./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product27.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_spec3_product27.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8729c68adf95fe52029d1e2fee3adcb5035ca5756724ed2fc749f4c6dd51b810 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 14:57:42,653 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 14:57:42,709 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-19 14:57:42,715 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 14:57:42,716 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 14:57:42,758 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 14:57:42,758 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 14:57:42,759 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 14:57:42,768 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 14:57:42,771 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 14:57:42,772 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 14:57:42,772 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 14:57:42,772 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 14:57:42,772 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-19 14:57:42,773 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-19 14:57:42,773 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-19 14:57:42,773 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-19 14:57:42,773 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-19 14:57:42,773 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-19 14:57:42,774 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 14:57:42,774 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-19 14:57:42,781 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 14:57:42,781 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 14:57:42,781 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 14:57:42,781 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 14:57:42,781 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-19 14:57:42,782 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-19 14:57:42,782 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-19 14:57:42,782 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 14:57:42,782 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 14:57:42,782 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 14:57:42,782 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 14:57:42,783 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-19 14:57:42,783 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 14:57:42,783 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 14:57:42,783 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 14:57:42,783 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 14:57:42,784 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 14:57:42,785 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-19 14:57:42,785 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8729c68adf95fe52029d1e2fee3adcb5035ca5756724ed2fc749f4c6dd51b810 [2024-11-19 14:57:43,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 14:57:43,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 14:57:43,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 14:57:43,038 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 14:57:43,038 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 14:57:43,039 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product27.cil.c [2024-11-19 14:57:44,449 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 14:57:44,798 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 14:57:44,798 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product27.cil.c [2024-11-19 14:57:44,823 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee9542c00/a1347dac30334d52ad9b3a2e5c682b28/FLAGa2af0db0f [2024-11-19 14:57:45,037 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee9542c00/a1347dac30334d52ad9b3a2e5c682b28 [2024-11-19 14:57:45,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 14:57:45,043 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 14:57:45,044 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 14:57:45,047 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 14:57:45,052 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 14:57:45,052 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:57:45" (1/1) ... [2024-11-19 14:57:45,053 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ec86a1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:45, skipping insertion in model container [2024-11-19 14:57:45,053 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:57:45" (1/1) ... [2024-11-19 14:57:45,114 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 14:57:45,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:57:45,591 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 14:57:45,606 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2024-11-19 14:57:45,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] [2024-11-19 14:57:45,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [315] [2024-11-19 14:57:45,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [351] [2024-11-19 14:57:45,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [360] [2024-11-19 14:57:45,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [398] [2024-11-19 14:57:45,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [764] [2024-11-19 14:57:45,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [853] [2024-11-19 14:57:45,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:57:45,762 INFO L204 MainTranslator]: Completed translation [2024-11-19 14:57:45,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:45 WrapperNode [2024-11-19 14:57:45,765 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 14:57:45,767 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 14:57:45,767 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 14:57:45,767 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 14:57:45,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:45" (1/1) ... [2024-11-19 14:57:45,803 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:45" (1/1) ... [2024-11-19 14:57:45,846 INFO L138 Inliner]: procedures = 54, calls = 99, calls flagged for inlining = 52, calls inlined = 55, statements flattened = 367 [2024-11-19 14:57:45,847 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 14:57:45,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 14:57:45,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 14:57:45,848 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 14:57:45,859 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:45" (1/1) ... [2024-11-19 14:57:45,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:45" (1/1) ... [2024-11-19 14:57:45,870 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:45" (1/1) ... [2024-11-19 14:57:45,929 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 14:57:45,938 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:45" (1/1) ... [2024-11-19 14:57:45,938 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:45" (1/1) ... [2024-11-19 14:57:45,950 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:45" (1/1) ... [2024-11-19 14:57:45,963 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:45" (1/1) ... [2024-11-19 14:57:45,964 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:45" (1/1) ... [2024-11-19 14:57:45,972 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:45" (1/1) ... [2024-11-19 14:57:45,974 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 14:57:45,980 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 14:57:45,980 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 14:57:45,980 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 14:57:45,981 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:45" (1/1) ... [2024-11-19 14:57:46,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:57:46,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:57:46,055 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 14:57:46,062 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 14:57:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 14:57:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 14:57:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 14:57:46,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 14:57:46,208 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 14:57:46,211 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 14:57:46,478 INFO L? ?]: Removed 82 outVars from TransFormulas that were not future-live. [2024-11-19 14:57:46,478 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 14:57:46,504 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 14:57:46,505 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 14:57:46,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:57:46 BoogieIcfgContainer [2024-11-19 14:57:46,508 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 14:57:46,509 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-19 14:57:46,509 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-19 14:57:46,512 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-19 14:57:46,512 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:57:46,512 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 02:57:45" (1/3) ... [2024-11-19 14:57:46,518 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3644d052 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:57:46, skipping insertion in model container [2024-11-19 14:57:46,518 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:57:46,518 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:45" (2/3) ... [2024-11-19 14:57:46,518 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3644d052 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:57:46, skipping insertion in model container [2024-11-19 14:57:46,518 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:57:46,519 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:57:46" (3/3) ... [2024-11-19 14:57:46,519 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product27.cil.c [2024-11-19 14:57:46,589 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-19 14:57:46,590 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-19 14:57:46,594 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-19 14:57:46,594 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-19 14:57:46,594 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-19 14:57:46,594 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-19 14:57:46,594 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-19 14:57:46,594 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-19 14:57:46,598 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 115 states, 114 states have (on average 1.3596491228070176) internal successors, (155), 114 states have internal predecessors, (155), 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 14:57:46,635 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 74 [2024-11-19 14:57:46,637 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:57:46,638 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:57:46,652 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:57:46,652 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 14:57:46,652 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-19 14:57:46,653 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 115 states, 114 states have (on average 1.3596491228070176) internal successors, (155), 114 states have internal predecessors, (155), 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 14:57:46,661 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 74 [2024-11-19 14:57:46,664 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:57:46,664 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:57:46,668 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:57:46,668 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 14:57:46,673 INFO L745 eck$LassoCheckResult]: Stem: 27#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 36#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~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 21#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 98#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; 86#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~8#1 := main_#t~ret52#1;havoc main_#t~ret52#1; 33#L936true assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 68#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#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; 35#L65-2true [2024-11-19 14:57:46,676 INFO L747 eck$LassoCheckResult]: Loop: 35#L65-2true assume !false; 31#L66true assume test_~splverifierCounter~0#1 < 4; 107#L67true havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 54#L75true assume !(0 != test_~tmp~0#1); 106#L75-2true havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 32#L85true assume !(0 != test_~tmp___0~0#1); 7#L85-2true havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 84#L95true assume 0 != test_~tmp___2~0#1; 82#L101-2true assume { :begin_inline_timeShift } true; 60#L138true assume !(0 != ~pumpRunning~0); 88#L138-2true assume !(0 != ~systemActive~0); 62#L145-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret20#1, __utac_acc__Specification3_spec__1_#t~ret21#1, __utac_acc__Specification3_spec__1_#t~ret22#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 111#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification3_spec__1_#t~ret20#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret20#1;havoc __utac_acc__Specification3_spec__1_#t~ret20#1; 19#L327true assume 0 != __utac_acc__Specification3_spec__1_~tmp~4#1; 101#L333-1true havoc __utac_acc__Specification3_spec__1_#t~ret20#1, __utac_acc__Specification3_spec__1_#t~ret21#1, __utac_acc__Specification3_spec__1_#t~ret22#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 57#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 35#L65-2true [2024-11-19 14:57:46,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:57:46,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-19 14:57:46,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:57:46,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333228393] [2024-11-19 14:57:46,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:57:46,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:57:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:46,853 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:57:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:46,883 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:57:46,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:57:46,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1634798218, now seen corresponding path program 1 times [2024-11-19 14:57:46,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:57:46,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323265079] [2024-11-19 14:57:46,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:57:46,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:57:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:46,898 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:57:46,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:46,904 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:57:46,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:57:46,905 INFO L85 PathProgramCache]: Analyzing trace with hash -279379142, now seen corresponding path program 1 times [2024-11-19 14:57:46,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:57:46,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088466634] [2024-11-19 14:57:46,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:57:46,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:57:46,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:57:47,164 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 14:57:47,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:57:47,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088466634] [2024-11-19 14:57:47,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088466634] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:57:47,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:57:47,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 14:57:47,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224388597] [2024-11-19 14:57:47,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:57:47,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:57:47,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 14:57:47,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 14:57:47,374 INFO L87 Difference]: Start difference. First operand has 115 states, 114 states have (on average 1.3596491228070176) internal successors, (155), 114 states have internal predecessors, (155), 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 14:57:47,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:57:47,523 INFO L93 Difference]: Finished difference Result 281 states and 362 transitions. [2024-11-19 14:57:47,524 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 281 states and 362 transitions. [2024-11-19 14:57:47,530 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 179 [2024-11-19 14:57:47,535 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 281 states to 251 states and 332 transitions. [2024-11-19 14:57:47,536 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 251 [2024-11-19 14:57:47,537 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 251 [2024-11-19 14:57:47,538 INFO L73 IsDeterministic]: Start isDeterministic. Operand 251 states and 332 transitions. [2024-11-19 14:57:47,539 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:57:47,539 INFO L218 hiAutomatonCegarLoop]: Abstraction has 251 states and 332 transitions. [2024-11-19 14:57:47,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states and 332 transitions. [2024-11-19 14:57:47,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 157. [2024-11-19 14:57:47,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 157 states have (on average 1.3248407643312101) internal successors, (208), 156 states have internal predecessors, (208), 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 14:57:47,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 208 transitions. [2024-11-19 14:57:47,574 INFO L240 hiAutomatonCegarLoop]: Abstraction has 157 states and 208 transitions. [2024-11-19 14:57:47,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 14:57:47,580 INFO L425 stractBuchiCegarLoop]: Abstraction has 157 states and 208 transitions. [2024-11-19 14:57:47,580 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-19 14:57:47,580 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 157 states and 208 transitions. [2024-11-19 14:57:47,583 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 112 [2024-11-19 14:57:47,583 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:57:47,583 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:57:47,583 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:57:47,583 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] [2024-11-19 14:57:47,584 INFO L745 eck$LassoCheckResult]: Stem: 449#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 450#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~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 446#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 447#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; 504#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~8#1 := main_#t~ret52#1;havoc main_#t~ret52#1; 461#L936 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 462#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#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; 463#L65-2 [2024-11-19 14:57:47,584 INFO L747 eck$LassoCheckResult]: Loop: 463#L65-2 assume !false; 457#L66 assume test_~splverifierCounter~0#1 < 4; 458#L67 havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 478#L75 assume !(0 != test_~tmp~0#1); 480#L75-2 havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 460#L85 assume !(0 != test_~tmp___0~0#1); 420#L85-2 havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 421#L95 assume 0 != test_~tmp___2~0#1; 502#L101-2 assume { :begin_inline_timeShift } true; 487#L138 assume !(0 != ~pumpRunning~0); 482#L138-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 492#L170 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 493#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 432#L170-1 havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 471#L145-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret20#1, __utac_acc__Specification3_spec__1_#t~ret21#1, __utac_acc__Specification3_spec__1_#t~ret22#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 491#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret20#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret20#1;havoc __utac_acc__Specification3_spec__1_#t~ret20#1; 441#L327 assume 0 != __utac_acc__Specification3_spec__1_~tmp~4#1; 442#L333-1 havoc __utac_acc__Specification3_spec__1_#t~ret20#1, __utac_acc__Specification3_spec__1_#t~ret21#1, __utac_acc__Specification3_spec__1_#t~ret22#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 484#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 463#L65-2 [2024-11-19 14:57:47,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:57:47,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-19 14:57:47,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:57:47,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42657043] [2024-11-19 14:57:47,585 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 14:57:47,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:57:47,593 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 14:57:47,593 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:57:47,593 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:57:47,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:47,604 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:57:47,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:57:47,604 INFO L85 PathProgramCache]: Analyzing trace with hash -313185504, now seen corresponding path program 1 times [2024-11-19 14:57:47,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:57:47,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087083664] [2024-11-19 14:57:47,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:57:47,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:57:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:47,609 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:57:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:47,614 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:57:47,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:57:47,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1988957916, now seen corresponding path program 1 times [2024-11-19 14:57:47,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:57:47,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679578787] [2024-11-19 14:57:47,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:57:47,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:57:47,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:57:47,689 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 14:57:47,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:57:47,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679578787] [2024-11-19 14:57:47,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679578787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:57:47,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:57:47,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 14:57:47,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095997142] [2024-11-19 14:57:47,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:57:47,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:57:47,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 14:57:47,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 14:57:47,732 INFO L87 Difference]: Start difference. First operand 157 states and 208 transitions. cyclomatic complexity: 54 Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:57:47,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:57:47,809 INFO L93 Difference]: Finished difference Result 307 states and 401 transitions. [2024-11-19 14:57:47,809 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 307 states and 401 transitions. [2024-11-19 14:57:47,813 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 224 [2024-11-19 14:57:47,816 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 307 states to 307 states and 401 transitions. [2024-11-19 14:57:47,816 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 307 [2024-11-19 14:57:47,817 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 307 [2024-11-19 14:57:47,840 INFO L73 IsDeterministic]: Start isDeterministic. Operand 307 states and 401 transitions. [2024-11-19 14:57:47,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:57:47,852 INFO L218 hiAutomatonCegarLoop]: Abstraction has 307 states and 401 transitions. [2024-11-19 14:57:47,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states and 401 transitions. [2024-11-19 14:57:47,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 307. [2024-11-19 14:57:47,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 307 states have (on average 1.3061889250814331) internal successors, (401), 306 states have internal predecessors, (401), 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 14:57:47,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 401 transitions. [2024-11-19 14:57:47,871 INFO L240 hiAutomatonCegarLoop]: Abstraction has 307 states and 401 transitions. [2024-11-19 14:57:47,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 14:57:47,875 INFO L425 stractBuchiCegarLoop]: Abstraction has 307 states and 401 transitions. [2024-11-19 14:57:47,875 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-19 14:57:47,875 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 307 states and 401 transitions. [2024-11-19 14:57:47,878 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 224 [2024-11-19 14:57:47,878 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:57:47,878 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:57:47,879 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:57:47,879 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 14:57:47,879 INFO L745 eck$LassoCheckResult]: Stem: 928#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 929#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~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 923#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 924#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; 1004#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~8#1 := main_#t~ret52#1;havoc main_#t~ret52#1; 941#L936 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 942#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#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; 986#L65-2 [2024-11-19 14:57:47,880 INFO L747 eck$LassoCheckResult]: Loop: 986#L65-2 assume !false; 1121#L66 assume test_~splverifierCounter~0#1 < 4; 1120#L67 havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 1118#L75 assume !(0 != test_~tmp~0#1); 1116#L75-2 havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 1115#L85 assume !(0 != test_~tmp___0~0#1); 898#L85-2 havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 899#L95 assume 0 != test_~tmp___2~0#1; 1002#L101-2 assume { :begin_inline_timeShift } true; 976#L138 assume !(0 != ~pumpRunning~0); 970#L138-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 983#L170 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 984#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 955#L170-1 havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 956#L145-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret20#1, __utac_acc__Specification3_spec__1_#t~ret21#1, __utac_acc__Specification3_spec__1_#t~ret22#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 1033#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret20#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret20#1;havoc __utac_acc__Specification3_spec__1_#t~ret20#1; 919#L327 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 920#getWaterLevel_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret21#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~2#1 := __utac_acc__Specification3_spec__1_#t~ret21#1;havoc __utac_acc__Specification3_spec__1_#t~ret21#1; 971#L333 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2#1); 974#L333-1 havoc __utac_acc__Specification3_spec__1_#t~ret20#1, __utac_acc__Specification3_spec__1_#t~ret21#1, __utac_acc__Specification3_spec__1_#t~ret22#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1023#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 986#L65-2 [2024-11-19 14:57:47,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:57:47,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-11-19 14:57:47,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:57:47,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645096421] [2024-11-19 14:57:47,881 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 14:57:47,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:57:47,893 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 14:57:47,893 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:57:47,893 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:57:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:47,899 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:57:47,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:57:47,900 INFO L85 PathProgramCache]: Analyzing trace with hash -322366475, now seen corresponding path program 1 times [2024-11-19 14:57:47,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:57:47,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173811658] [2024-11-19 14:57:47,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:57:47,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:57:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:47,907 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:57:47,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:47,911 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:57:47,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:57:47,912 INFO L85 PathProgramCache]: Analyzing trace with hash 129302705, now seen corresponding path program 1 times [2024-11-19 14:57:47,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:57:47,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497413121] [2024-11-19 14:57:47,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:57:47,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:57:47,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:47,920 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:57:47,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:47,929 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:57:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:48,560 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:57:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:57:48,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 02:57:48 BoogieIcfgContainer [2024-11-19 14:57:48,595 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-19 14:57:48,596 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 14:57:48,596 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 14:57:48,596 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 14:57:48,597 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:57:46" (3/4) ... [2024-11-19 14:57:48,598 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-19 14:57:48,649 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 14:57:48,649 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 14:57:48,649 INFO L158 Benchmark]: Toolchain (without parser) took 3606.49ms. Allocated memory is still 209.7MB. Free memory was 140.4MB in the beginning and 153.4MB in the end (delta: -13.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:57:48,649 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 121.6MB. Free memory is still 88.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:57:48,649 INFO L158 Benchmark]: CACSL2BoogieTranslator took 722.28ms. Allocated memory is still 209.7MB. Free memory was 140.2MB in the beginning and 119.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-19 14:57:48,650 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.23ms. Allocated memory is still 209.7MB. Free memory was 119.2MB in the beginning and 116.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:57:48,650 INFO L158 Benchmark]: Boogie Preprocessor took 130.12ms. Allocated memory is still 209.7MB. Free memory was 116.5MB in the beginning and 180.0MB in the end (delta: -63.5MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2024-11-19 14:57:48,650 INFO L158 Benchmark]: RCFGBuilder took 528.46ms. Allocated memory is still 209.7MB. Free memory was 179.9MB in the beginning and 159.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-19 14:57:48,650 INFO L158 Benchmark]: BuchiAutomizer took 2086.37ms. Allocated memory is still 209.7MB. Free memory was 159.0MB in the beginning and 155.5MB in the end (delta: 3.5MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2024-11-19 14:57:48,650 INFO L158 Benchmark]: Witness Printer took 52.80ms. Allocated memory is still 209.7MB. Free memory was 155.5MB in the beginning and 153.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:57:48,651 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 121.6MB. Free memory is still 88.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 722.28ms. Allocated memory is still 209.7MB. Free memory was 140.2MB in the beginning and 119.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.23ms. Allocated memory is still 209.7MB. Free memory was 119.2MB in the beginning and 116.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 130.12ms. Allocated memory is still 209.7MB. Free memory was 116.5MB in the beginning and 180.0MB in the end (delta: -63.5MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * RCFGBuilder took 528.46ms. Allocated memory is still 209.7MB. Free memory was 179.9MB in the beginning and 159.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 2086.37ms. Allocated memory is still 209.7MB. Free memory was 159.0MB in the beginning and 155.5MB in the end (delta: 3.5MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Witness Printer took 52.80ms. Allocated memory is still 209.7MB. Free memory was 155.5MB in the beginning and 153.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] - GenericResultAtLocation [Line: 121]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] - GenericResultAtLocation [Line: 315]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [315] - GenericResultAtLocation [Line: 351]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [351] - GenericResultAtLocation [Line: 360]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [360] - GenericResultAtLocation [Line: 398]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [398] - GenericResultAtLocation [Line: 764]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [764] - GenericResultAtLocation [Line: 853]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [853] * 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 307 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 94 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, 477 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 477 mSDsluCounter, 1099 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 837 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 77 IncrementalHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 262 mSDtfsCounter, 77 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 65]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L130] int pumpRunning = 0; [L131] int systemActive = 1; [L568] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L765] int waterLevel = 1; [L766] int methaneLevelCritical = 0; [L854] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L927] int retValue_acc ; [L928] int tmp ; [L932] FCALL select_helpers() [L933] FCALL select_features() [L934] CALL, EXPR valid_product() [L390] int retValue_acc ; [L393] retValue_acc = 1 [L394] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L934] RET, EXPR valid_product() [L934] tmp = valid_product() [L936] COND TRUE \read(tmp) [L938] FCALL setup() [L939] CALL runTest() [L921] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L110] CALL timeShift() [L138] COND FALSE !(\read(pumpRunning)) [L145] COND TRUE \read(systemActive) [L147] CALL processEnvironment() [L167] int tmp ; [L170] COND FALSE !(\read(pumpRunning)) [L185] FCALL processEnvironment__wrappee__base() [L147] RET processEnvironment() [L153] CALL __utac_acc__Specification3_spec__1() [L319] int tmp ; [L320] int tmp___0 ; [L321] int tmp___1 ; [L325] CALL, EXPR isMethaneLevelCritical() [L804] int retValue_acc ; [L807] retValue_acc = methaneLevelCritical [L808] return (retValue_acc); [L325] RET, EXPR isMethaneLevelCritical() [L325] tmp = isMethaneLevelCritical() [L327] COND FALSE !(\read(tmp)) [L331] CALL, EXPR getWaterLevel() [L836] int retValue_acc ; [L839] retValue_acc = waterLevel [L840] return (retValue_acc); [L331] RET, EXPR getWaterLevel() [L331] tmp___0 = getWaterLevel() [L333] COND FALSE !(tmp___0 == 2) [L153] RET __utac_acc__Specification3_spec__1() [L110] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 65]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L130] int pumpRunning = 0; [L131] int systemActive = 1; [L568] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L765] int waterLevel = 1; [L766] int methaneLevelCritical = 0; [L854] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L927] int retValue_acc ; [L928] int tmp ; [L932] FCALL select_helpers() [L933] FCALL select_features() [L934] CALL, EXPR valid_product() [L390] int retValue_acc ; [L393] retValue_acc = 1 [L394] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L934] RET, EXPR valid_product() [L934] tmp = valid_product() [L936] COND TRUE \read(tmp) [L938] FCALL setup() [L939] CALL runTest() [L921] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L110] CALL timeShift() [L138] COND FALSE !(\read(pumpRunning)) [L145] COND TRUE \read(systemActive) [L147] CALL processEnvironment() [L167] int tmp ; [L170] COND FALSE !(\read(pumpRunning)) [L185] FCALL processEnvironment__wrappee__base() [L147] RET processEnvironment() [L153] CALL __utac_acc__Specification3_spec__1() [L319] int tmp ; [L320] int tmp___0 ; [L321] int tmp___1 ; [L325] CALL, EXPR isMethaneLevelCritical() [L804] int retValue_acc ; [L807] retValue_acc = methaneLevelCritical [L808] return (retValue_acc); [L325] RET, EXPR isMethaneLevelCritical() [L325] tmp = isMethaneLevelCritical() [L327] COND FALSE !(\read(tmp)) [L331] CALL, EXPR getWaterLevel() [L836] int retValue_acc ; [L839] retValue_acc = waterLevel [L840] return (retValue_acc); [L331] RET, EXPR getWaterLevel() [L331] tmp___0 = getWaterLevel() [L333] COND FALSE !(tmp___0 == 2) [L153] RET __utac_acc__Specification3_spec__1() [L110] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-19 14:57:48,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)