./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 803cd42f 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 ../sv-benchmarks/c/product-lines/minepump_spec5_product33.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 fff07e5b9817da9e6fd154070162cff001ebe527349ae31a2f1e574ef0fb9f98 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 02:50:31,647 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 02:50:31,713 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-23 02:50:31,717 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 02:50:31,717 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 02:50:31,747 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 02:50:31,749 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 02:50:31,750 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 02:50:31,751 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 02:50:31,751 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 02:50:31,752 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 02:50:31,753 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 02:50:31,753 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 02:50:31,753 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-23 02:50:31,753 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-23 02:50:31,754 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-23 02:50:31,756 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-23 02:50:31,757 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-23 02:50:31,758 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-23 02:50:31,758 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 02:50:31,758 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-23 02:50:31,758 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 02:50:31,758 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 02:50:31,758 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 02:50:31,759 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 02:50:31,759 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-23 02:50:31,759 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-23 02:50:31,759 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-23 02:50:31,759 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 02:50:31,759 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 02:50:31,759 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 02:50:31,759 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 02:50:31,760 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-23 02:50:31,760 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 02:50:31,760 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 02:50:31,760 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 02:50:31,760 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 02:50:31,760 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 02:50:31,760 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-23 02:50:31,761 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fff07e5b9817da9e6fd154070162cff001ebe527349ae31a2f1e574ef0fb9f98 [2024-11-23 02:50:31,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 02:50:31,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 02:50:31,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 02:50:31,990 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 02:50:31,990 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 02:50:31,991 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c [2024-11-23 02:50:33,237 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 02:50:33,469 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 02:50:33,470 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c [2024-11-23 02:50:33,486 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3fffcbf3/67e0014d86b145b48e427d7e56ce3606/FLAG8ba15226a [2024-11-23 02:50:33,806 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3fffcbf3/67e0014d86b145b48e427d7e56ce3606 [2024-11-23 02:50:33,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 02:50:33,809 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 02:50:33,811 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 02:50:33,811 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 02:50:33,818 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 02:50:33,819 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:50:33" (1/1) ... [2024-11-23 02:50:33,820 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@490b5044 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:33, skipping insertion in model container [2024-11-23 02:50:33,820 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:50:33" (1/1) ... [2024-11-23 02:50:33,849 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 02:50:34,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 02:50:34,117 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 02:50:34,124 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-23 02:50:34,125 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [415] [2024-11-23 02:50:34,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [484] [2024-11-23 02:50:34,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [649] [2024-11-23 02:50:34,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [687] [2024-11-23 02:50:34,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [785] [2024-11-23 02:50:34,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [794] [2024-11-23 02:50:34,127 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [889] [2024-11-23 02:50:34,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 02:50:34,201 INFO L204 MainTranslator]: Completed translation [2024-11-23 02:50:34,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:34 WrapperNode [2024-11-23 02:50:34,202 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 02:50:34,202 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 02:50:34,202 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 02:50:34,203 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 02:50:34,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:34" (1/1) ... [2024-11-23 02:50:34,216 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:34" (1/1) ... [2024-11-23 02:50:34,239 INFO L138 Inliner]: procedures = 54, calls = 97, calls flagged for inlining = 50, calls inlined = 57, statements flattened = 379 [2024-11-23 02:50:34,239 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 02:50:34,240 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 02:50:34,240 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 02:50:34,240 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 02:50:34,249 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:34" (1/1) ... [2024-11-23 02:50:34,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:34" (1/1) ... [2024-11-23 02:50:34,251 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:34" (1/1) ... [2024-11-23 02:50:34,268 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]. [2024-11-23 02:50:34,268 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:34" (1/1) ... [2024-11-23 02:50:34,269 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:34" (1/1) ... [2024-11-23 02:50:34,276 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:34" (1/1) ... [2024-11-23 02:50:34,284 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:34" (1/1) ... [2024-11-23 02:50:34,288 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:34" (1/1) ... [2024-11-23 02:50:34,293 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:34" (1/1) ... [2024-11-23 02:50:34,295 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 02:50:34,300 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 02:50:34,300 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 02:50:34,300 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 02:50:34,301 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:34" (1/1) ... [2024-11-23 02:50:34,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:50:34,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:50:34,336 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) [2024-11-23 02:50:34,339 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 [2024-11-23 02:50:34,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 02:50:34,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 02:50:34,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 02:50:34,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 02:50:34,442 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 02:50:34,445 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 02:50:34,707 INFO L? ?]: Removed 79 outVars from TransFormulas that were not future-live. [2024-11-23 02:50:34,708 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 02:50:34,719 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 02:50:34,719 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 02:50:34,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:50:34 BoogieIcfgContainer [2024-11-23 02:50:34,720 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 02:50:34,720 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-23 02:50:34,721 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-23 02:50:34,723 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-23 02:50:34,724 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:50:34,724 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 02:50:33" (1/3) ... [2024-11-23 02:50:34,725 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32a610dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:50:34, skipping insertion in model container [2024-11-23 02:50:34,725 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:50:34,725 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:34" (2/3) ... [2024-11-23 02:50:34,726 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32a610dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:50:34, skipping insertion in model container [2024-11-23 02:50:34,726 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:50:34,726 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:50:34" (3/3) ... [2024-11-23 02:50:34,727 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product33.cil.c [2024-11-23 02:50:34,768 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-23 02:50:34,769 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-23 02:50:34,769 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-23 02:50:34,769 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-23 02:50:34,769 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-23 02:50:34,769 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-23 02:50:34,769 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-23 02:50:34,769 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-23 02:50:34,772 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 118 states, 117 states have (on average 1.3675213675213675) internal successors, (160), 117 states have internal predecessors, (160), 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) [2024-11-23 02:50:34,788 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 74 [2024-11-23 02:50:34,788 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:50:34,788 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:50:34,794 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:50:34,794 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:50:34,795 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-23 02:50:34,795 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 118 states, 117 states have (on average 1.3675213675213675) internal successors, (160), 117 states have internal predecessors, (160), 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) [2024-11-23 02:50:34,799 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 74 [2024-11-23 02:50:34,800 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:50:34,800 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:50:34,800 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:50:34,800 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:50:34,806 INFO L745 eck$LassoCheckResult]: Stem: 25#$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);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; 33#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1, main_~retValue_acc~8#1, main_~tmp~6#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 20#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 99#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~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 86#valid_product_returnLabel#1true main_#t~ret43#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret43#1;havoc main_#t~ret43#1; 5#L772true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 63#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 108#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 43#L430-2true [2024-11-23 02:50:34,807 INFO L747 eck$LassoCheckResult]: Loop: 43#L430-2true assume !false; 117#L431true assume test_~splverifierCounter~0#1 < 4; 79#L432true havoc test_#t~nondet27#1;test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 95#L440true assume !(0 != test_~tmp~3#1); 94#L440-2true havoc test_#t~nondet28#1;test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 91#L450true assume !(0 != test_~tmp___0~0#1); 18#L450-2true havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 49#L460true assume 0 != test_~tmp___2~0#1; 72#L466-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret49#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 106#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret49#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret49#1;havoc __utac_acc__Specification5_spec__2_#t~ret49#1; 70#__utac_acc__Specification5_spec__2_returnLabel#1true havoc __utac_acc__Specification5_spec__2_#t~ret49#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 26#L505true assume !(0 != ~pumpRunning~0); 88#L505-2true assume !(0 != ~systemActive~0); 89#L512-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~7#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 55#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret50#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7#1 := __utac_acc__Specification5_spec__3_#t~ret50#1;havoc __utac_acc__Specification5_spec__3_#t~ret50#1; 103#L917true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7#1); 9#L917-1true havoc __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 56#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 43#L430-2true [2024-11-23 02:50:34,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:50:34,822 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-23 02:50:34,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:50:34,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385256965] [2024-11-23 02:50:34,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:50:34,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:50:34,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:34,942 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:50:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:34,966 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:50:34,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:50:34,968 INFO L85 PathProgramCache]: Analyzing trace with hash 367021838, now seen corresponding path program 1 times [2024-11-23 02:50:34,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:50:34,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088903895] [2024-11-23 02:50:34,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:50:34,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:50:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:34,976 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:50:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:34,983 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:50:34,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:50:34,985 INFO L85 PathProgramCache]: Analyzing trace with hash -972330569, now seen corresponding path program 1 times [2024-11-23 02:50:34,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:50:34,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691508948] [2024-11-23 02:50:34,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:50:34,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:50:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:50:35,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:50:35,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 02:50:35,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691508948] [2024-11-23 02:50:35,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691508948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 02:50:35,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 02:50:35,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 02:50:35,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121582612] [2024-11-23 02:50:35,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 02:50:35,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 02:50:35,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 02:50:35,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 02:50:35,287 INFO L87 Difference]: Start difference. First operand has 118 states, 117 states have (on average 1.3675213675213675) internal successors, (160), 117 states have internal predecessors, (160), 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 4.333333333333333) internal successors, (26), 5 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) [2024-11-23 02:50:35,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 02:50:35,355 INFO L93 Difference]: Finished difference Result 112 states and 143 transitions. [2024-11-23 02:50:35,356 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 112 states and 143 transitions. [2024-11-23 02:50:35,360 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2024-11-23 02:50:35,364 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 112 states to 102 states and 133 transitions. [2024-11-23 02:50:35,365 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 102 [2024-11-23 02:50:35,365 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 102 [2024-11-23 02:50:35,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 102 states and 133 transitions. [2024-11-23 02:50:35,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 02:50:35,369 INFO L218 hiAutomatonCegarLoop]: Abstraction has 102 states and 133 transitions. [2024-11-23 02:50:35,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states and 133 transitions. [2024-11-23 02:50:35,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2024-11-23 02:50:35,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 102 states have (on average 1.303921568627451) internal successors, (133), 101 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) [2024-11-23 02:50:35,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 133 transitions. [2024-11-23 02:50:35,393 INFO L240 hiAutomatonCegarLoop]: Abstraction has 102 states and 133 transitions. [2024-11-23 02:50:35,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 02:50:35,401 INFO L425 stractBuchiCegarLoop]: Abstraction has 102 states and 133 transitions. [2024-11-23 02:50:35,403 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-23 02:50:35,403 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states and 133 transitions. [2024-11-23 02:50:35,406 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2024-11-23 02:50:35,409 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:50:35,409 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:50:35,410 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:50:35,410 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, 1] [2024-11-23 02:50:35,410 INFO L745 eck$LassoCheckResult]: Stem: 287#$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);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; 288#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1, main_~retValue_acc~8#1, main_~tmp~6#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 278#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 279#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~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 343#valid_product_returnLabel#1 main_#t~ret43#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret43#1;havoc main_#t~ret43#1; 250#L772 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 251#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 324#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 306#L430-2 [2024-11-23 02:50:35,410 INFO L747 eck$LassoCheckResult]: Loop: 306#L430-2 assume !false; 307#L431 assume test_~splverifierCounter~0#1 < 4; 336#L432 havoc test_#t~nondet27#1;test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 337#L440 assume !(0 != test_~tmp~3#1); 259#L440-2 havoc test_#t~nondet28#1;test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 344#L450 assume !(0 != test_~tmp___0~0#1); 274#L450-2 havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 275#L460 assume 0 != test_~tmp___2~0#1; 312#L466-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret49#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 331#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret49#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret49#1;havoc __utac_acc__Specification5_spec__2_#t~ret49#1; 330#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret49#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 289#L505 assume !(0 != ~pumpRunning~0); 291#L505-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 332#L537 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 325#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 253#L537-1 havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true; 339#L512-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~7#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 317#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret50#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7#1 := __utac_acc__Specification5_spec__3_#t~ret50#1;havoc __utac_acc__Specification5_spec__3_#t~ret50#1; 318#L917 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7#1); 256#L917-1 havoc __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 257#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 306#L430-2 [2024-11-23 02:50:35,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:50:35,410 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-23 02:50:35,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:50:35,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792153355] [2024-11-23 02:50:35,411 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 02:50:35,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:50:35,428 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 02:50:35,428 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 02:50:35,428 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:50:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:35,442 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:50:35,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:50:35,446 INFO L85 PathProgramCache]: Analyzing trace with hash 105668655, now seen corresponding path program 1 times [2024-11-23 02:50:35,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:50:35,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924230368] [2024-11-23 02:50:35,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:50:35,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:50:35,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:50:35,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:50:35,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 02:50:35,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924230368] [2024-11-23 02:50:35,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924230368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 02:50:35,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 02:50:35,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 02:50:35,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290347931] [2024-11-23 02:50:35,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 02:50:35,462 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-23 02:50:35,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 02:50:35,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 02:50:35,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 02:50:35,463 INFO L87 Difference]: Start difference. First operand 102 states and 133 transitions. cyclomatic complexity: 33 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2024-11-23 02:50:35,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 02:50:35,514 INFO L93 Difference]: Finished difference Result 163 states and 207 transitions. [2024-11-23 02:50:35,514 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 163 states and 207 transitions. [2024-11-23 02:50:35,516 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 114 [2024-11-23 02:50:35,517 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 163 states to 163 states and 207 transitions. [2024-11-23 02:50:35,517 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 163 [2024-11-23 02:50:35,517 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 163 [2024-11-23 02:50:35,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 163 states and 207 transitions. [2024-11-23 02:50:35,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 02:50:35,518 INFO L218 hiAutomatonCegarLoop]: Abstraction has 163 states and 207 transitions. [2024-11-23 02:50:35,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states and 207 transitions. [2024-11-23 02:50:35,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2024-11-23 02:50:35,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 163 states have (on average 1.2699386503067485) internal successors, (207), 162 states have internal predecessors, (207), 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) [2024-11-23 02:50:35,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 207 transitions. [2024-11-23 02:50:35,525 INFO L240 hiAutomatonCegarLoop]: Abstraction has 163 states and 207 transitions. [2024-11-23 02:50:35,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 02:50:35,526 INFO L425 stractBuchiCegarLoop]: Abstraction has 163 states and 207 transitions. [2024-11-23 02:50:35,526 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-23 02:50:35,526 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 163 states and 207 transitions. [2024-11-23 02:50:35,527 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 114 [2024-11-23 02:50:35,527 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:50:35,527 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:50:35,528 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:50:35,528 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:50:35,528 INFO L745 eck$LassoCheckResult]: Stem: 559#$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);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; 560#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1, main_~retValue_acc~8#1, main_~tmp~6#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 550#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 551#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~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 619#valid_product_returnLabel#1 main_#t~ret43#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret43#1;havoc main_#t~ret43#1; 521#L772 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 522#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 599#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 628#L430-2 [2024-11-23 02:50:35,528 INFO L747 eck$LassoCheckResult]: Loop: 628#L430-2 assume !false; 673#L431 assume test_~splverifierCounter~0#1 < 4; 672#L432 havoc test_#t~nondet27#1;test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 669#L440 assume !(0 != test_~tmp~3#1); 666#L440-2 havoc test_#t~nondet28#1;test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 664#L450 assume !(0 != test_~tmp___0~0#1); 662#L450-2 havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 639#L460 assume 0 != test_~tmp___2~0#1; 637#L466-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret49#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 636#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret49#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret49#1;havoc __utac_acc__Specification5_spec__2_#t~ret49#1; 635#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret49#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 561#L505 assume !(0 != ~pumpRunning~0); 562#L505-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 607#L537 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret41#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~5#1;havoc isHighWaterLevel_~tmp~5#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1; 608#L879 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; 544#isHighWaterSensorDry_returnLabel#1 isHighWaterLevel_#t~ret41#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5#1 := isHighWaterLevel_#t~ret41#1;havoc isHighWaterLevel_#t~ret41#1; 545#L639 assume 0 != isHighWaterLevel_~tmp~5#1;isHighWaterLevel_~tmp___0~1#1 := 0; 554#L639-2 isHighWaterLevel_~retValue_acc~5#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; 555#isHighWaterLevel_returnLabel#1 processEnvironment_#t~ret31#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret41#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~4#1 := processEnvironment_#t~ret31#1;havoc processEnvironment_#t~ret31#1; 604#L541 assume !(0 != processEnvironment_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 531#processEnvironment__wrappee__base_returnLabel#1 assume { :end_inline_processEnvironment__wrappee__base } true; 532#L537-1 havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true; 681#L512-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~7#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 680#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret50#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7#1 := __utac_acc__Specification5_spec__3_#t~ret50#1;havoc __utac_acc__Specification5_spec__3_#t~ret50#1; 676#L917 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7#1); 675#L917-1 havoc __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 674#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 628#L430-2 [2024-11-23 02:50:35,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:50:35,529 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2024-11-23 02:50:35,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:50:35,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212091594] [2024-11-23 02:50:35,529 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 02:50:35,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:50:35,540 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-23 02:50:35,542 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 02:50:35,542 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:50:35,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:35,554 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:50:35,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:50:35,558 INFO L85 PathProgramCache]: Analyzing trace with hash 511645239, now seen corresponding path program 1 times [2024-11-23 02:50:35,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:50:35,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238435998] [2024-11-23 02:50:35,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:50:35,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:50:35,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:50:35,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:50:35,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 02:50:35,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238435998] [2024-11-23 02:50:35,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238435998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 02:50:35,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 02:50:35,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 02:50:35,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189318622] [2024-11-23 02:50:35,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 02:50:35,636 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-23 02:50:35,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 02:50:35,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 02:50:35,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 02:50:35,639 INFO L87 Difference]: Start difference. First operand 163 states and 207 transitions. cyclomatic complexity: 46 Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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) [2024-11-23 02:50:35,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 02:50:35,753 INFO L93 Difference]: Finished difference Result 318 states and 400 transitions. [2024-11-23 02:50:35,753 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 318 states and 400 transitions. [2024-11-23 02:50:35,755 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 228 [2024-11-23 02:50:35,758 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 318 states to 318 states and 400 transitions. [2024-11-23 02:50:35,759 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 318 [2024-11-23 02:50:35,760 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 318 [2024-11-23 02:50:35,761 INFO L73 IsDeterministic]: Start isDeterministic. Operand 318 states and 400 transitions. [2024-11-23 02:50:35,762 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 02:50:35,763 INFO L218 hiAutomatonCegarLoop]: Abstraction has 318 states and 400 transitions. [2024-11-23 02:50:35,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states and 400 transitions. [2024-11-23 02:50:35,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 315. [2024-11-23 02:50:35,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 315 states have (on average 1.2507936507936508) internal successors, (394), 314 states have internal predecessors, (394), 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) [2024-11-23 02:50:35,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 394 transitions. [2024-11-23 02:50:35,792 INFO L240 hiAutomatonCegarLoop]: Abstraction has 315 states and 394 transitions. [2024-11-23 02:50:35,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 02:50:35,796 INFO L425 stractBuchiCegarLoop]: Abstraction has 315 states and 394 transitions. [2024-11-23 02:50:35,796 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-23 02:50:35,796 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 315 states and 394 transitions. [2024-11-23 02:50:35,797 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 226 [2024-11-23 02:50:35,797 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:50:35,797 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:50:35,798 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:50:35,798 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:50:35,798 INFO L745 eck$LassoCheckResult]: Stem: 1053#$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);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; 1054#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1, main_~retValue_acc~8#1, main_~tmp~6#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 1044#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1045#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~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 1126#valid_product_returnLabel#1 main_#t~ret43#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret43#1;havoc main_#t~ret43#1; 1014#L772 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 1015#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1100#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1144#L430-2 [2024-11-23 02:50:35,798 INFO L747 eck$LassoCheckResult]: Loop: 1144#L430-2 assume !false; 1260#L431 assume test_~splverifierCounter~0#1 < 4; 1263#L432 havoc test_#t~nondet27#1;test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 1131#L440 assume !(0 != test_~tmp~3#1); 1023#L440-2 havoc test_#t~nondet28#1;test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 1128#L450 assume !(0 != test_~tmp___0~0#1); 1040#L450-2 havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 1041#L460 assume 0 != test_~tmp___2~0#1; 1316#L466-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret49#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 1315#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret49#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret49#1;havoc __utac_acc__Specification5_spec__2_#t~ret49#1; 1314#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret49#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1299#L505 assume !(0 != ~pumpRunning~0); 1298#L505-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 1296#L537 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret41#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~5#1;havoc isHighWaterLevel_~tmp~5#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1; 1294#L879 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; 1120#isHighWaterSensorDry_returnLabel#1 isHighWaterLevel_#t~ret41#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5#1 := isHighWaterLevel_#t~ret41#1;havoc isHighWaterLevel_#t~ret41#1; 1292#L639 assume 0 != isHighWaterLevel_~tmp~5#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1290#L639-2 isHighWaterLevel_~retValue_acc~5#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; 1136#isHighWaterLevel_returnLabel#1 processEnvironment_#t~ret31#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret41#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~4#1 := processEnvironment_#t~ret31#1;havoc processEnvironment_#t~ret31#1; 1106#L541 assume !(0 != processEnvironment_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1024#processEnvironment__wrappee__base_returnLabel#1 assume { :end_inline_processEnvironment__wrappee__base } true; 1025#L537-1 havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true; 1122#L512-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~7#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 1091#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret50#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7#1 := __utac_acc__Specification5_spec__3_#t~ret50#1;havoc __utac_acc__Specification5_spec__3_#t~ret50#1; 1092#L917 assume 2 != __utac_acc__Specification5_spec__3_~tmp~7#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 1094#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret51#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 1095#L921 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1); 1020#L917-1 havoc __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1021#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1144#L430-2 [2024-11-23 02:50:35,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:50:35,799 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2024-11-23 02:50:35,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:50:35,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119018761] [2024-11-23 02:50:35,799 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 02:50:35,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:50:35,823 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 02:50:35,823 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 02:50:35,823 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:50:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:35,832 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:50:35,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:50:35,833 INFO L85 PathProgramCache]: Analyzing trace with hash 2043797874, now seen corresponding path program 1 times [2024-11-23 02:50:35,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:50:35,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965400397] [2024-11-23 02:50:35,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:50:35,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:50:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:35,844 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:50:35,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:35,851 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:50:35,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:50:35,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1344752855, now seen corresponding path program 1 times [2024-11-23 02:50:35,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:50:35,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878991116] [2024-11-23 02:50:35,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:50:35,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:50:35,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:35,866 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:50:35,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:35,885 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:50:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:36,592 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:50:36,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:36,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 02:50:36 BoogieIcfgContainer [2024-11-23 02:50:36,648 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-23 02:50:36,649 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 02:50:36,649 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 02:50:36,649 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 02:50:36,650 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:50:34" (3/4) ... [2024-11-23 02:50:36,652 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-23 02:50:36,710 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-23 02:50:36,712 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 02:50:36,712 INFO L158 Benchmark]: Toolchain (without parser) took 2902.92ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 129.7MB in the beginning and 95.7MB in the end (delta: 34.0MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-23 02:50:36,713 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 130.0MB. Free memory is still 93.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:50:36,713 INFO L158 Benchmark]: CACSL2BoogieTranslator took 391.25ms. Allocated memory is still 159.4MB. Free memory was 129.0MB in the beginning and 108.2MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-23 02:50:36,713 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.02ms. Allocated memory is still 159.4MB. Free memory was 108.2MB in the beginning and 105.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 02:50:36,713 INFO L158 Benchmark]: Boogie Preprocessor took 59.19ms. Allocated memory is still 159.4MB. Free memory was 105.5MB in the beginning and 102.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-23 02:50:36,713 INFO L158 Benchmark]: RCFGBuilder took 420.08ms. Allocated memory is still 159.4MB. Free memory was 102.7MB in the beginning and 81.0MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-23 02:50:36,713 INFO L158 Benchmark]: BuchiAutomizer took 1928.19ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 81.0MB in the beginning and 98.8MB in the end (delta: -17.8MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2024-11-23 02:50:36,714 INFO L158 Benchmark]: Witness Printer took 62.90ms. Allocated memory is still 192.9MB. Free memory was 98.8MB in the beginning and 95.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 02:50:36,715 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 130.0MB. Free memory is still 93.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 391.25ms. Allocated memory is still 159.4MB. Free memory was 129.0MB in the beginning and 108.2MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.02ms. Allocated memory is still 159.4MB. Free memory was 108.2MB in the beginning and 105.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.19ms. Allocated memory is still 159.4MB. Free memory was 105.5MB in the beginning and 102.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 420.08ms. Allocated memory is still 159.4MB. Free memory was 102.7MB in the beginning and 81.0MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 1928.19ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 81.0MB in the beginning and 98.8MB in the end (delta: -17.8MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * Witness Printer took 62.90ms. Allocated memory is still 192.9MB. Free memory was 98.8MB in the beginning and 95.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [415] - GenericResultAtLocation [Line: 484]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [484] - GenericResultAtLocation [Line: 649]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [649] - GenericResultAtLocation [Line: 687]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [687] - GenericResultAtLocation [Line: 785]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [785] - GenericResultAtLocation [Line: 794]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [794] - GenericResultAtLocation [Line: 889]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [889] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 315 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 362 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 362 mSDsluCounter, 1156 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 719 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 138 IncrementalHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 437 mSDtfsCounter, 138 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 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: 430]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L493] int pumpRunning = 0; [L494] int systemActive = 1; [L688] int cleanupTimeShifts = 4; [L796] int waterLevel = 1; [L797] int methaneLevelCritical = 0; [L890] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L763] int retValue_acc ; [L764] int tmp ; [L768] FCALL select_helpers() [L769] FCALL select_features() [L770] CALL, EXPR valid_product() [L679] int retValue_acc ; [L682] retValue_acc = 1 [L683] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L770] RET, EXPR valid_product() [L770] tmp = valid_product() [L772] COND TRUE \read(tmp) [L774] FCALL setup() [L775] CALL runTest() [L756] CALL __utac_acc__Specification5_spec__1() [L895] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L756] RET __utac_acc__Specification5_spec__1() [L757] CALL test() [L421] int splverifierCounter ; [L422] int tmp ; [L423] int tmp___0 ; [L424] int tmp___1 ; [L425] int tmp___2 ; [L428] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L430] COND TRUE 1 [L432] COND TRUE splverifierCounter < 4 [L438] tmp = __VERIFIER_nondet_int() [L440] COND FALSE !(\read(tmp)) [L448] tmp___0 = __VERIFIER_nondet_int() [L450] COND FALSE !(\read(tmp___0)) [L458] tmp___2 = __VERIFIER_nondet_int() [L460] COND TRUE \read(tmp___2) [L473] CALL timeShift() [L503] CALL __utac_acc__Specification5_spec__2() [L904] CALL, EXPR isPumpRunning() [L586] int retValue_acc ; [L589] retValue_acc = pumpRunning [L590] return (retValue_acc); [L904] RET, EXPR isPumpRunning() [L904] switchedOnBeforeTS = isPumpRunning() [L503] RET __utac_acc__Specification5_spec__2() [L505] COND FALSE !(\read(pumpRunning)) [L512] COND TRUE \read(systemActive) [L514] CALL processEnvironment() [L534] int tmp ; [L537] COND TRUE ! pumpRunning [L539] CALL, EXPR isHighWaterLevel() [L631] int retValue_acc ; [L632] int tmp ; [L633] int tmp___0 ; [L637] CALL, EXPR isHighWaterSensorDry() [L876] int retValue_acc ; [L879] COND TRUE waterLevel < 2 [L880] retValue_acc = 1 [L881] return (retValue_acc); [L637] RET, EXPR isHighWaterSensorDry() [L637] tmp = isHighWaterSensorDry() [L639] COND TRUE \read(tmp) [L640] tmp___0 = 0 [L644] retValue_acc = tmp___0 [L645] return (retValue_acc); [L539] RET, EXPR isHighWaterLevel() [L539] tmp = isHighWaterLevel() [L541] COND FALSE !(\read(tmp)) [L547] FCALL processEnvironment__wrappee__base() [L514] RET processEnvironment() [L520] CALL __utac_acc__Specification5_spec__3() [L910] int tmp ; [L911] int tmp___0 ; [L915] CALL, EXPR getWaterLevel() [L867] int retValue_acc ; [L870] retValue_acc = waterLevel [L871] return (retValue_acc); [L915] RET, EXPR getWaterLevel() [L915] tmp = getWaterLevel() [L917] COND TRUE tmp != 2 [L919] CALL, EXPR isPumpRunning() [L586] int retValue_acc ; [L589] retValue_acc = pumpRunning [L590] return (retValue_acc); [L919] RET, EXPR isPumpRunning() [L919] tmp___0 = isPumpRunning() [L921] COND FALSE !(\read(tmp___0)) [L520] RET __utac_acc__Specification5_spec__3() [L473] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 430]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L493] int pumpRunning = 0; [L494] int systemActive = 1; [L688] int cleanupTimeShifts = 4; [L796] int waterLevel = 1; [L797] int methaneLevelCritical = 0; [L890] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L763] int retValue_acc ; [L764] int tmp ; [L768] FCALL select_helpers() [L769] FCALL select_features() [L770] CALL, EXPR valid_product() [L679] int retValue_acc ; [L682] retValue_acc = 1 [L683] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L770] RET, EXPR valid_product() [L770] tmp = valid_product() [L772] COND TRUE \read(tmp) [L774] FCALL setup() [L775] CALL runTest() [L756] CALL __utac_acc__Specification5_spec__1() [L895] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L756] RET __utac_acc__Specification5_spec__1() [L757] CALL test() [L421] int splverifierCounter ; [L422] int tmp ; [L423] int tmp___0 ; [L424] int tmp___1 ; [L425] int tmp___2 ; [L428] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L430] COND TRUE 1 [L432] COND TRUE splverifierCounter < 4 [L438] tmp = __VERIFIER_nondet_int() [L440] COND FALSE !(\read(tmp)) [L448] tmp___0 = __VERIFIER_nondet_int() [L450] COND FALSE !(\read(tmp___0)) [L458] tmp___2 = __VERIFIER_nondet_int() [L460] COND TRUE \read(tmp___2) [L473] CALL timeShift() [L503] CALL __utac_acc__Specification5_spec__2() [L904] CALL, EXPR isPumpRunning() [L586] int retValue_acc ; [L589] retValue_acc = pumpRunning [L590] return (retValue_acc); [L904] RET, EXPR isPumpRunning() [L904] switchedOnBeforeTS = isPumpRunning() [L503] RET __utac_acc__Specification5_spec__2() [L505] COND FALSE !(\read(pumpRunning)) [L512] COND TRUE \read(systemActive) [L514] CALL processEnvironment() [L534] int tmp ; [L537] COND TRUE ! pumpRunning [L539] CALL, EXPR isHighWaterLevel() [L631] int retValue_acc ; [L632] int tmp ; [L633] int tmp___0 ; [L637] CALL, EXPR isHighWaterSensorDry() [L876] int retValue_acc ; [L879] COND TRUE waterLevel < 2 [L880] retValue_acc = 1 [L881] return (retValue_acc); [L637] RET, EXPR isHighWaterSensorDry() [L637] tmp = isHighWaterSensorDry() [L639] COND TRUE \read(tmp) [L640] tmp___0 = 0 [L644] retValue_acc = tmp___0 [L645] return (retValue_acc); [L539] RET, EXPR isHighWaterLevel() [L539] tmp = isHighWaterLevel() [L541] COND FALSE !(\read(tmp)) [L547] FCALL processEnvironment__wrappee__base() [L514] RET processEnvironment() [L520] CALL __utac_acc__Specification5_spec__3() [L910] int tmp ; [L911] int tmp___0 ; [L915] CALL, EXPR getWaterLevel() [L867] int retValue_acc ; [L870] retValue_acc = waterLevel [L871] return (retValue_acc); [L915] RET, EXPR getWaterLevel() [L915] tmp = getWaterLevel() [L917] COND TRUE tmp != 2 [L919] CALL, EXPR isPumpRunning() [L586] int retValue_acc ; [L589] retValue_acc = pumpRunning [L590] return (retValue_acc); [L919] RET, EXPR isPumpRunning() [L919] tmp___0 = isPumpRunning() [L921] COND FALSE !(\read(tmp___0)) [L520] RET __utac_acc__Specification5_spec__3() [L473] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-23 02:50:36,731 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)