./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product27.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_product27.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 d20064856c358ac34c15406fcd734cb6b5694fad7d43f4bd7014ec1cea8e62ba --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 02:50:26,059 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 02:50:26,131 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-23 02:50:26,136 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 02:50:26,137 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 02:50:26,168 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 02:50:26,169 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 02:50:26,169 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 02:50:26,170 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 02:50:26,171 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 02:50:26,172 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 02:50:26,172 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 02:50:26,172 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 02:50:26,172 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-23 02:50:26,174 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-23 02:50:26,174 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-23 02:50:26,174 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-23 02:50:26,174 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-23 02:50:26,175 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-23 02:50:26,175 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 02:50:26,175 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-23 02:50:26,175 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 02:50:26,178 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 02:50:26,178 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 02:50:26,178 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 02:50:26,178 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-23 02:50:26,178 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-23 02:50:26,178 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-23 02:50:26,178 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 02:50:26,179 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 02:50:26,179 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 02:50:26,179 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 02:50:26,179 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-23 02:50:26,179 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 02:50:26,179 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 02:50:26,179 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 02:50:26,179 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 02:50:26,180 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 02:50:26,180 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-23 02:50:26,180 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d20064856c358ac34c15406fcd734cb6b5694fad7d43f4bd7014ec1cea8e62ba [2024-11-23 02:50:26,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 02:50:26,396 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 02:50:26,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 02:50:26,399 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 02:50:26,399 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 02:50:26,400 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c [2024-11-23 02:50:27,638 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 02:50:27,851 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 02:50:27,853 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c [2024-11-23 02:50:27,870 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddec3fe8c/dbd07362b8c742d78f78e7765c04bdb1/FLAGa1f9d5b61 [2024-11-23 02:50:28,193 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddec3fe8c/dbd07362b8c742d78f78e7765c04bdb1 [2024-11-23 02:50:28,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 02:50:28,196 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 02:50:28,197 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 02:50:28,198 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 02:50:28,202 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 02:50:28,203 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:50:28" (1/1) ... [2024-11-23 02:50:28,203 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a09e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:28, skipping insertion in model container [2024-11-23 02:50:28,204 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:50:28" (1/1) ... [2024-11-23 02:50:28,241 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 02:50:28,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 02:50:28,451 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 02:50:28,459 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-23 02:50:28,460 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [87] [2024-11-23 02:50:28,461 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [139] [2024-11-23 02:50:28,461 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [505] [2024-11-23 02:50:28,461 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [600] [2024-11-23 02:50:28,461 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [609] [2024-11-23 02:50:28,462 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [709] [2024-11-23 02:50:28,462 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [777] [2024-11-23 02:50:28,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 02:50:28,532 INFO L204 MainTranslator]: Completed translation [2024-11-23 02:50:28,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:28 WrapperNode [2024-11-23 02:50:28,533 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 02:50:28,533 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 02:50:28,534 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 02:50:28,534 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 02:50:28,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:28" (1/1) ... [2024-11-23 02:50:28,548 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:28" (1/1) ... [2024-11-23 02:50:28,571 INFO L138 Inliner]: procedures = 56, calls = 101, calls flagged for inlining = 54, calls inlined = 59, statements flattened = 374 [2024-11-23 02:50:28,572 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 02:50:28,572 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 02:50:28,572 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 02:50:28,572 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 02:50:28,584 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:28" (1/1) ... [2024-11-23 02:50:28,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:28" (1/1) ... [2024-11-23 02:50:28,587 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:28" (1/1) ... [2024-11-23 02:50:28,598 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 02:50:28,598 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:28" (1/1) ... [2024-11-23 02:50:28,598 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:28" (1/1) ... [2024-11-23 02:50:28,605 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:28" (1/1) ... [2024-11-23 02:50:28,610 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:28" (1/1) ... [2024-11-23 02:50:28,611 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:28" (1/1) ... [2024-11-23 02:50:28,612 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:28" (1/1) ... [2024-11-23 02:50:28,614 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 02:50:28,615 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 02:50:28,616 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 02:50:28,616 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 02:50:28,616 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:28" (1/1) ... [2024-11-23 02:50:28,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:50:28,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:50:28,654 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 02:50:28,656 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 02:50:28,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 02:50:28,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 02:50:28,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 02:50:28,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 02:50:28,759 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 02:50:28,762 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 02:50:29,060 INFO L? ?]: Removed 76 outVars from TransFormulas that were not future-live. [2024-11-23 02:50:29,060 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 02:50:29,074 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 02:50:29,074 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 02:50:29,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:50:29 BoogieIcfgContainer [2024-11-23 02:50:29,074 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 02:50:29,075 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-23 02:50:29,075 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-23 02:50:29,078 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-23 02:50:29,078 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:50:29,078 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 02:50:28" (1/3) ... [2024-11-23 02:50:29,079 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@254a1e97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:50:29, skipping insertion in model container [2024-11-23 02:50:29,079 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:50:29,079 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:28" (2/3) ... [2024-11-23 02:50:29,079 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@254a1e97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:50:29, skipping insertion in model container [2024-11-23 02:50:29,079 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:50:29,080 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:50:29" (3/3) ... [2024-11-23 02:50:29,081 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product27.cil.c [2024-11-23 02:50:29,121 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-23 02:50:29,121 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-23 02:50:29,122 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-23 02:50:29,122 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-23 02:50:29,122 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-23 02:50:29,122 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-23 02:50:29,122 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-23 02:50:29,122 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-23 02:50:29,125 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 119 states, 118 states have (on average 1.347457627118644) internal successors, (159), 118 states have internal predecessors, (159), 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 02:50:29,141 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 76 [2024-11-23 02:50:29,141 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:50:29,141 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:50:29,146 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:50:29,147 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 02:50:29,147 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-23 02:50:29,147 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 119 states, 118 states have (on average 1.347457627118644) internal successors, (159), 118 states have internal predecessors, (159), 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 02:50:29,151 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 76 [2024-11-23 02:50:29,151 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:50:29,151 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:50:29,152 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:50:29,152 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 02:50:29,156 INFO L745 eck$LassoCheckResult]: Stem: 21#$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);~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 30#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret36#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 19#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 102#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 93#valid_product_returnLabel#1true main_#t~ret36#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret36#1;havoc main_#t~ret36#1; 41#L696true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 73#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; 109#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 79#L721-2true [2024-11-23 02:50:29,157 INFO L747 eck$LassoCheckResult]: Loop: 79#L721-2true assume !false; 63#L722true assume test_~splverifierCounter~0#1 < 4; 119#L723true havoc test_#t~nondet37#1;test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 97#L731true assume !(0 != test_~tmp~5#1); 4#L731-2true havoc test_#t~nondet38#1;test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 113#L741true assume !(0 != test_~tmp___0~1#1); 80#L741-2true havoc test_#t~nondet39#1;test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 16#L751true assume 0 != test_~tmp___2~0#1; 53#L757-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret5#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; 107#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret5#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret5#1;havoc __utac_acc__Specification5_spec__2_#t~ret5#1; 85#__utac_acc__Specification5_spec__2_returnLabel#1true havoc __utac_acc__Specification5_spec__2_#t~ret5#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 75#L790true assume !(0 != ~pumpRunning~0); 90#L790-2true assume !(0 != ~systemActive~0); 89#L797-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_#t~ret7#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 64#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret6#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1; 96#L118true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1); 51#L118-1true havoc __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_#t~ret7#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 65#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 79#L721-2true [2024-11-23 02:50:29,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:50:29,162 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-23 02:50:29,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:50:29,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983186819] [2024-11-23 02:50:29,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:50:29,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:50:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:29,260 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:50:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:29,290 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:50:29,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:50:29,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1155605490, now seen corresponding path program 1 times [2024-11-23 02:50:29,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:50:29,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855076632] [2024-11-23 02:50:29,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:50:29,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:50:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:29,300 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:50:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:29,309 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:50:29,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:50:29,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1800009399, now seen corresponding path program 1 times [2024-11-23 02:50:29,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:50:29,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396279140] [2024-11-23 02:50:29,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:50:29,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:50:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:50:29,565 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 02:50:29,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 02:50:29,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396279140] [2024-11-23 02:50:29,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396279140] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 02:50:29,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 02:50:29,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 02:50:29,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199147459] [2024-11-23 02:50:29,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 02:50:29,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 02:50:29,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 02:50:29,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 02:50:29,702 INFO L87 Difference]: Start difference. First operand has 119 states, 118 states have (on average 1.347457627118644) internal successors, (159), 118 states have internal predecessors, (159), 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 02:50:29,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 02:50:29,795 INFO L93 Difference]: Finished difference Result 291 states and 372 transitions. [2024-11-23 02:50:29,797 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 291 states and 372 transitions. [2024-11-23 02:50:29,803 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 185 [2024-11-23 02:50:29,809 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 291 states to 261 states and 342 transitions. [2024-11-23 02:50:29,810 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 261 [2024-11-23 02:50:29,811 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 261 [2024-11-23 02:50:29,811 INFO L73 IsDeterministic]: Start isDeterministic. Operand 261 states and 342 transitions. [2024-11-23 02:50:29,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 02:50:29,813 INFO L218 hiAutomatonCegarLoop]: Abstraction has 261 states and 342 transitions. [2024-11-23 02:50:29,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states and 342 transitions. [2024-11-23 02:50:29,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 164. [2024-11-23 02:50:29,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 164 states have (on average 1.3109756097560976) internal successors, (215), 163 states have internal predecessors, (215), 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 02:50:29,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 215 transitions. [2024-11-23 02:50:29,843 INFO L240 hiAutomatonCegarLoop]: Abstraction has 164 states and 215 transitions. [2024-11-23 02:50:29,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 02:50:29,847 INFO L425 stractBuchiCegarLoop]: Abstraction has 164 states and 215 transitions. [2024-11-23 02:50:29,848 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-23 02:50:29,848 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 164 states and 215 transitions. [2024-11-23 02:50:29,849 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 116 [2024-11-23 02:50:29,849 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:50:29,849 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:50:29,850 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:50:29,850 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 02:50:29,850 INFO L745 eck$LassoCheckResult]: Stem: 456#$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);~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 457#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret36#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 454#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 455#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 523#valid_product_returnLabel#1 main_#t~ret36#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret36#1;havoc main_#t~ret36#1; 480#L696 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 481#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; 511#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 505#L721-2 [2024-11-23 02:50:29,851 INFO L747 eck$LassoCheckResult]: Loop: 505#L721-2 assume !false; 501#L722 assume test_~splverifierCounter~0#1 < 4; 502#L723 havoc test_#t~nondet37#1;test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 525#L731 assume !(0 != test_~tmp~5#1); 430#L731-2 havoc test_#t~nondet38#1;test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 431#L741 assume !(0 != test_~tmp___0~1#1); 516#L741-2 havoc test_#t~nondet39#1;test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 447#L751 assume 0 != test_~tmp___2~0#1; 448#L757-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret5#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; 493#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret5#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret5#1;havoc __utac_acc__Specification5_spec__2_#t~ret5#1; 518#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret5#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 512#L790 assume !(0 != ~pumpRunning~0); 513#L790-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 517#L822 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 514#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 442#L822-1 havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 522#L797-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_#t~ret7#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 503#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret6#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1; 504#L118 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1); 451#L118-1 havoc __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_#t~ret7#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 490#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 505#L721-2 [2024-11-23 02:50:29,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:50:29,851 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-23 02:50:29,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:50:29,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982031861] [2024-11-23 02:50:29,852 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 02:50:29,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:50:29,867 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 02:50:29,867 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 02:50:29,867 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:50:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:29,876 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:50:29,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:50:29,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1782778502, now seen corresponding path program 1 times [2024-11-23 02:50:29,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:50:29,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276938596] [2024-11-23 02:50:29,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:50:29,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:50:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:29,885 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:50:29,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:29,891 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:50:29,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:50:29,897 INFO L85 PathProgramCache]: Analyzing trace with hash 2110811697, now seen corresponding path program 1 times [2024-11-23 02:50:29,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:50:29,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249939862] [2024-11-23 02:50:29,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:50:29,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:50:29,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:50:30,010 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 02:50:30,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 02:50:30,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249939862] [2024-11-23 02:50:30,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249939862] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 02:50:30,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 02:50:30,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 02:50:30,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812182586] [2024-11-23 02:50:30,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 02:50:30,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 02:50:30,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 02:50:30,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 02:50:30,061 INFO L87 Difference]: Start difference. First operand 164 states and 215 transitions. cyclomatic complexity: 54 Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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 02:50:30,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 02:50:30,162 INFO L93 Difference]: Finished difference Result 320 states and 416 transitions. [2024-11-23 02:50:30,162 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 320 states and 416 transitions. [2024-11-23 02:50:30,164 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 232 [2024-11-23 02:50:30,170 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 320 states to 320 states and 416 transitions. [2024-11-23 02:50:30,172 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 320 [2024-11-23 02:50:30,172 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 320 [2024-11-23 02:50:30,173 INFO L73 IsDeterministic]: Start isDeterministic. Operand 320 states and 416 transitions. [2024-11-23 02:50:30,174 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 02:50:30,176 INFO L218 hiAutomatonCegarLoop]: Abstraction has 320 states and 416 transitions. [2024-11-23 02:50:30,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states and 416 transitions. [2024-11-23 02:50:30,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 314. [2024-11-23 02:50:30,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 314 states have (on average 1.286624203821656) internal successors, (404), 313 states have internal predecessors, (404), 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 02:50:30,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 404 transitions. [2024-11-23 02:50:30,192 INFO L240 hiAutomatonCegarLoop]: Abstraction has 314 states and 404 transitions. [2024-11-23 02:50:30,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 02:50:30,194 INFO L425 stractBuchiCegarLoop]: Abstraction has 314 states and 404 transitions. [2024-11-23 02:50:30,196 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-23 02:50:30,196 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 314 states and 404 transitions. [2024-11-23 02:50:30,197 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 228 [2024-11-23 02:50:30,199 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:50:30,199 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:50:30,199 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:50:30,200 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] [2024-11-23 02:50:30,200 INFO L745 eck$LassoCheckResult]: Stem: 955#$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);~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 956#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret36#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 953#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 954#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 1039#valid_product_returnLabel#1 main_#t~ret36#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret36#1;havoc main_#t~ret36#1; 985#L696 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 986#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; 1024#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1049#L721-2 [2024-11-23 02:50:30,201 INFO L747 eck$LassoCheckResult]: Loop: 1049#L721-2 assume !false; 1135#L722 assume test_~splverifierCounter~0#1 < 4; 1133#L723 havoc test_#t~nondet37#1;test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 1130#L731 assume !(0 != test_~tmp~5#1); 1127#L731-2 havoc test_#t~nondet38#1;test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 1123#L741 assume !(0 != test_~tmp___0~1#1); 1118#L741-2 havoc test_#t~nondet39#1;test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 1116#L751 assume 0 != test_~tmp___2~0#1; 1115#L757-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret5#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; 1162#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret5#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret5#1;havoc __utac_acc__Specification5_spec__2_#t~ret5#1; 1161#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret5#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1160#L790 assume !(0 != ~pumpRunning~0); 1159#L790-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 1068#L822 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1152#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 1150#L822-1 havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 1149#L797-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_#t~ret7#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 1148#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret6#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1; 1147#L118 assume 2 != __utac_acc__Specification5_spec__3_~tmp~0#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; 1146#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret7#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret7#1;havoc __utac_acc__Specification5_spec__3_#t~ret7#1; 1144#L122 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1); 1141#L118-1 havoc __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_#t~ret7#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1139#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1049#L721-2 [2024-11-23 02:50:30,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:50:30,202 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2024-11-23 02:50:30,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:50:30,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14813973] [2024-11-23 02:50:30,203 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 02:50:30,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:50:30,210 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-23 02:50:30,214 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 02:50:30,215 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:50:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:30,223 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:50:30,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:50:30,224 INFO L85 PathProgramCache]: Analyzing trace with hash 420805813, now seen corresponding path program 1 times [2024-11-23 02:50:30,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:50:30,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174413860] [2024-11-23 02:50:30,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:50:30,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:50:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:30,230 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:50:30,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:30,233 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:50:30,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:50:30,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1244472236, now seen corresponding path program 1 times [2024-11-23 02:50:30,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:50:30,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517645684] [2024-11-23 02:50:30,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:50:30,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:50:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:30,242 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:50:30,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:30,255 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:50:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:30,934 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:50:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:50:30,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 02:50:30 BoogieIcfgContainer [2024-11-23 02:50:30,996 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-23 02:50:30,997 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 02:50:30,997 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 02:50:30,998 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 02:50:30,998 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:50:29" (3/4) ... [2024-11-23 02:50:31,000 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-23 02:50:31,050 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-23 02:50:31,050 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 02:50:31,051 INFO L158 Benchmark]: Toolchain (without parser) took 2854.40ms. Allocated memory was 190.8MB in the beginning and 230.7MB in the end (delta: 39.8MB). Free memory was 159.4MB in the beginning and 170.6MB in the end (delta: -11.2MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2024-11-23 02:50:31,053 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 130.0MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:50:31,053 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.04ms. Allocated memory is still 190.8MB. Free memory was 159.2MB in the beginning and 141.5MB in the end (delta: 17.7MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2024-11-23 02:50:31,053 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.31ms. Allocated memory is still 190.8MB. Free memory was 141.5MB in the beginning and 138.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-23 02:50:31,053 INFO L158 Benchmark]: Boogie Preprocessor took 42.18ms. Allocated memory is still 190.8MB. Free memory was 138.5MB in the beginning and 135.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 02:50:31,054 INFO L158 Benchmark]: RCFGBuilder took 458.81ms. Allocated memory is still 190.8MB. Free memory was 135.7MB in the beginning and 114.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-23 02:50:31,054 INFO L158 Benchmark]: BuchiAutomizer took 1921.38ms. Allocated memory was 190.8MB in the beginning and 230.7MB in the end (delta: 39.8MB). Free memory was 114.7MB in the beginning and 173.7MB in the end (delta: -58.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:50:31,054 INFO L158 Benchmark]: Witness Printer took 53.34ms. Allocated memory is still 230.7MB. Free memory was 173.7MB in the beginning and 170.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 02:50:31,055 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 130.0MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 336.04ms. Allocated memory is still 190.8MB. Free memory was 159.2MB in the beginning and 141.5MB in the end (delta: 17.7MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.31ms. Allocated memory is still 190.8MB. Free memory was 141.5MB in the beginning and 138.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.18ms. Allocated memory is still 190.8MB. Free memory was 138.5MB in the beginning and 135.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 458.81ms. Allocated memory is still 190.8MB. Free memory was 135.7MB in the beginning and 114.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 1921.38ms. Allocated memory was 190.8MB in the beginning and 230.7MB in the end (delta: 39.8MB). Free memory was 114.7MB in the beginning and 173.7MB in the end (delta: -58.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 53.34ms. Allocated memory is still 230.7MB. Free memory was 173.7MB in the beginning and 170.6MB 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [87] - GenericResultAtLocation [Line: 139]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [139] - GenericResultAtLocation [Line: 505]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [505] - GenericResultAtLocation [Line: 600]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [600] - GenericResultAtLocation [Line: 609]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [609] - GenericResultAtLocation [Line: 709]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [709] - GenericResultAtLocation [Line: 777]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [777] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 314 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 103 StatesRemovedByMinimization, 2 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, 482 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 482 mSDsluCounter, 1104 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 840 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 115 IncrementalHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 264 mSDtfsCounter, 115 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 721]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L91] int switchedOnBeforeTS ; [L309] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L512] int waterLevel = 1; [L513] int methaneLevelCritical = 0; [L610] int cleanupTimeShifts = 4; [L780] int pumpRunning = 0; [L781] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L687] int retValue_acc ; [L688] int tmp ; [L692] FCALL select_helpers() [L693] FCALL select_features() [L694] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L694] RET, EXPR valid_product() [L694] tmp = valid_product() [L696] COND TRUE \read(tmp) [L698] FCALL setup() [L699] CALL runTest() [L680] CALL __utac_acc__Specification5_spec__1() [L96] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L680] RET __utac_acc__Specification5_spec__1() [L681] CALL test() [L712] int splverifierCounter ; [L713] int tmp ; [L714] int tmp___0 ; [L715] int tmp___1 ; [L716] int tmp___2 ; [L719] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L721] COND TRUE 1 [L723] COND TRUE splverifierCounter < 4 [L729] tmp = __VERIFIER_nondet_int() [L731] COND FALSE !(\read(tmp)) [L739] tmp___0 = __VERIFIER_nondet_int() [L741] COND FALSE !(\read(tmp___0)) [L749] tmp___2 = __VERIFIER_nondet_int() [L751] COND TRUE \read(tmp___2) [L766] CALL timeShift() [L788] CALL __utac_acc__Specification5_spec__2() [L105] CALL, EXPR isPumpRunning() [L889] int retValue_acc ; [L892] retValue_acc = pumpRunning [L893] return (retValue_acc); [L105] RET, EXPR isPumpRunning() [L105] switchedOnBeforeTS = isPumpRunning() [L788] RET __utac_acc__Specification5_spec__2() [L790] COND FALSE !(\read(pumpRunning)) [L797] COND TRUE \read(systemActive) [L799] CALL processEnvironment() [L819] int tmp ; [L822] COND FALSE !(\read(pumpRunning)) [L837] FCALL processEnvironment__wrappee__base() [L799] RET processEnvironment() [L805] CALL __utac_acc__Specification5_spec__3() [L111] int tmp ; [L112] int tmp___0 ; [L116] CALL, EXPR getWaterLevel() [L583] int retValue_acc ; [L586] retValue_acc = waterLevel [L587] return (retValue_acc); [L116] RET, EXPR getWaterLevel() [L116] tmp = getWaterLevel() [L118] COND TRUE tmp != 2 [L120] CALL, EXPR isPumpRunning() [L889] int retValue_acc ; [L892] retValue_acc = pumpRunning [L893] return (retValue_acc); [L120] RET, EXPR isPumpRunning() [L120] tmp___0 = isPumpRunning() [L122] COND FALSE !(\read(tmp___0)) [L805] RET __utac_acc__Specification5_spec__3() [L766] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 721]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L91] int switchedOnBeforeTS ; [L309] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L512] int waterLevel = 1; [L513] int methaneLevelCritical = 0; [L610] int cleanupTimeShifts = 4; [L780] int pumpRunning = 0; [L781] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L687] int retValue_acc ; [L688] int tmp ; [L692] FCALL select_helpers() [L693] FCALL select_features() [L694] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L694] RET, EXPR valid_product() [L694] tmp = valid_product() [L696] COND TRUE \read(tmp) [L698] FCALL setup() [L699] CALL runTest() [L680] CALL __utac_acc__Specification5_spec__1() [L96] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L680] RET __utac_acc__Specification5_spec__1() [L681] CALL test() [L712] int splverifierCounter ; [L713] int tmp ; [L714] int tmp___0 ; [L715] int tmp___1 ; [L716] int tmp___2 ; [L719] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L721] COND TRUE 1 [L723] COND TRUE splverifierCounter < 4 [L729] tmp = __VERIFIER_nondet_int() [L731] COND FALSE !(\read(tmp)) [L739] tmp___0 = __VERIFIER_nondet_int() [L741] COND FALSE !(\read(tmp___0)) [L749] tmp___2 = __VERIFIER_nondet_int() [L751] COND TRUE \read(tmp___2) [L766] CALL timeShift() [L788] CALL __utac_acc__Specification5_spec__2() [L105] CALL, EXPR isPumpRunning() [L889] int retValue_acc ; [L892] retValue_acc = pumpRunning [L893] return (retValue_acc); [L105] RET, EXPR isPumpRunning() [L105] switchedOnBeforeTS = isPumpRunning() [L788] RET __utac_acc__Specification5_spec__2() [L790] COND FALSE !(\read(pumpRunning)) [L797] COND TRUE \read(systemActive) [L799] CALL processEnvironment() [L819] int tmp ; [L822] COND FALSE !(\read(pumpRunning)) [L837] FCALL processEnvironment__wrappee__base() [L799] RET processEnvironment() [L805] CALL __utac_acc__Specification5_spec__3() [L111] int tmp ; [L112] int tmp___0 ; [L116] CALL, EXPR getWaterLevel() [L583] int retValue_acc ; [L586] retValue_acc = waterLevel [L587] return (retValue_acc); [L116] RET, EXPR getWaterLevel() [L116] tmp = getWaterLevel() [L118] COND TRUE tmp != 2 [L120] CALL, EXPR isPumpRunning() [L889] int retValue_acc ; [L892] retValue_acc = pumpRunning [L893] return (retValue_acc); [L120] RET, EXPR isPumpRunning() [L120] tmp___0 = isPumpRunning() [L122] COND FALSE !(\read(tmp___0)) [L805] RET __utac_acc__Specification5_spec__3() [L766] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-23 02:50:31,074 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)