./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product49.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_spec1_product49.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 d7c4dde0ada366116691c2f175a080cab4880a7b4b6a5f42c97520b77f10420a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 14:56:29,859 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 14:56:29,933 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-19 14:56:29,938 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 14:56:29,940 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 14:56:29,983 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 14:56:29,985 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 14:56:29,985 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 14:56:29,986 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 14:56:29,987 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 14:56:29,987 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 14:56:29,987 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 14:56:29,988 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 14:56:29,988 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-19 14:56:29,989 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-19 14:56:29,990 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-19 14:56:29,990 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-19 14:56:29,990 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-19 14:56:29,990 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-19 14:56:29,991 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 14:56:29,991 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-19 14:56:29,995 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 14:56:29,995 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 14:56:29,996 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 14:56:29,996 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 14:56:29,996 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-19 14:56:29,996 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-19 14:56:29,996 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-19 14:56:29,996 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 14:56:29,996 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 14:56:29,997 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 14:56:29,997 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 14:56:29,997 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-19 14:56:29,997 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 14:56:29,997 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 14:56:29,997 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 14:56:29,997 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 14:56:29,998 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 14:56:29,998 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-19 14:56:29,998 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7c4dde0ada366116691c2f175a080cab4880a7b4b6a5f42c97520b77f10420a [2024-11-19 14:56:30,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 14:56:30,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 14:56:30,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 14:56:30,264 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 14:56:30,264 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 14:56:30,265 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product49.cil.c [2024-11-19 14:56:31,690 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 14:56:31,899 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 14:56:31,900 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product49.cil.c [2024-11-19 14:56:31,917 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcf8895e1/b90a4889a77a47f58667ac530884327a/FLAGfe7e19601 [2024-11-19 14:56:31,928 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcf8895e1/b90a4889a77a47f58667ac530884327a [2024-11-19 14:56:31,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 14:56:31,932 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 14:56:31,933 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 14:56:31,933 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 14:56:31,938 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 14:56:31,938 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:31" (1/1) ... [2024-11-19 14:56:31,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18b5ff50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:31, skipping insertion in model container [2024-11-19 14:56:31,939 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:31" (1/1) ... [2024-11-19 14:56:31,981 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 14:56:32,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:56:32,294 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 14:56:32,302 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [49] [2024-11-19 14:56:32,303 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [78] [2024-11-19 14:56:32,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [182] [2024-11-19 14:56:32,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [548] [2024-11-19 14:56:32,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [751] [2024-11-19 14:56:32,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [816] [2024-11-19 14:56:32,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [851] [2024-11-19 14:56:32,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [955] [2024-11-19 14:56:32,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:56:32,362 INFO L204 MainTranslator]: Completed translation [2024-11-19 14:56:32,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:32 WrapperNode [2024-11-19 14:56:32,363 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 14:56:32,364 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 14:56:32,364 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 14:56:32,364 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 14:56:32,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:32" (1/1) ... [2024-11-19 14:56:32,383 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:32" (1/1) ... [2024-11-19 14:56:32,421 INFO L138 Inliner]: procedures = 55, calls = 99, calls flagged for inlining = 52, calls inlined = 80, statements flattened = 549 [2024-11-19 14:56:32,421 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 14:56:32,422 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 14:56:32,422 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 14:56:32,422 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 14:56:32,433 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:32" (1/1) ... [2024-11-19 14:56:32,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:32" (1/1) ... [2024-11-19 14:56:32,437 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:32" (1/1) ... [2024-11-19 14:56:32,462 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]. [2024-11-19 14:56:32,462 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:32" (1/1) ... [2024-11-19 14:56:32,462 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:32" (1/1) ... [2024-11-19 14:56:32,472 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:32" (1/1) ... [2024-11-19 14:56:32,481 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:32" (1/1) ... [2024-11-19 14:56:32,482 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:32" (1/1) ... [2024-11-19 14:56:32,483 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:32" (1/1) ... [2024-11-19 14:56:32,490 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 14:56:32,494 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 14:56:32,494 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 14:56:32,494 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 14:56:32,495 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:32" (1/1) ... [2024-11-19 14:56:32,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:56:32,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:56:32,535 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) [2024-11-19 14:56:32,538 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 [2024-11-19 14:56:32,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 14:56:32,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 14:56:32,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 14:56:32,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 14:56:32,675 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 14:56:32,678 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 14:56:33,003 INFO L? ?]: Removed 130 outVars from TransFormulas that were not future-live. [2024-11-19 14:56:33,004 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 14:56:33,017 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 14:56:33,018 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 14:56:33,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:33 BoogieIcfgContainer [2024-11-19 14:56:33,018 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 14:56:33,019 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-19 14:56:33,019 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-19 14:56:33,022 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-19 14:56:33,023 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:56:33,023 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 02:56:31" (1/3) ... [2024-11-19 14:56:33,024 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@61551899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:56:33, skipping insertion in model container [2024-11-19 14:56:33,024 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:56:33,024 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:32" (2/3) ... [2024-11-19 14:56:33,025 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@61551899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:56:33, skipping insertion in model container [2024-11-19 14:56:33,025 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:56:33,025 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:33" (3/3) ... [2024-11-19 14:56:33,026 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product49.cil.c [2024-11-19 14:56:33,073 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-19 14:56:33,073 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-19 14:56:33,073 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-19 14:56:33,073 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-19 14:56:33,073 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-19 14:56:33,073 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-19 14:56:33,074 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-19 14:56:33,074 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-19 14:56:33,078 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 165 states, 164 states have (on average 1.3719512195121952) internal successors, (225), 164 states have internal predecessors, (225), 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) [2024-11-19 14:56:33,098 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106 [2024-11-19 14:56:33,098 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:56:33,098 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:56:33,103 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:56:33,104 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:56:33,104 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-19 14:56:33,105 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 165 states, 164 states have (on average 1.3719512195121952) internal successors, (225), 164 states have internal predecessors, (225), 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) [2024-11-19 14:56:33,109 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106 [2024-11-19 14:56:33,110 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:56:33,110 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:56:33,111 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:56:33,112 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:56:33,116 INFO L745 eck$LassoCheckResult]: Stem: 41#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 51#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 35#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 135#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 120#valid_product_returnLabel#1true main_#t~ret6#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1; 79#L169true assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 99#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 21#L762-2true [2024-11-19 14:56:33,117 INFO L747 eck$LassoCheckResult]: Loop: 21#L762-2true assume !false; 100#L763true assume test_~splverifierCounter~0#1 < 4; 160#L764true havoc test_#t~nondet43#1;test_~tmp~9#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 6#L772true assume !(0 != test_~tmp~9#1); 115#L772-2true havoc test_#t~nondet44#1;test_~tmp___0~3#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 152#L782true assume !(0 != test_~tmp___0~3#1); 29#L782-2true havoc test_#t~nondet45#1;test_~tmp___2~0#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 18#L792true assume 0 != test_~tmp___2~0#1; 22#L798-2true assume { :begin_inline_timeShift } true; 111#L562true assume !(0 != ~pumpRunning~0); 116#L562-2true assume !(0 != ~systemActive~0); 10#L569-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; 155#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification1_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret4#1;havoc __utac_acc__Specification1_spec__1_#t~ret4#1; 101#L61true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 142#L61-1true havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 87#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 21#L762-2true [2024-11-19 14:56:33,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:56:33,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-19 14:56:33,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:56:33,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638894538] [2024-11-19 14:56:33,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:56:33,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:56:33,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:33,206 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:56:33,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:33,241 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:56:33,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:56:33,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1182790822, now seen corresponding path program 1 times [2024-11-19 14:56:33,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:56:33,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456963216] [2024-11-19 14:56:33,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:56:33,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:56:33,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:33,253 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:56:33,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:33,259 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:56:33,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:56:33,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1756757398, now seen corresponding path program 1 times [2024-11-19 14:56:33,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:56:33,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577892540] [2024-11-19 14:56:33,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:56:33,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:56:33,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:56:33,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:56:33,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:56:33,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577892540] [2024-11-19 14:56:33,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577892540] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:56:33,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:56:33,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 14:56:33,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641339129] [2024-11-19 14:56:33,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:56:33,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:56:33,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 14:56:33,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 14:56:33,619 INFO L87 Difference]: Start difference. First operand has 165 states, 164 states have (on average 1.3719512195121952) internal successors, (225), 164 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:56:33,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:56:33,708 INFO L93 Difference]: Finished difference Result 159 states and 208 transitions. [2024-11-19 14:56:33,709 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 159 states and 208 transitions. [2024-11-19 14:56:33,712 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 100 [2024-11-19 14:56:33,715 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 159 states to 149 states and 198 transitions. [2024-11-19 14:56:33,716 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 149 [2024-11-19 14:56:33,717 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 149 [2024-11-19 14:56:33,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 149 states and 198 transitions. [2024-11-19 14:56:33,718 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:56:33,718 INFO L218 hiAutomatonCegarLoop]: Abstraction has 149 states and 198 transitions. [2024-11-19 14:56:33,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states and 198 transitions. [2024-11-19 14:56:33,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2024-11-19 14:56:33,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 149 states have (on average 1.3288590604026846) internal successors, (198), 148 states have internal predecessors, (198), 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) [2024-11-19 14:56:33,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 198 transitions. [2024-11-19 14:56:33,750 INFO L240 hiAutomatonCegarLoop]: Abstraction has 149 states and 198 transitions. [2024-11-19 14:56:33,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 14:56:33,754 INFO L425 stractBuchiCegarLoop]: Abstraction has 149 states and 198 transitions. [2024-11-19 14:56:33,754 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-19 14:56:33,755 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 149 states and 198 transitions. [2024-11-19 14:56:33,756 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 100 [2024-11-19 14:56:33,756 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:56:33,756 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:56:33,757 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:56:33,757 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] [2024-11-19 14:56:33,757 INFO L745 eck$LassoCheckResult]: Stem: 408#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 409#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 398#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 399#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 482#valid_product_returnLabel#1 main_#t~ret6#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1; 451#L169 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 452#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 371#L762-2 [2024-11-19 14:56:33,757 INFO L747 eck$LassoCheckResult]: Loop: 371#L762-2 assume !false; 372#L763 assume test_~splverifierCounter~0#1 < 4; 465#L764 havoc test_#t~nondet43#1;test_~tmp~9#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 346#L772 assume !(0 != test_~tmp~9#1); 348#L772-2 havoc test_#t~nondet44#1;test_~tmp___0~3#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 478#L782 assume !(0 != test_~tmp___0~3#1); 388#L782-2 havoc test_#t~nondet45#1;test_~tmp___2~0#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 364#L792 assume 0 != test_~tmp___2~0#1; 366#L798-2 assume { :begin_inline_timeShift } true; 375#L562 assume !(0 != ~pumpRunning~0); 460#L562-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 444#L620 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret30#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1; 429#L594-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 344#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 345#L594-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret30#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 397#L620-1 havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 351#L569-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; 352#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification1_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret4#1;havoc __utac_acc__Specification1_spec__1_#t~ret4#1; 467#L61 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 469#L61-1 havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 455#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 371#L762-2 [2024-11-19 14:56:33,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:56:33,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-19 14:56:33,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:56:33,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682356001] [2024-11-19 14:56:33,759 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 14:56:33,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:56:33,767 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 14:56:33,768 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:56:33,768 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:56:33,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:33,776 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:56:33,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:56:33,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1675917189, now seen corresponding path program 1 times [2024-11-19 14:56:33,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:56:33,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499716861] [2024-11-19 14:56:33,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:56:33,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:56:33,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:56:33,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:56:33,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:56:33,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499716861] [2024-11-19 14:56:33,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499716861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:56:33,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:56:33,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 14:56:33,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887050800] [2024-11-19 14:56:33,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:56:33,802 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-19 14:56:33,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:56:33,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 14:56:33,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 14:56:33,803 INFO L87 Difference]: Start difference. First operand 149 states and 198 transitions. cyclomatic complexity: 51 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:56:33,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:56:33,877 INFO L93 Difference]: Finished difference Result 204 states and 260 transitions. [2024-11-19 14:56:33,877 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 204 states and 260 transitions. [2024-11-19 14:56:33,879 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 142 [2024-11-19 14:56:33,881 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 204 states to 204 states and 260 transitions. [2024-11-19 14:56:33,881 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 204 [2024-11-19 14:56:33,881 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 204 [2024-11-19 14:56:33,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 204 states and 260 transitions. [2024-11-19 14:56:33,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:56:33,882 INFO L218 hiAutomatonCegarLoop]: Abstraction has 204 states and 260 transitions. [2024-11-19 14:56:33,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states and 260 transitions. [2024-11-19 14:56:33,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2024-11-19 14:56:33,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 204 states have (on average 1.2745098039215685) internal successors, (260), 203 states have internal predecessors, (260), 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) [2024-11-19 14:56:33,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 260 transitions. [2024-11-19 14:56:33,889 INFO L240 hiAutomatonCegarLoop]: Abstraction has 204 states and 260 transitions. [2024-11-19 14:56:33,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 14:56:33,890 INFO L425 stractBuchiCegarLoop]: Abstraction has 204 states and 260 transitions. [2024-11-19 14:56:33,890 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-19 14:56:33,890 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 204 states and 260 transitions. [2024-11-19 14:56:33,891 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 142 [2024-11-19 14:56:33,891 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:56:33,891 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:56:33,892 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:56:33,892 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:56:33,892 INFO L745 eck$LassoCheckResult]: Stem: 766#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 767#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 757#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 758#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 843#valid_product_returnLabel#1 main_#t~ret6#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1; 809#L169 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 810#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 729#L762-2 [2024-11-19 14:56:33,892 INFO L747 eck$LassoCheckResult]: Loop: 729#L762-2 assume !false; 730#L763 assume test_~splverifierCounter~0#1 < 4; 825#L764 havoc test_#t~nondet43#1;test_~tmp~9#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 703#L772 assume !(0 != test_~tmp~9#1); 705#L772-2 havoc test_#t~nondet44#1;test_~tmp___0~3#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 839#L782 assume !(0 != test_~tmp___0~3#1); 746#L782-2 havoc test_#t~nondet45#1;test_~tmp___2~0#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 720#L792 assume 0 != test_~tmp___2~0#1; 722#L798-2 assume { :begin_inline_timeShift } true; 731#L562 assume !(0 != ~pumpRunning~0); 836#L562-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 803#L620 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret30#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1; 786#L594-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret41#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~6#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;havoc isHighWaterSensorDry_~retValue_acc~12#1; 727#L936-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; 728#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret41#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret41#1;havoc isHighWaterLevel_#t~ret41#1; 717#L722-3 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~1#1 := 0; 718#L722-5 isHighWaterLevel_~retValue_acc~6#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; 802#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret30#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret41#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~5#1 := processEnvironment__wrappee__highWaterSensor_#t~ret30#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret30#1; 850#L598-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 771#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 755#L594-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret30#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 756#L620-1 havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 708#L569-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; 709#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification1_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret4#1;havoc __utac_acc__Specification1_spec__1_#t~ret4#1; 827#L61 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 829#L61-1 havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 816#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 729#L762-2 [2024-11-19 14:56:33,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:56:33,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-11-19 14:56:33,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:56:33,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209781185] [2024-11-19 14:56:33,894 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 14:56:33,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:56:33,901 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 14:56:33,901 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:56:33,901 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:56:33,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:33,911 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:56:33,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:56:33,912 INFO L85 PathProgramCache]: Analyzing trace with hash 2016882685, now seen corresponding path program 1 times [2024-11-19 14:56:33,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:56:33,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211755407] [2024-11-19 14:56:33,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:56:33,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:56:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:33,919 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:56:33,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:33,925 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:56:33,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:56:33,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1902796871, now seen corresponding path program 1 times [2024-11-19 14:56:33,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:56:33,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041092592] [2024-11-19 14:56:33,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:56:33,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:56:33,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:33,937 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:56:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:33,947 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:56:34,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:34,663 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:56:34,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:34,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 02:56:34 BoogieIcfgContainer [2024-11-19 14:56:34,721 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-19 14:56:34,722 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 14:56:34,722 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 14:56:34,722 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 14:56:34,723 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:33" (3/4) ... [2024-11-19 14:56:34,724 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-19 14:56:34,789 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 14:56:34,790 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 14:56:34,790 INFO L158 Benchmark]: Toolchain (without parser) took 2858.21ms. Allocated memory is still 239.1MB. Free memory was 207.3MB in the beginning and 145.7MB in the end (delta: 61.6MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. [2024-11-19 14:56:34,791 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 134.2MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:56:34,791 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.56ms. Allocated memory is still 239.1MB. Free memory was 207.1MB in the beginning and 190.8MB in the end (delta: 16.2MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2024-11-19 14:56:34,791 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.23ms. Allocated memory is still 239.1MB. Free memory was 190.8MB in the beginning and 187.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:56:34,791 INFO L158 Benchmark]: Boogie Preprocessor took 71.24ms. Allocated memory is still 239.1MB. Free memory was 187.8MB in the beginning and 184.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 14:56:34,792 INFO L158 Benchmark]: RCFGBuilder took 524.65ms. Allocated memory is still 239.1MB. Free memory was 184.6MB in the beginning and 157.3MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-19 14:56:34,792 INFO L158 Benchmark]: BuchiAutomizer took 1702.43ms. Allocated memory is still 239.1MB. Free memory was 157.3MB in the beginning and 148.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-19 14:56:34,792 INFO L158 Benchmark]: Witness Printer took 67.94ms. Allocated memory is still 239.1MB. Free memory was 148.9MB in the beginning and 145.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:56:34,793 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 134.2MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 430.56ms. Allocated memory is still 239.1MB. Free memory was 207.1MB in the beginning and 190.8MB in the end (delta: 16.2MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.23ms. Allocated memory is still 239.1MB. Free memory was 190.8MB in the beginning and 187.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.24ms. Allocated memory is still 239.1MB. Free memory was 187.8MB in the beginning and 184.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 524.65ms. Allocated memory is still 239.1MB. Free memory was 184.6MB in the beginning and 157.3MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 1702.43ms. Allocated memory is still 239.1MB. Free memory was 157.3MB in the beginning and 148.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 67.94ms. Allocated memory is still 239.1MB. Free memory was 148.9MB in the beginning and 145.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [49] - GenericResultAtLocation [Line: 78]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [78] - GenericResultAtLocation [Line: 182]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [182] - GenericResultAtLocation [Line: 548]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [548] - GenericResultAtLocation [Line: 751]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [751] - GenericResultAtLocation [Line: 816]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [816] - GenericResultAtLocation [Line: 851]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [851] - GenericResultAtLocation [Line: 955]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [955] * 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 204 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 337 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 337 mSDsluCounter, 908 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 496 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 412 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 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: 762]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L79] int cleanupTimeShifts = 4; [L352] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L555] int pumpRunning = 0; [L556] int systemActive = 1; [L853] int waterLevel = 1; [L854] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L160] int retValue_acc ; [L161] int tmp ; [L165] FCALL select_helpers() [L166] FCALL select_features() [L167] CALL, EXPR valid_product() [L843] int retValue_acc ; [L846] retValue_acc = 1 [L847] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L167] RET, EXPR valid_product() [L167] tmp = valid_product() [L169] COND TRUE \read(tmp) [L171] FCALL setup() [L172] CALL runTest() [L151] CALL test() [L753] int splverifierCounter ; [L754] int tmp ; [L755] int tmp___0 ; [L756] int tmp___1 ; [L757] int tmp___2 ; [L760] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L762] COND TRUE 1 [L764] COND TRUE splverifierCounter < 4 [L770] tmp = __VERIFIER_nondet_int() [L772] COND FALSE !(\read(tmp)) [L780] tmp___0 = __VERIFIER_nondet_int() [L782] COND FALSE !(\read(tmp___0)) [L790] tmp___2 = __VERIFIER_nondet_int() [L792] COND TRUE \read(tmp___2) [L805] CALL timeShift() [L562] COND FALSE !(\read(pumpRunning)) [L569] COND TRUE \read(systemActive) [L571] CALL processEnvironment() [L617] int tmp ; [L620] COND FALSE !(\read(pumpRunning)) [L635] CALL processEnvironment__wrappee__highWaterSensor() [L591] int tmp ; [L594] COND TRUE ! pumpRunning [L596] CALL, EXPR isHighWaterLevel() [L714] int retValue_acc ; [L715] int tmp ; [L716] int tmp___0 ; [L720] CALL, EXPR isHighWaterSensorDry() [L933] int retValue_acc ; [L936] COND TRUE waterLevel < 2 [L937] retValue_acc = 1 [L938] return (retValue_acc); [L720] RET, EXPR isHighWaterSensorDry() [L720] tmp = isHighWaterSensorDry() [L722] COND TRUE \read(tmp) [L723] tmp___0 = 0 [L727] retValue_acc = tmp___0 [L728] return (retValue_acc); [L596] RET, EXPR isHighWaterLevel() [L596] tmp = isHighWaterLevel() [L598] COND FALSE !(\read(tmp)) [L604] FCALL processEnvironment__wrappee__base() [L635] RET processEnvironment__wrappee__highWaterSensor() [L571] RET processEnvironment() [L577] CALL __utac_acc__Specification1_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR isMethaneLevelCritical() [L892] int retValue_acc ; [L895] retValue_acc = methaneLevelCritical [L896] return (retValue_acc); [L59] RET, EXPR isMethaneLevelCritical() [L59] tmp = isMethaneLevelCritical() [L61] COND FALSE !(\read(tmp)) [L577] RET __utac_acc__Specification1_spec__1() [L805] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 762]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L79] int cleanupTimeShifts = 4; [L352] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L555] int pumpRunning = 0; [L556] int systemActive = 1; [L853] int waterLevel = 1; [L854] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L160] int retValue_acc ; [L161] int tmp ; [L165] FCALL select_helpers() [L166] FCALL select_features() [L167] CALL, EXPR valid_product() [L843] int retValue_acc ; [L846] retValue_acc = 1 [L847] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L167] RET, EXPR valid_product() [L167] tmp = valid_product() [L169] COND TRUE \read(tmp) [L171] FCALL setup() [L172] CALL runTest() [L151] CALL test() [L753] int splverifierCounter ; [L754] int tmp ; [L755] int tmp___0 ; [L756] int tmp___1 ; [L757] int tmp___2 ; [L760] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L762] COND TRUE 1 [L764] COND TRUE splverifierCounter < 4 [L770] tmp = __VERIFIER_nondet_int() [L772] COND FALSE !(\read(tmp)) [L780] tmp___0 = __VERIFIER_nondet_int() [L782] COND FALSE !(\read(tmp___0)) [L790] tmp___2 = __VERIFIER_nondet_int() [L792] COND TRUE \read(tmp___2) [L805] CALL timeShift() [L562] COND FALSE !(\read(pumpRunning)) [L569] COND TRUE \read(systemActive) [L571] CALL processEnvironment() [L617] int tmp ; [L620] COND FALSE !(\read(pumpRunning)) [L635] CALL processEnvironment__wrappee__highWaterSensor() [L591] int tmp ; [L594] COND TRUE ! pumpRunning [L596] CALL, EXPR isHighWaterLevel() [L714] int retValue_acc ; [L715] int tmp ; [L716] int tmp___0 ; [L720] CALL, EXPR isHighWaterSensorDry() [L933] int retValue_acc ; [L936] COND TRUE waterLevel < 2 [L937] retValue_acc = 1 [L938] return (retValue_acc); [L720] RET, EXPR isHighWaterSensorDry() [L720] tmp = isHighWaterSensorDry() [L722] COND TRUE \read(tmp) [L723] tmp___0 = 0 [L727] retValue_acc = tmp___0 [L728] return (retValue_acc); [L596] RET, EXPR isHighWaterLevel() [L596] tmp = isHighWaterLevel() [L598] COND FALSE !(\read(tmp)) [L604] FCALL processEnvironment__wrappee__base() [L635] RET processEnvironment__wrappee__highWaterSensor() [L571] RET processEnvironment() [L577] CALL __utac_acc__Specification1_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR isMethaneLevelCritical() [L892] int retValue_acc ; [L895] retValue_acc = methaneLevelCritical [L896] return (retValue_acc); [L59] RET, EXPR isMethaneLevelCritical() [L59] tmp = isMethaneLevelCritical() [L61] COND FALSE !(\read(tmp)) [L577] RET __utac_acc__Specification1_spec__1() [L805] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-19 14:56:34,820 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)