./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product21.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_spec4_product21.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 daf06f15c6a50440fa28ebda61a14a306dbf33e7f2231abb8ab4ae318f81a0b9 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 02:49:41,305 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 02:49:41,388 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-23 02:49:41,398 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 02:49:41,398 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 02:49:41,425 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 02:49:41,426 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 02:49:41,426 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 02:49:41,427 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 02:49:41,428 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 02:49:41,428 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 02:49:41,429 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 02:49:41,429 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 02:49:41,431 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-23 02:49:41,432 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-23 02:49:41,432 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-23 02:49:41,432 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-23 02:49:41,432 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-23 02:49:41,433 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-23 02:49:41,433 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 02:49:41,437 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-23 02:49:41,437 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 02:49:41,438 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 02:49:41,438 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 02:49:41,438 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 02:49:41,438 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-23 02:49:41,439 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-23 02:49:41,439 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-23 02:49:41,439 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 02:49:41,439 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 02:49:41,440 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 02:49:41,440 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 02:49:41,440 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-23 02:49:41,440 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 02:49:41,441 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 02:49:41,441 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 02:49:41,441 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 02:49:41,442 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 02:49:41,442 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-23 02:49:41,442 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> daf06f15c6a50440fa28ebda61a14a306dbf33e7f2231abb8ab4ae318f81a0b9 [2024-11-23 02:49:41,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 02:49:41,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 02:49:41,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 02:49:41,747 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 02:49:41,747 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 02:49:41,749 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product21.cil.c [2024-11-23 02:49:43,185 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 02:49:43,429 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 02:49:43,430 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product21.cil.c [2024-11-23 02:49:43,449 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/046f37114/9d4543eca6844b3eb4c66ecc27dfcf6a/FLAG1987d9e1b [2024-11-23 02:49:43,467 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/046f37114/9d4543eca6844b3eb4c66ecc27dfcf6a [2024-11-23 02:49:43,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 02:49:43,471 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 02:49:43,474 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 02:49:43,474 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 02:49:43,481 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 02:49:43,482 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:49:43" (1/1) ... [2024-11-23 02:49:43,483 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@171d3292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:43, skipping insertion in model container [2024-11-23 02:49:43,483 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:49:43" (1/1) ... [2024-11-23 02:49:43,532 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 02:49:43,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 02:49:43,884 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 02:49:43,892 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2024-11-23 02:49:43,893 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [237] [2024-11-23 02:49:43,893 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [305] [2024-11-23 02:49:43,893 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [314] [2024-11-23 02:49:43,893 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [680] [2024-11-23 02:49:43,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [718] [2024-11-23 02:49:43,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [814] [2024-11-23 02:49:43,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [841] [2024-11-23 02:49:43,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 02:49:43,977 INFO L204 MainTranslator]: Completed translation [2024-11-23 02:49:43,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:43 WrapperNode [2024-11-23 02:49:43,978 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 02:49:43,979 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 02:49:43,979 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 02:49:43,979 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 02:49:43,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:43" (1/1) ... [2024-11-23 02:49:43,998 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:43" (1/1) ... [2024-11-23 02:49:44,026 INFO L138 Inliner]: procedures = 53, calls = 98, calls flagged for inlining = 51, calls inlined = 80, statements flattened = 507 [2024-11-23 02:49:44,027 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 02:49:44,027 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 02:49:44,027 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 02:49:44,027 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 02:49:44,037 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:43" (1/1) ... [2024-11-23 02:49:44,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:43" (1/1) ... [2024-11-23 02:49:44,041 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:43" (1/1) ... [2024-11-23 02:49:44,058 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 02:49:44,058 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:43" (1/1) ... [2024-11-23 02:49:44,058 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:43" (1/1) ... [2024-11-23 02:49:44,069 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:43" (1/1) ... [2024-11-23 02:49:44,077 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:43" (1/1) ... [2024-11-23 02:49:44,079 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:43" (1/1) ... [2024-11-23 02:49:44,081 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:43" (1/1) ... [2024-11-23 02:49:44,084 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 02:49:44,085 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 02:49:44,085 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 02:49:44,085 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 02:49:44,086 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:43" (1/1) ... [2024-11-23 02:49:44,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:49:44,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:49:44,120 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 02:49:44,125 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 02:49:44,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 02:49:44,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 02:49:44,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 02:49:44,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 02:49:44,260 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 02:49:44,264 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 02:49:44,671 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2024-11-23 02:49:44,671 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 02:49:44,690 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 02:49:44,690 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 02:49:44,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:49:44 BoogieIcfgContainer [2024-11-23 02:49:44,691 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 02:49:44,691 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-23 02:49:44,691 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-23 02:49:44,697 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-23 02:49:44,698 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:49:44,698 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 02:49:43" (1/3) ... [2024-11-23 02:49:44,700 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@215e8aa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:49:44, skipping insertion in model container [2024-11-23 02:49:44,700 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:49:44,700 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:43" (2/3) ... [2024-11-23 02:49:44,701 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@215e8aa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:49:44, skipping insertion in model container [2024-11-23 02:49:44,701 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:49:44,701 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:49:44" (3/3) ... [2024-11-23 02:49:44,703 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product21.cil.c [2024-11-23 02:49:44,763 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-23 02:49:44,763 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-23 02:49:44,764 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-23 02:49:44,764 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-23 02:49:44,764 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-23 02:49:44,764 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-23 02:49:44,764 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-23 02:49:44,765 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-23 02:49:44,769 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 153 states, 152 states have (on average 1.3421052631578947) internal successors, (204), 152 states have internal predecessors, (204), 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 02:49:44,789 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2024-11-23 02:49:44,789 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:49:44,790 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:49:44,795 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:49:44,795 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:49:44,795 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-23 02:49:44,796 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 153 states, 152 states have (on average 1.3421052631578947) internal successors, (204), 152 states have internal predecessors, (204), 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 02:49:44,803 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2024-11-23 02:49:44,803 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:49:44,804 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:49:44,804 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:49:44,805 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:49:44,808 INFO L745 eck$LassoCheckResult]: Stem: 28#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 38#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret44#1, main_~retValue_acc~8#1, main_~tmp~7#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 26#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 125#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; 100#valid_product_returnLabel#1true main_#t~ret44#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret44#1;havoc main_#t~ret44#1; 133#L801true assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 77#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 53#L251-2true [2024-11-23 02:49:44,809 INFO L747 eck$LassoCheckResult]: Loop: 53#L251-2true assume !false; 54#L252true assume test_~splverifierCounter~0#1 < 4; 96#L253true havoc test_#t~nondet16#1;test_~tmp~3#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 153#L261true assume !(0 != test_~tmp~3#1); 49#L261-2true havoc test_#t~nondet17#1;test_~tmp___0~1#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 30#L271true assume !(0 != test_~tmp___0~1#1); 91#L271-2true havoc test_#t~nondet18#1;test_~tmp___2~0#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 16#L281true assume 0 != test_~tmp___2~0#1; 110#L287-2true assume { :begin_inline_timeShift } true; 142#L67true assume !(0 != ~pumpRunning~0); 17#L67-2true assume !(0 != ~systemActive~0); 118#L74-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret45#1, __utac_acc__Specification4_spec__1_#t~ret46#1, __utac_acc__Specification4_spec__1_~tmp~8#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~8#1;havoc __utac_acc__Specification4_spec__1_~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; 65#getWaterLevel_returnLabel#1true __utac_acc__Specification4_spec__1_#t~ret45#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~8#1 := __utac_acc__Specification4_spec__1_#t~ret45#1;havoc __utac_acc__Specification4_spec__1_#t~ret45#1; 120#L824true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8#1); 147#L824-1true havoc __utac_acc__Specification4_spec__1_#t~ret45#1, __utac_acc__Specification4_spec__1_#t~ret46#1, __utac_acc__Specification4_spec__1_~tmp~8#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 66#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 53#L251-2true [2024-11-23 02:49:44,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:49:44,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-23 02:49:44,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:49:44,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137757574] [2024-11-23 02:49:44,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:49:44,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:49:44,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:49:44,917 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:49:44,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:49:44,963 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:49:44,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:49:44,967 INFO L85 PathProgramCache]: Analyzing trace with hash 679872070, now seen corresponding path program 1 times [2024-11-23 02:49:44,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:49:44,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133886263] [2024-11-23 02:49:44,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:49:44,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:49:44,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:49:44,985 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:49:44,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:49:45,000 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:49:45,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:49:45,006 INFO L85 PathProgramCache]: Analyzing trace with hash 2035291146, now seen corresponding path program 1 times [2024-11-23 02:49:45,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:49:45,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516624509] [2024-11-23 02:49:45,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:49:45,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:49:45,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:49:45,234 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 02:49:45,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 02:49:45,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516624509] [2024-11-23 02:49:45,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516624509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 02:49:45,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 02:49:45,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 02:49:45,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722537993] [2024-11-23 02:49:45,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 02:49:45,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 02:49:45,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 02:49:45,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 02:49:45,395 INFO L87 Difference]: Start difference. First operand has 153 states, 152 states have (on average 1.3421052631578947) internal successors, (204), 152 states have internal predecessors, (204), 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 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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 02:49:45,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 02:49:45,514 INFO L93 Difference]: Finished difference Result 147 states and 187 transitions. [2024-11-23 02:49:45,516 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 147 states and 187 transitions. [2024-11-23 02:49:45,521 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 92 [2024-11-23 02:49:45,527 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 147 states to 137 states and 177 transitions. [2024-11-23 02:49:45,528 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 137 [2024-11-23 02:49:45,529 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 137 [2024-11-23 02:49:45,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 137 states and 177 transitions. [2024-11-23 02:49:45,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 02:49:45,532 INFO L218 hiAutomatonCegarLoop]: Abstraction has 137 states and 177 transitions. [2024-11-23 02:49:45,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states and 177 transitions. [2024-11-23 02:49:45,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2024-11-23 02:49:45,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 137 states have (on average 1.2919708029197081) internal successors, (177), 136 states have internal predecessors, (177), 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 02:49:45,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 177 transitions. [2024-11-23 02:49:45,568 INFO L240 hiAutomatonCegarLoop]: Abstraction has 137 states and 177 transitions. [2024-11-23 02:49:45,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 02:49:45,574 INFO L425 stractBuchiCegarLoop]: Abstraction has 137 states and 177 transitions. [2024-11-23 02:49:45,574 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-23 02:49:45,574 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 137 states and 177 transitions. [2024-11-23 02:49:45,576 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 92 [2024-11-23 02:49:45,576 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:49:45,577 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:49:45,577 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:49:45,577 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 02:49:45,578 INFO L745 eck$LassoCheckResult]: Stem: 360#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 361#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret44#1, main_~retValue_acc~8#1, main_~tmp~7#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 358#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 359#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; 435#valid_product_returnLabel#1 main_#t~ret44#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret44#1;havoc main_#t~ret44#1; 436#L801 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 416#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 391#L251-2 [2024-11-23 02:49:45,578 INFO L747 eck$LassoCheckResult]: Loop: 391#L251-2 assume !false; 392#L252 assume test_~splverifierCounter~0#1 < 4; 393#L253 havoc test_#t~nondet16#1;test_~tmp~3#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 432#L261 assume !(0 != test_~tmp~3#1); 389#L261-2 havoc test_#t~nondet17#1;test_~tmp___0~1#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 364#L271 assume !(0 != test_~tmp___0~1#1); 366#L271-2 havoc test_#t~nondet18#1;test_~tmp___2~0#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 337#L281 assume 0 != test_~tmp___2~0#1; 339#L287-2 assume { :begin_inline_timeShift } true; 442#L67 assume !(0 != ~pumpRunning~0); 340#L67-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 341#L125 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret4#1, processEnvironment__wrappee__lowWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~0#1; 433#L99-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 318#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 319#L99-3 havoc processEnvironment__wrappee__lowWaterSensor_#t~ret4#1, processEnvironment__wrappee__lowWaterSensor_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 349#L125-1 havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 350#L74-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret45#1, __utac_acc__Specification4_spec__1_#t~ret46#1, __utac_acc__Specification4_spec__1_~tmp~8#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~8#1;havoc __utac_acc__Specification4_spec__1_~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; 406#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret45#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~8#1 := __utac_acc__Specification4_spec__1_#t~ret45#1;havoc __utac_acc__Specification4_spec__1_#t~ret45#1; 407#L824 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8#1); 445#L824-1 havoc __utac_acc__Specification4_spec__1_#t~ret45#1, __utac_acc__Specification4_spec__1_#t~ret46#1, __utac_acc__Specification4_spec__1_~tmp~8#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 405#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 391#L251-2 [2024-11-23 02:49:45,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:49:45,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-23 02:49:45,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:49:45,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591602951] [2024-11-23 02:49:45,580 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 02:49:45,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:49:45,591 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 02:49:45,591 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 02:49:45,591 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:49:45,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:49:45,608 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:49:45,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:49:45,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1867517312, now seen corresponding path program 1 times [2024-11-23 02:49:45,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:49:45,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584444164] [2024-11-23 02:49:45,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:49:45,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:49:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:49:45,628 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:49:45,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:49:45,637 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:49:45,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:49:45,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1415848132, now seen corresponding path program 1 times [2024-11-23 02:49:45,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:49:45,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905664646] [2024-11-23 02:49:45,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:49:45,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:49:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:49:45,660 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:49:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:49:45,673 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:49:46,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:49:46,525 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:49:46,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:49:46,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 02:49:46 BoogieIcfgContainer [2024-11-23 02:49:46,610 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-23 02:49:46,611 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 02:49:46,611 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 02:49:46,611 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 02:49:46,612 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:49:44" (3/4) ... [2024-11-23 02:49:46,616 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-23 02:49:46,667 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-23 02:49:46,667 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 02:49:46,668 INFO L158 Benchmark]: Toolchain (without parser) took 3196.19ms. Allocated memory was 182.5MB in the beginning and 232.8MB in the end (delta: 50.3MB). Free memory was 109.0MB in the beginning and 192.7MB in the end (delta: -83.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:49:46,668 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 182.5MB. Free memory is still 139.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:49:46,668 INFO L158 Benchmark]: CACSL2BoogieTranslator took 504.28ms. Allocated memory is still 182.5MB. Free memory was 108.8MB in the beginning and 139.3MB in the end (delta: -30.4MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2024-11-23 02:49:46,669 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.06ms. Allocated memory is still 182.5MB. Free memory was 139.3MB in the beginning and 136.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-23 02:49:46,669 INFO L158 Benchmark]: Boogie Preprocessor took 56.72ms. Allocated memory is still 182.5MB. Free memory was 136.1MB in the beginning and 133.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 02:49:46,669 INFO L158 Benchmark]: RCFGBuilder took 605.73ms. Allocated memory is still 182.5MB. Free memory was 133.0MB in the beginning and 105.7MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-23 02:49:46,670 INFO L158 Benchmark]: BuchiAutomizer took 1919.13ms. Allocated memory was 182.5MB in the beginning and 232.8MB in the end (delta: 50.3MB). Free memory was 105.7MB in the beginning and 194.8MB in the end (delta: -89.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:49:46,670 INFO L158 Benchmark]: Witness Printer took 56.05ms. Allocated memory is still 232.8MB. Free memory was 194.8MB in the beginning and 192.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 02:49:46,673 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 182.5MB. Free memory is still 139.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 504.28ms. Allocated memory is still 182.5MB. Free memory was 108.8MB in the beginning and 139.3MB in the end (delta: -30.4MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.06ms. Allocated memory is still 182.5MB. Free memory was 139.3MB in the beginning and 136.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.72ms. Allocated memory is still 182.5MB. Free memory was 136.1MB in the beginning and 133.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 605.73ms. Allocated memory is still 182.5MB. Free memory was 133.0MB in the beginning and 105.7MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 1919.13ms. Allocated memory was 182.5MB in the beginning and 232.8MB in the end (delta: 50.3MB). Free memory was 105.7MB in the beginning and 194.8MB in the end (delta: -89.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 56.05ms. Allocated memory is still 232.8MB. Free memory was 194.8MB in the beginning and 192.7MB in the end (delta: 2.1MB). 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,"MinePump.i","") [49] - GenericResultAtLocation [Line: 237]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [237] - GenericResultAtLocation [Line: 305]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [305] - GenericResultAtLocation [Line: 314]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [314] - GenericResultAtLocation [Line: 680]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [680] - GenericResultAtLocation [Line: 718]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [718] - GenericResultAtLocation [Line: 814]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [814] - GenericResultAtLocation [Line: 841]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [841] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 137 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 358 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 358 mSDsluCounter, 541 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 359 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 182 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 251]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L59] int pumpRunning = 0; [L60] int systemActive = 1; [L484] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L719] int cleanupTimeShifts = 4; [L842] int waterLevel = 1; [L843] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L792] int retValue_acc ; [L793] int tmp ; [L797] FCALL select_helpers() [L798] FCALL select_features() [L799] CALL, EXPR valid_product() [L710] int retValue_acc ; [L713] retValue_acc = 1 [L714] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L799] RET, EXPR valid_product() [L799] tmp = valid_product() [L801] COND TRUE \read(tmp) [L803] FCALL setup() [L804] CALL runTest() [L786] CALL test() [L242] int splverifierCounter ; [L243] int tmp ; [L244] int tmp___0 ; [L245] int tmp___1 ; [L246] int tmp___2 ; [L249] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L251] COND TRUE 1 [L253] COND TRUE splverifierCounter < 4 [L259] tmp = __VERIFIER_nondet_int() [L261] COND FALSE !(\read(tmp)) [L269] tmp___0 = __VERIFIER_nondet_int() [L271] COND FALSE !(\read(tmp___0)) [L279] tmp___2 = __VERIFIER_nondet_int() [L281] COND TRUE \read(tmp___2) [L294] CALL timeShift() [L67] COND FALSE !(\read(pumpRunning)) [L74] COND TRUE \read(systemActive) [L76] CALL processEnvironment() [L122] int tmp ; [L125] COND FALSE !(\read(pumpRunning)) [L140] CALL processEnvironment__wrappee__lowWaterSensor() [L96] int tmp ; [L99] COND FALSE !(\read(pumpRunning)) [L114] FCALL processEnvironment__wrappee__base() [L140] RET processEnvironment__wrappee__lowWaterSensor() [L76] RET processEnvironment() [L82] CALL __utac_acc__Specification4_spec__1() [L817] int tmp ; [L818] int tmp___0 ; [L822] CALL, EXPR getWaterLevel() [L913] int retValue_acc ; [L916] retValue_acc = waterLevel [L917] return (retValue_acc); [L822] RET, EXPR getWaterLevel() [L822] tmp = getWaterLevel() [L824] COND FALSE !(tmp == 0) [L82] RET __utac_acc__Specification4_spec__1() [L294] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 251]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L59] int pumpRunning = 0; [L60] int systemActive = 1; [L484] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L719] int cleanupTimeShifts = 4; [L842] int waterLevel = 1; [L843] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L792] int retValue_acc ; [L793] int tmp ; [L797] FCALL select_helpers() [L798] FCALL select_features() [L799] CALL, EXPR valid_product() [L710] int retValue_acc ; [L713] retValue_acc = 1 [L714] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L799] RET, EXPR valid_product() [L799] tmp = valid_product() [L801] COND TRUE \read(tmp) [L803] FCALL setup() [L804] CALL runTest() [L786] CALL test() [L242] int splverifierCounter ; [L243] int tmp ; [L244] int tmp___0 ; [L245] int tmp___1 ; [L246] int tmp___2 ; [L249] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L251] COND TRUE 1 [L253] COND TRUE splverifierCounter < 4 [L259] tmp = __VERIFIER_nondet_int() [L261] COND FALSE !(\read(tmp)) [L269] tmp___0 = __VERIFIER_nondet_int() [L271] COND FALSE !(\read(tmp___0)) [L279] tmp___2 = __VERIFIER_nondet_int() [L281] COND TRUE \read(tmp___2) [L294] CALL timeShift() [L67] COND FALSE !(\read(pumpRunning)) [L74] COND TRUE \read(systemActive) [L76] CALL processEnvironment() [L122] int tmp ; [L125] COND FALSE !(\read(pumpRunning)) [L140] CALL processEnvironment__wrappee__lowWaterSensor() [L96] int tmp ; [L99] COND FALSE !(\read(pumpRunning)) [L114] FCALL processEnvironment__wrappee__base() [L140] RET processEnvironment__wrappee__lowWaterSensor() [L76] RET processEnvironment() [L82] CALL __utac_acc__Specification4_spec__1() [L817] int tmp ; [L818] int tmp___0 ; [L822] CALL, EXPR getWaterLevel() [L913] int retValue_acc ; [L916] retValue_acc = waterLevel [L917] return (retValue_acc); [L822] RET, EXPR getWaterLevel() [L822] tmp = getWaterLevel() [L824] COND FALSE !(tmp == 0) [L82] RET __utac_acc__Specification4_spec__1() [L294] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-23 02:49:46,689 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)