:11,192 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49d432c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:11, skipping insertion in model container [2024-11-20 22:53:11,192 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:53:11" (1/1) ... [2024-11-20 22:53:11,228 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 22:53:11,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 22:53:11,618 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 22:53:11,628 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-11-20 22:53:11,629 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [153] [2024-11-20 22:53:11,630 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [237] [2024-11-20 22:53:11,630 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [265] [2024-11-20 22:53:11,630 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [409] [2024-11-20 22:53:11,630 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [476] [2024-11-20 22:53:11,631 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [842] [2024-11-20 22:53:11,631 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [877] [2024-11-20 22:53:11,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 22:53:11,740 INFO L204 MainTranslator]: Completed translation [2024-11-20 22:53:11,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:11 WrapperNode [2024-11-20 22:53:11,741 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 22:53:11,742 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 22:53:11,742 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 22:53:11,743 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 22:53:11,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:11" (1/1) ... [2024-11-20 22:53:11,765 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:11" (1/1) ... [2024-11-20 22:53:11,805 INFO L138 Inliner]: procedures = 51, calls = 94, calls flagged for inlining = 47, calls inlined = 51, statements flattened = 312 [2024-11-20 22:53:11,806 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 22:53:11,806 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 22:53:11,806 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 22:53:11,806 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 22:53:11,816 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:11" (1/1) ... [2024-11-20 22:53:11,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:11" (1/1) ... [2024-11-20 22:53:11,819 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:11" (1/1) ... [2024-11-20 22:53:11,835 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]. [2024-11-20 22:53:11,835 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:11" (1/1) ... [2024-11-20 22:53:11,836 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:11" (1/1) ... [2024-11-20 22:53:11,844 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:11" (1/1) ... [2024-11-20 22:53:11,851 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:11" (1/1) ... [2024-11-20 22:53:11,852 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:11" (1/1) ... [2024-11-20 22:53:11,854 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:11" (1/1) ... [2024-11-20 22:53:11,856 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 22:53:11,857 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 22:53:11,857 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 22:53:11,857 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 22:53:11,858 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:11" (1/1) ... [2024-11-20 22:53:11,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:53:11,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:53:11,894 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:53:11,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-20 22:53:11,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 22:53:11,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 22:53:11,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 22:53:11,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 22:53:12,032 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 22:53:12,036 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 22:53:12,393 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-11-20 22:53:12,393 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 22:53:12,408 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 22:53:12,408 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-20 22:53:12,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:53:12 BoogieIcfgContainer [2024-11-20 22:53:12,409 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 22:53:12,411 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-20 22:53:12,411 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-20 22:53:12,415 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-20 22:53:12,416 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-20 22:53:12,417 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:53:11" (1/3) ... [2024-11-20 22:53:12,418 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@182c3870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:53:12, skipping insertion in model container [2024-11-20 22:53:12,419 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-20 22:53:12,419 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:11" (2/3) ... [2024-11-20 22:53:12,419 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@182c3870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:53:12, skipping insertion in model container [2024-11-20 22:53:12,419 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-20 22:53:12,419 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:53:12" (3/3) ... [2024-11-20 22:53:12,420 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product06.cil.c [2024-11-20 22:53:12,469 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-20 22:53:12,469 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-20 22:53:12,469 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-20 22:53:12,470 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-20 22:53:12,470 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-20 22:53:12,470 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-20 22:53:12,470 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-20 22:53:12,470 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-20 22:53:12,475 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 100 states, 99 states have (on average 1.3434343434343434) internal successors, (133), 99 states have internal predecessors, (133), 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) [2024-11-20 22:53:12,497 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2024-11-20 22:53:12,497 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:53:12,497 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:53:12,503 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:53:12,503 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:53:12,503 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-20 22:53:12,504 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 100 states, 99 states have (on average 1.3434343434343434) internal successors, (133), 99 states have internal predecessors, (133), 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) [2024-11-20 22:53:12,509 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2024-11-20 22:53:12,509 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:53:12,509 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:53:12,510 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:53:12,511 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:53:12,515 INFO L745 eck$LassoCheckResult]: Stem: 27#$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(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 32#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 22#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 82#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 72#valid_product_returnLabel#1true main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 45#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 62#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 10#L420-2true [2024-11-20 22:53:12,516 INFO L747 eck$LassoCheckResult]: Loop: 10#L420-2true assume !false; 26#L421true assume test_~splverifierCounter~0#1 < 4; 17#L422true havoc test_#t~nondet22#1;test_~tmp~3#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 16#L430true assume !(0 != test_~tmp~3#1); 41#L430-2true havoc test_#t~nondet23#1;test_~tmp___0~1#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 79#L440true assume !(0 != test_~tmp___0~1#1); 78#L440-2true havoc test_#t~nondet24#1;test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 75#L450true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet25#1;test_~tmp___1~0#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 84#L458true assume 0 != test_~tmp___1~0#1; 67#L458-2true assume { :begin_inline_timeShift } true; 6#L276true assume !(0 != ~pumpRunning~0); 83#L276-2true assume !(0 != ~systemActive~0); 64#L283-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_#t~ret11#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 52#getWaterLevel_returnLabel#1true __utac_acc__Specification4_spec__1_#t~ret10#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret10#1;havoc __utac_acc__Specification4_spec__1_#t~ret10#1; 100#L248true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 68#L248-1true havoc __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_#t~ret11#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 53#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 10#L420-2true [2024-11-20 22:53:12,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:53:12,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-20 22:53:12,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:53:12,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992497313] [2024-11-20 22:53:12,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:53:12,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:53:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:53:12,634 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:53:12,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:53:12,686 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:53:12,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:53:12,690 INFO L85 PathProgramCache]: Analyzing trace with hash -293244796, now seen corresponding path program 1 times [2024-11-20 22:53:12,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:53:12,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061013721] [2024-11-20 22:53:12,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:53:12,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:53:12,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:53:12,705 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:53:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:53:12,714 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:53:12,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:53:12,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1224926400, now seen corresponding path program 1 times [2024-11-20 22:53:12,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:53:12,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844562031] [2024-11-20 22:53:12,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:53:12,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:53:12,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:53:12,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:53:13,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 22:53:13,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844562031] [2024-11-20 22:53:13,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844562031] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 22:53:13,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 22:53:13,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 22:53:13,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735489461] [2024-11-20 22:53:13,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 22:53:13,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 22:53:13,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 22:53:13,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 22:53:13,149 INFO L87 Difference]: Start difference. First operand has 100 states, 99 states have (on average 1.3434343434343434) internal successors, (133), 99 states have internal predecessors, (133), 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 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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) [2024-11-20 22:53:13,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 22:53:13,217 INFO L93 Difference]: Finished difference Result 94 states and 116 transitions. [2024-11-20 22:53:13,218 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 94 states and 116 transitions. [2024-11-20 22:53:13,222 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2024-11-20 22:53:13,226 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 94 states to 84 states and 106 transitions. [2024-11-20 22:53:13,228 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 84 [2024-11-20 22:53:13,228 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 84 [2024-11-20 22:53:13,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 84 states and 106 transitions. [2024-11-20 22:53:13,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-20 22:53:13,230 INFO L218 hiAutomatonCegarLoop]: Abstraction has 84 states and 106 transitions. [2024-11-20 22:53:13,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states and 106 transitions. [2024-11-20 22:53:13,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-20 22:53:13,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 84 states have (on average 1.2619047619047619) internal successors, (106), 83 states have internal predecessors, (106), 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) [2024-11-20 22:53:13,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 106 transitions. [2024-11-20 22:53:13,261 INFO L240 hiAutomatonCegarLoop]: Abstraction has 84 states and 106 transitions. [2024-11-20 22:53:13,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 22:53:13,270 INFO L425 stractBuchiCegarLoop]: Abstraction has 84 states and 106 transitions. [2024-11-20 22:53:13,270 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-20 22:53:13,270 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 84 states and 106 transitions. [2024-11-20 22:53:13,272 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2024-11-20 22:53:13,272 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:53:13,273 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:53:13,273 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:53:13,273 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:53:13,274 INFO L745 eck$LassoCheckResult]: Stem: 271#$Ultimate##0 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(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 272#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 262#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 263#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 257#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 258#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 217#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 218#L420-2 [2024-11-20 22:53:13,274 INFO L747 eck$LassoCheckResult]: Loop: 218#L420-2 assume !false; 229#L421 assume test_~splverifierCounter~0#1 < 4; 248#L422 havoc test_#t~nondet22#1;test_~tmp~3#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 244#L430 assume !(0 != test_~tmp~3#1); 246#L430-2 havoc test_#t~nondet23#1;test_~tmp___0~1#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 273#L440 assume !(0 != test_~tmp___0~1#1); 233#L440-2 havoc test_#t~nondet24#1;test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 264#L450 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet25#1;test_~tmp___1~0#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 265#L458 assume 0 != test_~tmp___1~0#1; 236#L458-2 assume { :begin_inline_timeShift } true; 214#L276 assume !(0 != ~pumpRunning~0); 215#L276-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 238#L308 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 225#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 226#L308-1 havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 227#L283-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_#t~ret11#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 228#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret10#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret10#1;havoc __utac_acc__Specification4_spec__1_#t~ret10#1; 293#L248 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 240#L248-1 havoc __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_#t~ret11#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 241#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 218#L420-2 [2024-11-20 22:53:13,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:53:13,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-20 22:53:13,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:53:13,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777979479] [2024-11-20 22:53:13,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:53:13,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:53:13,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:53:13,289 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:53:13,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:53:13,302 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:53:13,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:53:13,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1015446697, now seen corresponding path program 1 times [2024-11-20 22:53:13,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:53:13,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595902676] [2024-11-20 22:53:13,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:53:13,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:53:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:53:13,314 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:53:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:53:13,320 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:53:13,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:53:13,321 INFO L85 PathProgramCache]: Analyzing trace with hash -632551315, now seen corresponding path program 1 times [2024-11-20 22:53:13,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:53:13,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966989813] [2024-11-20 22:53:13,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:53:13,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:53:13,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:53:13,335 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:53:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:53:13,377 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:53:14,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:53:14,284 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:53:14,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:53:14,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 10:53:14 BoogieIcfgContainer [2024-11-20 22:53:14,354 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-20 22:53:14,354 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 22:53:14,354 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 22:53:14,355 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 22:53:14,355 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:53:12" (3/4) ... [2024-11-20 22:53:14,358 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-20 22:53:14,427 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 22:53:14,430 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 22:53:14,430 INFO L158 Benchmark]: Toolchain (without parser) took 3246.03ms. Allocated memory is still 163.6MB. Free memory was 95.2MB in the beginning and 98.3MB in the end (delta: -3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 22:53:14,431 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 22:53:14,431 INFO L158 Benchmark]: CACSL2BoogieTranslator took 555.89ms. Allocated memory is still 163.6MB. Free memory was 95.1MB in the beginning and 120.7MB in the end (delta: -25.7MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2024-11-20 22:53:14,431 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.46ms. Allocated memory is still 163.6MB. Free memory was 120.7MB in the beginning and 118.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 22:53:14,432 INFO L158 Benchmark]: Boogie Preprocessor took 50.04ms. Allocated memory is still 163.6MB. Free memory was 118.0MB in the beginning and 115.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 22:53:14,433 INFO L158 Benchmark]: RCFGBuilder took 552.31ms. Allocated memory is still 163.6MB. Free memory was 115.9MB in the beginning and 97.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-20 22:53:14,433 INFO L158 Benchmark]: BuchiAutomizer took 1942.97ms. Allocated memory is still 163.6MB. Free memory was 97.1MB in the beginning and 101.5MB in the end (delta: -4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 22:53:14,433 INFO L158 Benchmark]: Witness Printer took 75.46ms. Allocated memory is still 163.6MB. Free memory was 101.5MB in the beginning and 98.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 22:53:14,435 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 555.89ms. Allocated memory is still 163.6MB. Free memory was 95.1MB in the beginning and 120.7MB in the end (delta: -25.7MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.46ms. Allocated memory is still 163.6MB. Free memory was 120.7MB in the beginning and 118.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.04ms. Allocated memory is still 163.6MB. Free memory was 118.0MB in the beginning and 115.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 552.31ms. Allocated memory is still 163.6MB. Free memory was 115.9MB in the beginning and 97.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 1942.97ms. Allocated memory is still 163.6MB. Free memory was 97.1MB in the beginning and 101.5MB in the end (delta: -4.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 75.46ms. Allocated memory is still 163.6MB. Free memory was 101.5MB in the beginning and 98.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [153] - GenericResultAtLocation [Line: 237]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [237] - GenericResultAtLocation [Line: 265]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [265] - GenericResultAtLocation [Line: 409]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [409] - GenericResultAtLocation [Line: 476]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [476] - GenericResultAtLocation [Line: 842]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [842] - GenericResultAtLocation [Line: 877]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [877] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 84 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 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 [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 213 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 213 mSDsluCounter, 326 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 215 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 111 mSDtfsCounter, 20 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 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: 420]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L158] int waterLevel = 1; [L159] int methaneLevelCritical = 0; [L269] int pumpRunning = 0; [L270] int systemActive = 1; [L646] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L869] int retValue_acc ; [L872] retValue_acc = 1 [L873] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L411] int splverifierCounter ; [L412] int tmp ; [L413] int tmp___0 ; [L414] int tmp___1 ; [L415] int tmp___2 ; [L418] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L420] COND TRUE 1 [L422] COND TRUE splverifierCounter < 4 [L428] tmp = __VERIFIER_nondet_int() [L430] COND FALSE !(\read(tmp)) [L438] tmp___0 = __VERIFIER_nondet_int() [L440] COND FALSE !(\read(tmp___0)) [L448] tmp___2 = __VERIFIER_nondet_int() [L450] COND FALSE !(\read(tmp___2)) [L456] tmp___1 = __VERIFIER_nondet_int() [L458] COND TRUE \read(tmp___1) [L465] CALL timeShift() [L276] COND FALSE !(\read(pumpRunning)) [L283] COND TRUE \read(systemActive) [L285] CALL processEnvironment() [L305] int tmp ; [L308] COND FALSE !(\read(pumpRunning)) [L323] FCALL processEnvironment__wrappee__base() [L285] RET processEnvironment() [L291] CALL __utac_acc__Specification4_spec__1() [L241] int tmp ; [L242] int tmp___0 ; [L246] CALL, EXPR getWaterLevel() [L229] int retValue_acc ; [L232] retValue_acc = waterLevel [L233] return (retValue_acc); [L246] RET, EXPR getWaterLevel() [L246] tmp = getWaterLevel() [L248] COND FALSE !(tmp == 0) [L291] RET __utac_acc__Specification4_spec__1() [L465] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 420]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L158] int waterLevel = 1; [L159] int methaneLevelCritical = 0; [L269] int pumpRunning = 0; [L270] int systemActive = 1; [L646] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L869] int retValue_acc ; [L872] retValue_acc = 1 [L873] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L411] int splverifierCounter ; [L412] int tmp ; [L413] int tmp___0 ; [L414] int tmp___1 ; [L415] int tmp___2 ; [L418] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L420] COND TRUE 1 [L422] COND TRUE splverifierCounter < 4 [L428] tmp = __VERIFIER_nondet_int() [L430] COND FALSE !(\read(tmp)) [L438] tmp___0 = __VERIFIER_nondet_int() [L440] COND FALSE !(\read(tmp___0)) [L448] tmp___2 = __VERIFIER_nondet_int() [L450] COND FALSE !(\read(tmp___2)) [L456] tmp___1 = __VERIFIER_nondet_int() [L458] COND TRUE \read(tmp___1) [L465] CALL timeShift() [L276] COND FALSE !(\read(pumpRunning)) [L283] COND TRUE \read(systemActive) [L285] CALL processEnvironment() [L305] int tmp ; [L308] COND FALSE !(\read(pumpRunning)) [L323] FCALL processEnvironment__wrappee__base() [L285] RET processEnvironment() [L291] CALL __utac_acc__Specification4_spec__1() [L241] int tmp ; [L242] int tmp___0 ; [L246] CALL, EXPR getWaterLevel() [L229] int retValue_acc ; [L232] retValue_acc = waterLevel [L233] return (retValue_acc); [L246] RET, EXPR getWaterLevel() [L246] tmp = getWaterLevel() [L248] COND FALSE !(tmp == 0) [L291] RET __utac_acc__Specification4_spec__1() [L465] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-20 22:53:14,459 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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)