./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product48.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_spec2_product48.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 797436b26f0180d1dd4048b2036765c1f76ffc9f34d72e35837e9efcc5780486 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 02:48:32,176 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 02:48:32,249 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-23 02:48:32,252 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 02:48:32,252 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 02:48:32,270 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 02:48:32,271 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 02:48:32,271 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 02:48:32,271 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 02:48:32,272 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 02:48:32,272 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 02:48:32,272 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 02:48:32,272 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 02:48:32,273 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-23 02:48:32,273 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-23 02:48:32,275 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-23 02:48:32,275 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-23 02:48:32,276 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-23 02:48:32,277 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-23 02:48:32,278 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 02:48:32,278 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-23 02:48:32,278 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 02:48:32,279 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 02:48:32,279 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 02:48:32,279 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 02:48:32,279 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-23 02:48:32,279 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-23 02:48:32,280 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-23 02:48:32,280 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 02:48:32,280 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 02:48:32,280 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 02:48:32,280 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 02:48:32,281 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-23 02:48:32,281 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 02:48:32,281 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 02:48:32,281 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 02:48:32,281 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 02:48:32,282 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 02:48:32,282 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-23 02:48:32,282 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 797436b26f0180d1dd4048b2036765c1f76ffc9f34d72e35837e9efcc5780486 [2024-11-23 02:48:32,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 02:48:32,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 02:48:32,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 02:48:32,495 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 02:48:32,495 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 02:48:32,496 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c [2024-11-23 02:48:33,746 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 02:48:33,949 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 02:48:33,951 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c [2024-11-23 02:48:33,966 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04bedd472/65baf5ca89434fb88163a4ded2e9488b/FLAG7b0c1523a [2024-11-23 02:48:34,303 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04bedd472/65baf5ca89434fb88163a4ded2e9488b [2024-11-23 02:48:34,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 02:48:34,306 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 02:48:34,307 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 02:48:34,307 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 02:48:34,311 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 02:48:34,312 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:48:34" (1/1) ... [2024-11-23 02:48:34,312 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71ca841f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:34, skipping insertion in model container [2024-11-23 02:48:34,313 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:48:34" (1/1) ... [2024-11-23 02:48:34,341 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 02:48:34,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 02:48:34,587 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 02:48:34,594 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-23 02:48:34,595 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [150] [2024-11-23 02:48:34,595 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [188] [2024-11-23 02:48:34,595 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [261] [2024-11-23 02:48:34,595 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [484] [2024-11-23 02:48:34,595 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [524] [2024-11-23 02:48:34,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [890] [2024-11-23 02:48:34,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [899] [2024-11-23 02:48:34,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 02:48:34,658 INFO L204 MainTranslator]: Completed translation [2024-11-23 02:48:34,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:34 WrapperNode [2024-11-23 02:48:34,659 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 02:48:34,661 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 02:48:34,661 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 02:48:34,661 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 02:48:34,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:34" (1/1) ... [2024-11-23 02:48:34,675 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:34" (1/1) ... [2024-11-23 02:48:34,716 INFO L138 Inliner]: procedures = 57, calls = 104, calls flagged for inlining = 57, calls inlined = 102, statements flattened = 683 [2024-11-23 02:48:34,716 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 02:48:34,717 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 02:48:34,717 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 02:48:34,717 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 02:48:34,726 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:34" (1/1) ... [2024-11-23 02:48:34,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:34" (1/1) ... [2024-11-23 02:48:34,730 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:34" (1/1) ... [2024-11-23 02:48:34,758 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 02:48:34,759 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:34" (1/1) ... [2024-11-23 02:48:34,759 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:34" (1/1) ... [2024-11-23 02:48:34,766 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:34" (1/1) ... [2024-11-23 02:48:34,773 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:34" (1/1) ... [2024-11-23 02:48:34,775 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:34" (1/1) ... [2024-11-23 02:48:34,776 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:34" (1/1) ... [2024-11-23 02:48:34,779 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 02:48:34,779 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 02:48:34,779 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 02:48:34,780 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 02:48:34,780 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:34" (1/1) ... [2024-11-23 02:48:34,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:48:34,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:48:34,815 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 02:48:34,817 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 02:48:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 02:48:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 02:48:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 02:48:34,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 02:48:34,904 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 02:48:34,906 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 02:48:35,286 INFO L? ?]: Removed 157 outVars from TransFormulas that were not future-live. [2024-11-23 02:48:35,287 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 02:48:35,300 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 02:48:35,300 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 02:48:35,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:48:35 BoogieIcfgContainer [2024-11-23 02:48:35,301 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 02:48:35,301 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-23 02:48:35,301 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-23 02:48:35,306 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-23 02:48:35,307 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:48:35,307 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 02:48:34" (1/3) ... [2024-11-23 02:48:35,307 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f7b7224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:48:35, skipping insertion in model container [2024-11-23 02:48:35,308 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:48:35,308 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:34" (2/3) ... [2024-11-23 02:48:35,308 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f7b7224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:48:35, skipping insertion in model container [2024-11-23 02:48:35,308 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:48:35,308 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:48:35" (3/3) ... [2024-11-23 02:48:35,309 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product48.cil.c [2024-11-23 02:48:35,353 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-23 02:48:35,353 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-23 02:48:35,353 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-23 02:48:35,353 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-23 02:48:35,353 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-23 02:48:35,354 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-23 02:48:35,354 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-23 02:48:35,354 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-23 02:48:35,358 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 192 states, 191 states have (on average 1.356020942408377) internal successors, (259), 191 states have internal predecessors, (259), 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 02:48:35,378 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 125 [2024-11-23 02:48:35,379 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:48:35,379 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:48:35,384 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:48:35,384 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:48:35,384 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-23 02:48:35,385 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 192 states, 191 states have (on average 1.356020942408377) internal successors, (259), 191 states have internal predecessors, (259), 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 02:48:35,391 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 125 [2024-11-23 02:48:35,391 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:48:35,391 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:48:35,392 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:48:35,392 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:48:35,396 INFO L745 eck$LassoCheckResult]: Stem: 35#$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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 49#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret52#1, main_~retValue_acc~11#1, main_~tmp~9#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 28#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 150#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~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 128#valid_product_returnLabel#1true main_#t~ret52#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret52#1;havoc main_#t~ret52#1; 2#L983true assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 104#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 148#__utac_acc__Specification2_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet10#1, test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 97#L203-2true [2024-11-23 02:48:35,396 INFO L747 eck$LassoCheckResult]: Loop: 97#L203-2true assume !false; 153#L204true assume test_~splverifierCounter~0#1 < 4; 110#L205true havoc test_#t~nondet10#1;test_~tmp~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 179#L213true assume !(0 != test_~tmp~0#1); 16#L213-2true havoc test_#t~nondet11#1;test_~tmp___0~0#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1; 95#L223true assume !(0 != test_~tmp___0~0#1); 67#L223-2true havoc test_#t~nondet12#1;test_~tmp___2~0#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 94#L233true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet13#1;test_~tmp___1~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 34#L241true assume !(0 != test_~tmp___1~0#1); 76#L241-2true assume { :begin_inline_timeShift } true; 126#L274true assume !(0 != ~pumpRunning~0); 181#L274-2true assume !(0 != ~systemActive~0); 137#L281-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret27#1, __utac_acc__Specification2_spec__2_#t~ret28#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 90#isMethaneLevelCritical_returnLabel#4true __utac_acc__Specification2_spec__2_#t~ret27#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret27#1;havoc __utac_acc__Specification2_spec__2_#t~ret27#1; 96#L503true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5#1);~methAndRunningLastTime~0 := 0; 88#L503-1true havoc __utac_acc__Specification2_spec__2_#t~ret27#1, __utac_acc__Specification2_spec__2_#t~ret28#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 86#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 97#L203-2true [2024-11-23 02:48:35,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:48:35,400 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-23 02:48:35,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:48:35,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891791869] [2024-11-23 02:48:35,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:48:35,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:48:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:48:35,479 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:48:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:48:35,513 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:48:35,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:48:35,516 INFO L85 PathProgramCache]: Analyzing trace with hash 679321817, now seen corresponding path program 1 times [2024-11-23 02:48:35,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:48:35,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533375929] [2024-11-23 02:48:35,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:48:35,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:48:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:48:35,532 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:48:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:48:35,540 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:48:35,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:48:35,544 INFO L85 PathProgramCache]: Analyzing trace with hash -56619760, now seen corresponding path program 1 times [2024-11-23 02:48:35,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:48:35,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630002705] [2024-11-23 02:48:35,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:48:35,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:48:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:48:35,759 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 02:48:35,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 02:48:35,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630002705] [2024-11-23 02:48:35,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630002705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 02:48:35,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 02:48:35,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 02:48:35,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581154407] [2024-11-23 02:48:35,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 02:48:35,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 02:48:35,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 02:48:35,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 02:48:35,926 INFO L87 Difference]: Start difference. First operand has 192 states, 191 states have (on average 1.356020942408377) internal successors, (259), 191 states have internal predecessors, (259), 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 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 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 02:48:36,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 02:48:36,064 INFO L93 Difference]: Finished difference Result 430 states and 565 transitions. [2024-11-23 02:48:36,066 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 430 states and 565 transitions. [2024-11-23 02:48:36,071 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 281 [2024-11-23 02:48:36,077 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 430 states to 400 states and 535 transitions. [2024-11-23 02:48:36,078 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 400 [2024-11-23 02:48:36,079 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 400 [2024-11-23 02:48:36,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 400 states and 535 transitions. [2024-11-23 02:48:36,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 02:48:36,082 INFO L218 hiAutomatonCegarLoop]: Abstraction has 400 states and 535 transitions. [2024-11-23 02:48:36,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states and 535 transitions. [2024-11-23 02:48:36,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 231. [2024-11-23 02:48:36,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 231 states have (on average 1.3376623376623376) internal successors, (309), 230 states have internal predecessors, (309), 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 02:48:36,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 309 transitions. [2024-11-23 02:48:36,120 INFO L240 hiAutomatonCegarLoop]: Abstraction has 231 states and 309 transitions. [2024-11-23 02:48:36,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 02:48:36,124 INFO L425 stractBuchiCegarLoop]: Abstraction has 231 states and 309 transitions. [2024-11-23 02:48:36,125 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-23 02:48:36,125 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 231 states and 309 transitions. [2024-11-23 02:48:36,129 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 161 [2024-11-23 02:48:36,130 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:48:36,130 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:48:36,130 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:48:36,132 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] [2024-11-23 02:48:36,132 INFO L745 eck$LassoCheckResult]: Stem: 703#$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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 704#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret52#1, main_~retValue_acc~11#1, main_~tmp~9#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 689#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 690#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~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 795#valid_product_returnLabel#1 main_#t~ret52#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret52#1;havoc main_#t~ret52#1; 640#L983 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 641#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 778#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet10#1, test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 765#L203-2 [2024-11-23 02:48:36,132 INFO L747 eck$LassoCheckResult]: Loop: 765#L203-2 assume !false; 775#L204 assume test_~splverifierCounter~0#1 < 4; 782#L205 havoc test_#t~nondet10#1;test_~tmp~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 783#L213 assume !(0 != test_~tmp~0#1); 664#L213-2 havoc test_#t~nondet11#1;test_~tmp___0~0#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1; 665#L223 assume !(0 != test_~tmp___0~0#1); 654#L223-2 havoc test_#t~nondet12#1;test_~tmp___2~0#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 742#L233 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 746#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 701#L241-2 assume { :begin_inline_timeShift } true; 751#L274 assume !(0 != ~pumpRunning~0); 683#L274-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret15#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 693#L332 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret14#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1#1; 694#L306-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 642#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 643#L306-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret14#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 666#L332-1 havoc processEnvironment_#t~ret15#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 712#L281-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret27#1, __utac_acc__Specification2_spec__2_#t~ret28#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 768#isMethaneLevelCritical_returnLabel#4 __utac_acc__Specification2_spec__2_#t~ret27#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret27#1;havoc __utac_acc__Specification2_spec__2_#t~ret27#1; 769#L503 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5#1);~methAndRunningLastTime~0 := 0; 687#L503-1 havoc __utac_acc__Specification2_spec__2_#t~ret27#1, __utac_acc__Specification2_spec__2_#t~ret28#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 764#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 765#L203-2 [2024-11-23 02:48:36,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:48:36,133 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-23 02:48:36,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:48:36,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982579063] [2024-11-23 02:48:36,134 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 02:48:36,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:48:36,146 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 02:48:36,146 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 02:48:36,146 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:48:36,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:48:36,152 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:48:36,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:48:36,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1143276633, now seen corresponding path program 1 times [2024-11-23 02:48:36,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:48:36,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446596153] [2024-11-23 02:48:36,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:48:36,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:48:36,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:48:36,172 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 02:48:36,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 02:48:36,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446596153] [2024-11-23 02:48:36,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446596153] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 02:48:36,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 02:48:36,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 02:48:36,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720720907] [2024-11-23 02:48:36,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 02:48:36,174 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-23 02:48:36,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 02:48:36,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 02:48:36,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 02:48:36,177 INFO L87 Difference]: Start difference. First operand 231 states and 309 transitions. cyclomatic complexity: 81 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 02:48:36,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 02:48:36,255 INFO L93 Difference]: Finished difference Result 291 states and 373 transitions. [2024-11-23 02:48:36,256 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 291 states and 373 transitions. [2024-11-23 02:48:36,258 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 207 [2024-11-23 02:48:36,259 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 291 states to 291 states and 373 transitions. [2024-11-23 02:48:36,259 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 291 [2024-11-23 02:48:36,260 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 291 [2024-11-23 02:48:36,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 291 states and 373 transitions. [2024-11-23 02:48:36,262 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 02:48:36,262 INFO L218 hiAutomatonCegarLoop]: Abstraction has 291 states and 373 transitions. [2024-11-23 02:48:36,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states and 373 transitions. [2024-11-23 02:48:36,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2024-11-23 02:48:36,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 291 states have (on average 1.2817869415807561) internal successors, (373), 290 states have internal predecessors, (373), 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 02:48:36,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 373 transitions. [2024-11-23 02:48:36,281 INFO L240 hiAutomatonCegarLoop]: Abstraction has 291 states and 373 transitions. [2024-11-23 02:48:36,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 02:48:36,282 INFO L425 stractBuchiCegarLoop]: Abstraction has 291 states and 373 transitions. [2024-11-23 02:48:36,282 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-23 02:48:36,282 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 291 states and 373 transitions. [2024-11-23 02:48:36,284 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 207 [2024-11-23 02:48:36,284 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:48:36,284 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:48:36,285 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:48:36,285 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:48:36,285 INFO L745 eck$LassoCheckResult]: Stem: 1229#$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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 1230#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret52#1, main_~retValue_acc~11#1, main_~tmp~9#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 1216#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1217#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~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 1326#valid_product_returnLabel#1 main_#t~ret52#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret52#1;havoc main_#t~ret52#1; 1168#L983 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 1169#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 1303#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet10#1, test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1288#L203-2 [2024-11-23 02:48:36,285 INFO L747 eck$LassoCheckResult]: Loop: 1288#L203-2 assume !false; 1299#L204 assume test_~splverifierCounter~0#1 < 4; 1427#L205 havoc test_#t~nondet10#1;test_~tmp~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 1425#L213 assume !(0 != test_~tmp~0#1); 1190#L213-2 havoc test_#t~nondet11#1;test_~tmp___0~0#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1; 1191#L223 assume !(0 != test_~tmp___0~0#1); 1180#L223-2 havoc test_#t~nondet12#1;test_~tmp___2~0#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 1266#L233 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1270#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 1227#L241-2 assume { :begin_inline_timeShift } true; 1275#L274 assume !(0 != ~pumpRunning~0); 1325#L274-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret15#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 1220#L332 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret14#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1#1; 1221#L306-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret26#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~7#1;havoc isHighWaterLevel_~tmp~4#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1; 1250#L140-1 assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2#1 := 0;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; 1245#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret26#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret26#1;havoc isHighWaterLevel_#t~ret26#1; 1202#L451-3 assume 0 != isHighWaterLevel_~tmp~4#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1203#L451-5 isHighWaterLevel_~retValue_acc~7#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; 1279#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__methaneQuery_#t~ret14#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret26#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~1#1 := processEnvironment__wrappee__methaneQuery_#t~ret14#1;havoc processEnvironment__wrappee__methaneQuery_#t~ret14#1; 1170#L310-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~1#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1172#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 1192#L306-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret14#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1193#L332-1 havoc processEnvironment_#t~ret15#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 1241#L281-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret27#1, __utac_acc__Specification2_spec__2_#t~ret28#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 1434#isMethaneLevelCritical_returnLabel#4 __utac_acc__Specification2_spec__2_#t~ret27#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret27#1;havoc __utac_acc__Specification2_spec__2_#t~ret27#1; 1297#L503 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5#1);~methAndRunningLastTime~0 := 0; 1214#L503-1 havoc __utac_acc__Specification2_spec__2_#t~ret27#1, __utac_acc__Specification2_spec__2_#t~ret28#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 1287#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1288#L203-2 [2024-11-23 02:48:36,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:48:36,286 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2024-11-23 02:48:36,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:48:36,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814099128] [2024-11-23 02:48:36,287 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 02:48:36,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:48:36,293 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-23 02:48:36,293 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 02:48:36,293 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:48:36,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:48:36,308 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:48:36,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:48:36,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1298141917, now seen corresponding path program 1 times [2024-11-23 02:48:36,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:48:36,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731000463] [2024-11-23 02:48:36,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:48:36,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:48:36,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:48:36,366 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 02:48:36,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 02:48:36,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731000463] [2024-11-23 02:48:36,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731000463] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 02:48:36,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 02:48:36,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 02:48:36,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301892643] [2024-11-23 02:48:36,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 02:48:36,368 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-23 02:48:36,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 02:48:36,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 02:48:36,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 02:48:36,368 INFO L87 Difference]: Start difference. First operand 291 states and 373 transitions. cyclomatic complexity: 85 Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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 02:48:36,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 02:48:36,432 INFO L93 Difference]: Finished difference Result 303 states and 385 transitions. [2024-11-23 02:48:36,432 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 303 states and 385 transitions. [2024-11-23 02:48:36,435 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 215 [2024-11-23 02:48:36,436 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 303 states to 303 states and 385 transitions. [2024-11-23 02:48:36,436 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 303 [2024-11-23 02:48:36,436 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 303 [2024-11-23 02:48:36,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 303 states and 385 transitions. [2024-11-23 02:48:36,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 02:48:36,438 INFO L218 hiAutomatonCegarLoop]: Abstraction has 303 states and 385 transitions. [2024-11-23 02:48:36,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states and 385 transitions. [2024-11-23 02:48:36,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 303. [2024-11-23 02:48:36,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 303 states have (on average 1.2706270627062706) internal successors, (385), 302 states have internal predecessors, (385), 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 02:48:36,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 385 transitions. [2024-11-23 02:48:36,452 INFO L240 hiAutomatonCegarLoop]: Abstraction has 303 states and 385 transitions. [2024-11-23 02:48:36,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 02:48:36,453 INFO L425 stractBuchiCegarLoop]: Abstraction has 303 states and 385 transitions. [2024-11-23 02:48:36,453 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-23 02:48:36,454 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 303 states and 385 transitions. [2024-11-23 02:48:36,455 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 215 [2024-11-23 02:48:36,455 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:48:36,455 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:48:36,456 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:48:36,456 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:48:36,456 INFO L745 eck$LassoCheckResult]: Stem: 1832#$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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 1833#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret52#1, main_~retValue_acc~11#1, main_~tmp~9#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 1818#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1819#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~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 1940#valid_product_returnLabel#1 main_#t~ret52#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret52#1;havoc main_#t~ret52#1; 1772#L983 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 1773#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 1912#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet10#1, test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1907#L203-2 [2024-11-23 02:48:36,456 INFO L747 eck$LassoCheckResult]: Loop: 1907#L203-2 assume !false; 1908#L204 assume test_~splverifierCounter~0#1 < 4; 1918#L205 havoc test_#t~nondet10#1;test_~tmp~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 1919#L213 assume !(0 != test_~tmp~0#1); 1791#L213-2 havoc test_#t~nondet11#1;test_~tmp___0~0#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1; 1792#L223 assume !(0 != test_~tmp___0~0#1); 1781#L223-2 havoc test_#t~nondet12#1;test_~tmp___2~0#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 1870#L233 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet13#1;test_~tmp___1~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 1905#L241 assume !(0 != test_~tmp___1~0#1); 1875#L241-2 assume { :begin_inline_timeShift } true; 1881#L274 assume !(0 != ~pumpRunning~0); 1975#L274-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret15#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 1824#L332 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret14#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1#1; 1825#L306-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret26#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~7#1;havoc isHighWaterLevel_~tmp~4#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1; 1853#L140-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; 1862#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret26#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret26#1;havoc isHighWaterLevel_#t~ret26#1; 1983#L451-3 assume 0 != isHighWaterLevel_~tmp~4#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1805#L451-5 isHighWaterLevel_~retValue_acc~7#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; 1886#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__methaneQuery_#t~ret14#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret26#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~1#1 := processEnvironment__wrappee__methaneQuery_#t~ret14#1;havoc processEnvironment__wrappee__methaneQuery_#t~ret14#1; 1769#L310-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~1#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1771#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 1793#L306-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret14#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1794#L332-1 havoc processEnvironment_#t~ret15#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 1841#L281-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret27#1, __utac_acc__Specification2_spec__2_#t~ret28#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 2049#isMethaneLevelCritical_returnLabel#4 __utac_acc__Specification2_spec__2_#t~ret27#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret27#1;havoc __utac_acc__Specification2_spec__2_#t~ret27#1; 2047#L503 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5#1);~methAndRunningLastTime~0 := 0; 2044#L503-1 havoc __utac_acc__Specification2_spec__2_#t~ret27#1, __utac_acc__Specification2_spec__2_#t~ret28#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 2043#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1907#L203-2 [2024-11-23 02:48:36,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:48:36,457 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2024-11-23 02:48:36,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:48:36,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116172864] [2024-11-23 02:48:36,458 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 02:48:36,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:48:36,467 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 02:48:36,467 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 02:48:36,467 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:48:36,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:48:36,480 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:48:36,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:48:36,483 INFO L85 PathProgramCache]: Analyzing trace with hash 90794065, now seen corresponding path program 1 times [2024-11-23 02:48:36,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:48:36,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974391359] [2024-11-23 02:48:36,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:48:36,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:48:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:48:36,493 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:48:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:48:36,501 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:48:36,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:48:36,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1089864634, now seen corresponding path program 1 times [2024-11-23 02:48:36,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:48:36,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298894318] [2024-11-23 02:48:36,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:48:36,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:48:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:48:36,523 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:48:36,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:48:36,532 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:48:37,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:48:37,186 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:48:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:48:37,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 02:48:37 BoogieIcfgContainer [2024-11-23 02:48:37,239 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-23 02:48:37,240 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 02:48:37,240 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 02:48:37,240 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 02:48:37,240 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:48:35" (3/4) ... [2024-11-23 02:48:37,242 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-23 02:48:37,281 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-23 02:48:37,282 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 02:48:37,284 INFO L158 Benchmark]: Toolchain (without parser) took 2977.23ms. Allocated memory was 148.9MB in the beginning and 186.6MB in the end (delta: 37.7MB). Free memory was 76.0MB in the beginning and 63.8MB in the end (delta: 12.2MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. [2024-11-23 02:48:37,284 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 148.9MB. Free memory is still 99.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:48:37,284 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.07ms. Allocated memory is still 148.9MB. Free memory was 75.8MB in the beginning and 54.4MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-23 02:48:37,285 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.24ms. Allocated memory is still 148.9MB. Free memory was 54.4MB in the beginning and 116.2MB in the end (delta: -61.9MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2024-11-23 02:48:37,285 INFO L158 Benchmark]: Boogie Preprocessor took 62.26ms. Allocated memory is still 148.9MB. Free memory was 116.2MB in the beginning and 117.6MB in the end (delta: -1.4MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2024-11-23 02:48:37,285 INFO L158 Benchmark]: RCFGBuilder took 521.27ms. Allocated memory is still 148.9MB. Free memory was 117.6MB in the beginning and 86.9MB in the end (delta: 30.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-23 02:48:37,285 INFO L158 Benchmark]: BuchiAutomizer took 1938.04ms. Allocated memory was 148.9MB in the beginning and 186.6MB in the end (delta: 37.7MB). Free memory was 86.9MB in the beginning and 66.9MB in the end (delta: 20.0MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. [2024-11-23 02:48:37,286 INFO L158 Benchmark]: Witness Printer took 42.01ms. Allocated memory is still 186.6MB. Free memory was 66.9MB in the beginning and 63.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 02:48:37,287 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 148.9MB. Free memory is still 99.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 353.07ms. Allocated memory is still 148.9MB. Free memory was 75.8MB in the beginning and 54.4MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.24ms. Allocated memory is still 148.9MB. Free memory was 54.4MB in the beginning and 116.2MB in the end (delta: -61.9MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.26ms. Allocated memory is still 148.9MB. Free memory was 116.2MB in the beginning and 117.6MB in the end (delta: -1.4MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * RCFGBuilder took 521.27ms. Allocated memory is still 148.9MB. Free memory was 117.6MB in the beginning and 86.9MB in the end (delta: 30.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1938.04ms. Allocated memory was 148.9MB in the beginning and 186.6MB in the end (delta: 37.7MB). Free memory was 86.9MB in the beginning and 66.9MB in the end (delta: 20.0MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. * Witness Printer took 42.01ms. Allocated memory is still 186.6MB. Free memory was 66.9MB in the beginning and 63.8MB 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 150]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [150] - GenericResultAtLocation [Line: 188]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [188] - GenericResultAtLocation [Line: 261]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [261] - GenericResultAtLocation [Line: 484]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [484] - GenericResultAtLocation [Line: 524]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [524] - GenericResultAtLocation [Line: 890]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [890] - GenericResultAtLocation [Line: 899]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [899] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 303 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 169 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 852 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 852 mSDsluCounter, 1997 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1300 mSDsCounter, 51 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 145 IncrementalHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 51 mSolverCounterUnsat, 697 mSDtfsCounter, 145 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 203]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L266] int pumpRunning = 0; [L267] int systemActive = 1; [L486] int methAndRunningLastTime ; [L694] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L900] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L974] int retValue_acc ; [L975] int tmp ; [L979] FCALL select_helpers() [L980] FCALL select_features() [L981] CALL, EXPR valid_product() [L180] int retValue_acc ; [L183] retValue_acc = 1 [L184] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L981] RET, EXPR valid_product() [L981] tmp = valid_product() [L983] COND TRUE \read(tmp) [L985] FCALL setup() [L986] CALL runTest() [L967] CALL __utac_acc__Specification2_spec__1() [L491] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L967] RET __utac_acc__Specification2_spec__1() [L968] CALL test() [L194] int splverifierCounter ; [L195] int tmp ; [L196] int tmp___0 ; [L197] int tmp___1 ; [L198] int tmp___2 ; [L201] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L203] COND TRUE 1 [L205] COND TRUE splverifierCounter < 4 [L211] tmp = __VERIFIER_nondet_int() [L213] COND FALSE !(\read(tmp)) [L221] tmp___0 = __VERIFIER_nondet_int() [L223] COND FALSE !(\read(tmp___0)) [L231] tmp___2 = __VERIFIER_nondet_int() [L233] COND FALSE !(\read(tmp___2)) [L239] tmp___1 = __VERIFIER_nondet_int() [L241] COND FALSE !(\read(tmp___1)) [L250] CALL timeShift() [L274] COND FALSE !(\read(pumpRunning)) [L281] COND TRUE \read(systemActive) [L283] CALL processEnvironment() [L329] int tmp ; [L332] COND FALSE !(\read(pumpRunning)) [L347] CALL processEnvironment__wrappee__methaneQuery() [L303] int tmp ; [L306] COND TRUE ! pumpRunning [L308] CALL, EXPR isHighWaterLevel() [L443] int retValue_acc ; [L444] int tmp ; [L445] int tmp___0 ; [L449] CALL, EXPR isHighWaterSensorDry() [L137] int retValue_acc ; [L140] COND TRUE waterLevel < 2 [L141] retValue_acc = 1 [L142] return (retValue_acc); [L449] RET, EXPR isHighWaterSensorDry() [L449] tmp = isHighWaterSensorDry() [L451] COND TRUE \read(tmp) [L452] tmp___0 = 0 [L456] retValue_acc = tmp___0 [L457] return (retValue_acc); [L308] RET, EXPR isHighWaterLevel() [L308] tmp = isHighWaterLevel() [L310] COND FALSE !(\read(tmp)) [L316] FCALL processEnvironment__wrappee__base() [L347] RET processEnvironment__wrappee__methaneQuery() [L283] RET processEnvironment() [L289] CALL __utac_acc__Specification2_spec__2() [L496] int tmp ; [L497] int tmp___0 ; [L501] CALL, EXPR isMethaneLevelCritical() [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L501] RET, EXPR isMethaneLevelCritical() [L501] tmp = isMethaneLevelCritical() [L503] COND FALSE !(\read(tmp)) [L519] methAndRunningLastTime = 0 [L289] RET __utac_acc__Specification2_spec__2() [L250] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 203]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L266] int pumpRunning = 0; [L267] int systemActive = 1; [L486] int methAndRunningLastTime ; [L694] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L900] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L974] int retValue_acc ; [L975] int tmp ; [L979] FCALL select_helpers() [L980] FCALL select_features() [L981] CALL, EXPR valid_product() [L180] int retValue_acc ; [L183] retValue_acc = 1 [L184] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L981] RET, EXPR valid_product() [L981] tmp = valid_product() [L983] COND TRUE \read(tmp) [L985] FCALL setup() [L986] CALL runTest() [L967] CALL __utac_acc__Specification2_spec__1() [L491] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L967] RET __utac_acc__Specification2_spec__1() [L968] CALL test() [L194] int splverifierCounter ; [L195] int tmp ; [L196] int tmp___0 ; [L197] int tmp___1 ; [L198] int tmp___2 ; [L201] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L203] COND TRUE 1 [L205] COND TRUE splverifierCounter < 4 [L211] tmp = __VERIFIER_nondet_int() [L213] COND FALSE !(\read(tmp)) [L221] tmp___0 = __VERIFIER_nondet_int() [L223] COND FALSE !(\read(tmp___0)) [L231] tmp___2 = __VERIFIER_nondet_int() [L233] COND FALSE !(\read(tmp___2)) [L239] tmp___1 = __VERIFIER_nondet_int() [L241] COND FALSE !(\read(tmp___1)) [L250] CALL timeShift() [L274] COND FALSE !(\read(pumpRunning)) [L281] COND TRUE \read(systemActive) [L283] CALL processEnvironment() [L329] int tmp ; [L332] COND FALSE !(\read(pumpRunning)) [L347] CALL processEnvironment__wrappee__methaneQuery() [L303] int tmp ; [L306] COND TRUE ! pumpRunning [L308] CALL, EXPR isHighWaterLevel() [L443] int retValue_acc ; [L444] int tmp ; [L445] int tmp___0 ; [L449] CALL, EXPR isHighWaterSensorDry() [L137] int retValue_acc ; [L140] COND TRUE waterLevel < 2 [L141] retValue_acc = 1 [L142] return (retValue_acc); [L449] RET, EXPR isHighWaterSensorDry() [L449] tmp = isHighWaterSensorDry() [L451] COND TRUE \read(tmp) [L452] tmp___0 = 0 [L456] retValue_acc = tmp___0 [L457] return (retValue_acc); [L308] RET, EXPR isHighWaterLevel() [L308] tmp = isHighWaterLevel() [L310] COND FALSE !(\read(tmp)) [L316] FCALL processEnvironment__wrappee__base() [L347] RET processEnvironment__wrappee__methaneQuery() [L283] RET processEnvironment() [L289] CALL __utac_acc__Specification2_spec__2() [L496] int tmp ; [L497] int tmp___0 ; [L501] CALL, EXPR isMethaneLevelCritical() [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L501] RET, EXPR isMethaneLevelCritical() [L501] tmp = isMethaneLevelCritical() [L503] COND FALSE !(\read(tmp)) [L519] methAndRunningLastTime = 0 [L289] RET __utac_acc__Specification2_spec__2() [L250] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-23 02:48:37,305 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)