./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product15.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c7c6ca5d 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_product15.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 9a3827b4b3d19f95c620af38f0e4f5ff9ca95e734fa5646c78162250800aed09 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 16:02:40,802 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 16:02:40,874 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-09 16:02:40,879 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 16:02:40,882 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 16:02:40,908 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 16:02:40,909 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 16:02:40,909 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 16:02:40,910 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 16:02:40,911 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 16:02:40,912 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 16:02:40,913 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 16:02:40,913 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 16:02:40,914 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-09 16:02:40,914 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-09 16:02:40,917 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-09 16:02:40,917 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-09 16:02:40,918 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-09 16:02:40,918 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-09 16:02:40,918 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 16:02:40,918 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-09 16:02:40,919 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 16:02:40,919 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 16:02:40,919 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 16:02:40,920 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 16:02:40,920 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-09 16:02:40,920 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-09 16:02:40,920 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-09 16:02:40,920 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 16:02:40,921 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 16:02:40,921 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 16:02:40,921 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 16:02:40,921 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-09 16:02:40,922 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 16:02:40,922 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 16:02:40,923 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 16:02:40,924 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 16:02:40,924 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 16:02:40,924 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-09 16:02:40,925 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a3827b4b3d19f95c620af38f0e4f5ff9ca95e734fa5646c78162250800aed09 [2024-11-09 16:02:41,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 16:02:41,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 16:02:41,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 16:02:41,221 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 16:02:41,222 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 16:02:41,223 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product15.cil.c [2024-11-09 16:02:42,697 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 16:02:42,924 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 16:02:42,925 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product15.cil.c [2024-11-09 16:02:42,945 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0a95e448/f4a25f680dd34d178d8195022eef1301/FLAG2fc73107a [2024-11-09 16:02:42,959 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0a95e448/f4a25f680dd34d178d8195022eef1301 [2024-11-09 16:02:42,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 16:02:42,963 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 16:02:42,964 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 16:02:42,964 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 16:02:42,970 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 16:02:42,970 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:02:42" (1/1) ... [2024-11-09 16:02:42,971 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7769cc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:02:42, skipping insertion in model container [2024-11-09 16:02:42,971 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:02:42" (1/1) ... [2024-11-09 16:02:43,015 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 16:02:43,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 16:02:43,292 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 16:02:43,301 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2024-11-09 16:02:43,303 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [224] [2024-11-09 16:02:43,303 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [294] [2024-11-09 16:02:43,303 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [660] [2024-11-09 16:02:43,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [741] [2024-11-09 16:02:43,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [840] [2024-11-09 16:02:43,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [875] [2024-11-09 16:02:43,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [884] [2024-11-09 16:02:43,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 16:02:43,379 INFO L204 MainTranslator]: Completed translation [2024-11-09 16:02:43,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:02:43 WrapperNode [2024-11-09 16:02:43,380 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 16:02:43,381 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 16:02:43,381 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 16:02:43,381 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 16:02:43,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:02:43" (1/1) ... [2024-11-09 16:02:43,405 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:02:43" (1/1) ... [2024-11-09 16:02:43,447 INFO L138 Inliner]: procedures = 52, calls = 98, calls flagged for inlining = 51, calls inlined = 55, statements flattened = 349 [2024-11-09 16:02:43,447 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 16:02:43,448 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 16:02:43,448 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 16:02:43,449 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 16:02:43,463 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:02:43" (1/1) ... [2024-11-09 16:02:43,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:02:43" (1/1) ... [2024-11-09 16:02:43,467 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:02:43" (1/1) ... [2024-11-09 16:02:43,499 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]. [2024-11-09 16:02:43,503 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:02:43" (1/1) ... [2024-11-09 16:02:43,504 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:02:43" (1/1) ... [2024-11-09 16:02:43,514 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:02:43" (1/1) ... [2024-11-09 16:02:43,524 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:02:43" (1/1) ... [2024-11-09 16:02:43,526 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:02:43" (1/1) ... [2024-11-09 16:02:43,528 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:02:43" (1/1) ... [2024-11-09 16:02:43,531 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 16:02:43,532 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 16:02:43,533 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 16:02:43,533 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 16:02:43,534 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:02:43" (1/1) ... [2024-11-09 16:02:43,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 16:02:43,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 16:02:43,565 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) [2024-11-09 16:02:43,567 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 [2024-11-09 16:02:43,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 16:02:43,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 16:02:43,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 16:02:43,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 16:02:43,670 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 16:02:43,672 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 16:02:43,975 INFO L? ?]: Removed 73 outVars from TransFormulas that were not future-live. [2024-11-09 16:02:43,975 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 16:02:44,020 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 16:02:44,021 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 16:02:44,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:02:44 BoogieIcfgContainer [2024-11-09 16:02:44,021 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 16:02:44,022 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-09 16:02:44,022 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-09 16:02:44,030 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-09 16:02:44,031 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 16:02:44,031 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 04:02:42" (1/3) ... [2024-11-09 16:02:44,032 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47b466fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 04:02:44, skipping insertion in model container [2024-11-09 16:02:44,033 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 16:02:44,033 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:02:43" (2/3) ... [2024-11-09 16:02:44,035 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47b466fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 04:02:44, skipping insertion in model container [2024-11-09 16:02:44,035 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 16:02:44,036 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:02:44" (3/3) ... [2024-11-09 16:02:44,037 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product15.cil.c [2024-11-09 16:02:44,091 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-09 16:02:44,091 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-09 16:02:44,091 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-09 16:02:44,091 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-09 16:02:44,091 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-09 16:02:44,091 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-09 16:02:44,091 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-09 16:02:44,092 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-09 16:02:44,095 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 109 states, 108 states have (on average 1.3518518518518519) internal successors, (146), 108 states have internal predecessors, (146), 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) [2024-11-09 16:02:44,117 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2024-11-09 16:02:44,117 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 16:02:44,117 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 16:02:44,123 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:02:44,123 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:02:44,123 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-09 16:02:44,124 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 109 states, 108 states have (on average 1.3518518518518519) internal successors, (146), 108 states have internal predecessors, (146), 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) [2024-11-09 16:02:44,129 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2024-11-09 16:02:44,129 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 16:02:44,129 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 16:02:44,130 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:02:44,130 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:02:44,136 INFO L745 eck$LassoCheckResult]: Stem: 20#$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; 28#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~7#1, main_~tmp~6#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 14#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 84#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; 73#valid_product_returnLabel#1true main_#t~ret47#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret47#1;havoc main_#t~ret47#1; 109#L827true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 54#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 78#L238-2true [2024-11-09 16:02:44,137 INFO L747 eck$LassoCheckResult]: Loop: 78#L238-2true assume !false; 19#L239true assume test_~splverifierCounter~0#1 < 4; 15#L240true havoc test_#t~nondet15#1;test_~tmp~2#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 107#L248true assume !(0 != test_~tmp~2#1); 25#L248-2true havoc test_#t~nondet16#1;test_~tmp___0~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 21#L258true assume !(0 != test_~tmp___0~0#1); 57#L258-2true havoc test_#t~nondet17#1;test_~tmp___2~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 11#L268true assume 0 != test_~tmp___2~0#1; 103#L274-2true assume { :begin_inline_timeShift } true; 94#L67true assume !(0 != ~pumpRunning~0); 10#L67-2true assume !(0 != ~systemActive~0); 81#L74-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret48#1, __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 52#isMethaneLevelCritical_returnLabel#2true __utac_acc__Specification3_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret48#1;havoc __utac_acc__Specification3_spec__1_#t~ret48#1; 61#L851true assume 0 != __utac_acc__Specification3_spec__1_~tmp~7#1; 108#L857-1true havoc __utac_acc__Specification3_spec__1_#t~ret48#1, __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 44#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 78#L238-2true [2024-11-09 16:02:44,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:02:44,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-09 16:02:44,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:02:44,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703846747] [2024-11-09 16:02:44,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:02:44,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:02:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:02:44,265 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:02:44,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:02:44,312 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:02:44,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:02:44,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1841882410, now seen corresponding path program 1 times [2024-11-09 16:02:44,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:02:44,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784545744] [2024-11-09 16:02:44,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:02:44,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:02:44,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:02:44,330 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:02:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:02:44,340 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:02:44,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:02:44,345 INFO L85 PathProgramCache]: Analyzing trace with hash -486463334, now seen corresponding path program 1 times [2024-11-09 16:02:44,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:02:44,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333153196] [2024-11-09 16:02:44,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:02:44,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:02:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 16:02:44,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 16:02:44,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 16:02:44,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333153196] [2024-11-09 16:02:44,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333153196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 16:02:44,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 16:02:44,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 16:02:44,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92205037] [2024-11-09 16:02:44,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 16:02:44,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 16:02:44,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 16:02:44,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 16:02:44,651 INFO L87 Difference]: Start difference. First operand has 109 states, 108 states have (on average 1.3518518518518519) internal successors, (146), 108 states have internal predecessors, (146), 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) [2024-11-09 16:02:44,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 16:02:44,761 INFO L93 Difference]: Finished difference Result 269 states and 344 transitions. [2024-11-09 16:02:44,762 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 269 states and 344 transitions. [2024-11-09 16:02:44,769 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 171 [2024-11-09 16:02:44,775 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 269 states to 239 states and 314 transitions. [2024-11-09 16:02:44,776 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 239 [2024-11-09 16:02:44,777 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 239 [2024-11-09 16:02:44,777 INFO L73 IsDeterministic]: Start isDeterministic. Operand 239 states and 314 transitions. [2024-11-09 16:02:44,778 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 16:02:44,778 INFO L218 hiAutomatonCegarLoop]: Abstraction has 239 states and 314 transitions. [2024-11-09 16:02:44,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states and 314 transitions. [2024-11-09 16:02:44,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 151. [2024-11-09 16:02:44,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 151 states have (on average 1.3178807947019868) internal successors, (199), 150 states have internal predecessors, (199), 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) [2024-11-09 16:02:44,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 199 transitions. [2024-11-09 16:02:44,806 INFO L240 hiAutomatonCegarLoop]: Abstraction has 151 states and 199 transitions. [2024-11-09 16:02:44,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 16:02:44,810 INFO L425 stractBuchiCegarLoop]: Abstraction has 151 states and 199 transitions. [2024-11-09 16:02:44,810 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-09 16:02:44,810 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 151 states and 199 transitions. [2024-11-09 16:02:44,812 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 108 [2024-11-09 16:02:44,812 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 16:02:44,812 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 16:02:44,813 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:02:44,813 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] [2024-11-09 16:02:44,813 INFO L745 eck$LassoCheckResult]: Stem: 456#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 457#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~7#1, main_~tmp~6#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~6#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~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; 439#valid_product_returnLabel#1 main_#t~ret47#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret47#1;havoc main_#t~ret47#1; 440#L827 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 396#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 397#L238-2 [2024-11-09 16:02:44,813 INFO L747 eck$LassoCheckResult]: Loop: 397#L238-2 assume !false; 455#L239 assume test_~splverifierCounter~0#1 < 4; 448#L240 havoc test_#t~nondet15#1;test_~tmp~2#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 449#L248 assume !(0 != test_~tmp~2#1); 467#L248-2 havoc test_#t~nondet16#1;test_~tmp___0~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 460#L258 assume !(0 != test_~tmp___0~0#1); 405#L258-2 havoc test_#t~nondet17#1;test_~tmp___2~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 406#L268 assume 0 != test_~tmp___2~0#1; 434#L274-2 assume { :begin_inline_timeShift } true; 480#L67 assume !(0 != ~pumpRunning~0); 421#L67-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret4#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 422#L99 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 471#processEnvironment__wrappee__methaneQuery_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 472#L99-1 havoc processEnvironment_#t~ret4#1, processEnvironment_~tmp~0#1;assume { :end_inline_processEnvironment } true; 458#L74-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret48#1, __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 459#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification3_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret48#1;havoc __utac_acc__Specification3_spec__1_#t~ret48#1; 418#L851 assume 0 != __utac_acc__Specification3_spec__1_~tmp~7#1; 419#L857-1 havoc __utac_acc__Specification3_spec__1_#t~ret48#1, __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 487#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 397#L238-2 [2024-11-09 16:02:44,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:02:44,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-09 16:02:44,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:02:44,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328428050] [2024-11-09 16:02:44,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:02:44,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:02:44,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:02:44,823 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:02:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:02:44,835 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:02:44,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:02:44,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1752598624, now seen corresponding path program 1 times [2024-11-09 16:02:44,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:02:44,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168204116] [2024-11-09 16:02:44,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:02:44,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:02:44,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:02:44,843 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:02:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:02:44,858 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:02:44,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:02:44,860 INFO L85 PathProgramCache]: Analyzing trace with hash 549544796, now seen corresponding path program 1 times [2024-11-09 16:02:44,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:02:44,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447609026] [2024-11-09 16:02:44,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:02:44,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:02:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 16:02:45,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 16:02:45,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 16:02:45,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447609026] [2024-11-09 16:02:45,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447609026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 16:02:45,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 16:02:45,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 16:02:45,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6487920] [2024-11-09 16:02:45,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 16:02:45,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 16:02:45,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 16:02:45,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 16:02:45,066 INFO L87 Difference]: Start difference. First operand 151 states and 199 transitions. cyclomatic complexity: 51 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) [2024-11-09 16:02:45,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 16:02:45,204 INFO L93 Difference]: Finished difference Result 295 states and 383 transitions. [2024-11-09 16:02:45,204 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 295 states and 383 transitions. [2024-11-09 16:02:45,213 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 216 [2024-11-09 16:02:45,219 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 295 states to 295 states and 383 transitions. [2024-11-09 16:02:45,222 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 295 [2024-11-09 16:02:45,223 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 295 [2024-11-09 16:02:45,223 INFO L73 IsDeterministic]: Start isDeterministic. Operand 295 states and 383 transitions. [2024-11-09 16:02:45,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 16:02:45,224 INFO L218 hiAutomatonCegarLoop]: Abstraction has 295 states and 383 transitions. [2024-11-09 16:02:45,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states and 383 transitions. [2024-11-09 16:02:45,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2024-11-09 16:02:45,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 295 states have (on average 1.2983050847457627) internal successors, (383), 294 states have internal predecessors, (383), 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) [2024-11-09 16:02:45,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 383 transitions. [2024-11-09 16:02:45,249 INFO L240 hiAutomatonCegarLoop]: Abstraction has 295 states and 383 transitions. [2024-11-09 16:02:45,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 16:02:45,250 INFO L425 stractBuchiCegarLoop]: Abstraction has 295 states and 383 transitions. [2024-11-09 16:02:45,250 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-09 16:02:45,250 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 295 states and 383 transitions. [2024-11-09 16:02:45,253 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 216 [2024-11-09 16:02:45,253 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 16:02:45,253 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 16:02:45,254 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:02:45,254 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] [2024-11-09 16:02:45,254 INFO L745 eck$LassoCheckResult]: Stem: 921#$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; 922#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~7#1, main_~tmp~6#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 908#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 909#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; 901#valid_product_returnLabel#1 main_#t~ret47#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret47#1;havoc main_#t~ret47#1; 902#L827 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 856#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 857#L238-2 [2024-11-09 16:02:45,254 INFO L747 eck$LassoCheckResult]: Loop: 857#L238-2 assume !false; 917#L239 assume test_~splverifierCounter~0#1 < 4; 918#L240 havoc test_#t~nondet15#1;test_~tmp~2#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 981#L248 assume !(0 != test_~tmp~2#1); 935#L248-2 havoc test_#t~nondet16#1;test_~tmp___0~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 925#L258 assume !(0 != test_~tmp___0~0#1); 927#L258-2 havoc test_#t~nondet17#1;test_~tmp___2~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 1083#L268 assume 0 != test_~tmp___2~0#1; 969#L274-2 assume { :begin_inline_timeShift } true; 970#L67 assume !(0 != ~pumpRunning~0); 881#L67-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret4#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 882#L99 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 1038#processEnvironment__wrappee__methaneQuery_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 947#L99-1 havoc processEnvironment_#t~ret4#1, processEnvironment_~tmp~0#1;assume { :end_inline_processEnvironment } true; 923#L74-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret48#1, __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 924#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification3_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret48#1;havoc __utac_acc__Specification3_spec__1_#t~ret48#1; 879#L851 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 880#getWaterLevel_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~1#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1; 928#L857 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~1#1); 930#L857-1 havoc __utac_acc__Specification3_spec__1_#t~ret48#1, __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 976#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 857#L238-2 [2024-11-09 16:02:45,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:02:45,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-11-09 16:02:45,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:02:45,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796046242] [2024-11-09 16:02:45,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:02:45,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:02:45,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:02:45,263 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:02:45,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:02:45,273 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:02:45,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:02:45,274 INFO L85 PathProgramCache]: Analyzing trace with hash -618905707, now seen corresponding path program 1 times [2024-11-09 16:02:45,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:02:45,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521022710] [2024-11-09 16:02:45,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:02:45,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:02:45,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:02:45,284 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:02:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:02:45,293 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:02:45,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:02:45,294 INFO L85 PathProgramCache]: Analyzing trace with hash -167236527, now seen corresponding path program 1 times [2024-11-09 16:02:45,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:02:45,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320343117] [2024-11-09 16:02:45,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:02:45,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:02:45,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:02:45,314 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:02:45,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:02:45,330 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:02:46,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:02:46,131 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:02:46,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:02:46,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 04:02:46 BoogieIcfgContainer [2024-11-09 16:02:46,188 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-09 16:02:46,189 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 16:02:46,189 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 16:02:46,189 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 16:02:46,190 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:02:44" (3/4) ... [2024-11-09 16:02:46,193 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-09 16:02:46,241 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 16:02:46,241 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 16:02:46,242 INFO L158 Benchmark]: Toolchain (without parser) took 3279.18ms. Allocated memory is still 195.0MB. Free memory was 122.1MB in the beginning and 67.9MB in the end (delta: 54.2MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2024-11-09 16:02:46,242 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 195.0MB. Free memory is still 154.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 16:02:46,243 INFO L158 Benchmark]: CACSL2BoogieTranslator took 415.97ms. Allocated memory is still 195.0MB. Free memory was 121.8MB in the beginning and 101.2MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 16:02:46,243 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.94ms. Allocated memory is still 195.0MB. Free memory was 101.2MB in the beginning and 98.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 16:02:46,243 INFO L158 Benchmark]: Boogie Preprocessor took 82.61ms. Allocated memory is still 195.0MB. Free memory was 98.3MB in the beginning and 95.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 16:02:46,244 INFO L158 Benchmark]: RCFGBuilder took 488.96ms. Allocated memory is still 195.0MB. Free memory was 95.8MB in the beginning and 161.8MB in the end (delta: -66.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-09 16:02:46,244 INFO L158 Benchmark]: BuchiAutomizer took 2166.62ms. Allocated memory is still 195.0MB. Free memory was 161.8MB in the beginning and 70.9MB in the end (delta: 90.9MB). Peak memory consumption was 90.7MB. Max. memory is 16.1GB. [2024-11-09 16:02:46,244 INFO L158 Benchmark]: Witness Printer took 52.55ms. Allocated memory is still 195.0MB. Free memory was 70.9MB in the beginning and 67.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 16:02:46,246 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 195.0MB. Free memory is still 154.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 415.97ms. Allocated memory is still 195.0MB. Free memory was 121.8MB in the beginning and 101.2MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.94ms. Allocated memory is still 195.0MB. Free memory was 101.2MB in the beginning and 98.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.61ms. Allocated memory is still 195.0MB. Free memory was 98.3MB in the beginning and 95.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 488.96ms. Allocated memory is still 195.0MB. Free memory was 95.8MB in the beginning and 161.8MB in the end (delta: -66.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 2166.62ms. Allocated memory is still 195.0MB. Free memory was 161.8MB in the beginning and 70.9MB in the end (delta: 90.9MB). Peak memory consumption was 90.7MB. Max. memory is 16.1GB. * Witness Printer took 52.55ms. Allocated memory is still 195.0MB. Free memory was 70.9MB in the beginning and 67.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] - GenericResultAtLocation [Line: 224]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [224] - GenericResultAtLocation [Line: 294]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [294] - GenericResultAtLocation [Line: 660]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [660] - GenericResultAtLocation [Line: 741]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [741] - GenericResultAtLocation [Line: 840]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [840] - GenericResultAtLocation [Line: 875]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [875] - GenericResultAtLocation [Line: 884]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [884] * 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 295 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 88 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, 441 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 441 mSDsluCounter, 1006 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 768 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 98 IncrementalHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 238 mSDtfsCounter, 98 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: 238]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L59] int pumpRunning = 0; [L60] int systemActive = 1; [L464] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L662] int waterLevel = 1; [L663] int methaneLevelCritical = 0; [L742] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L818] int retValue_acc ; [L819] int tmp ; [L823] FCALL select_helpers() [L824] FCALL select_features() [L825] CALL, EXPR valid_product() [L911] int retValue_acc ; [L914] retValue_acc = 1 [L915] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L825] RET, EXPR valid_product() [L825] tmp = valid_product() [L827] COND TRUE \read(tmp) [L829] FCALL setup() [L830] CALL runTest() [L809] CALL test() [L229] int splverifierCounter ; [L230] int tmp ; [L231] int tmp___0 ; [L232] int tmp___1 ; [L233] int tmp___2 ; [L236] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L238] COND TRUE 1 [L240] COND TRUE splverifierCounter < 4 [L246] tmp = __VERIFIER_nondet_int() [L248] COND FALSE !(\read(tmp)) [L256] tmp___0 = __VERIFIER_nondet_int() [L258] COND FALSE !(\read(tmp___0)) [L266] tmp___2 = __VERIFIER_nondet_int() [L268] COND TRUE \read(tmp___2) [L283] CALL timeShift() [L67] COND FALSE !(\read(pumpRunning)) [L74] COND TRUE \read(systemActive) [L76] CALL processEnvironment() [L96] int tmp ; [L99] COND FALSE !(\read(pumpRunning)) [L114] FCALL processEnvironment__wrappee__methaneQuery() [L76] RET processEnvironment() [L82] CALL __utac_acc__Specification3_spec__1() [L843] int tmp ; [L844] int tmp___0 ; [L845] int tmp___1 ; [L849] CALL, EXPR isMethaneLevelCritical() [L701] int retValue_acc ; [L704] retValue_acc = methaneLevelCritical [L705] return (retValue_acc); [L849] RET, EXPR isMethaneLevelCritical() [L849] tmp = isMethaneLevelCritical() [L851] COND FALSE !(\read(tmp)) [L855] CALL, EXPR getWaterLevel() [L733] int retValue_acc ; [L736] retValue_acc = waterLevel [L737] return (retValue_acc); [L855] RET, EXPR getWaterLevel() [L855] tmp___0 = getWaterLevel() [L857] COND FALSE !(tmp___0 == 2) [L82] RET __utac_acc__Specification3_spec__1() [L283] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 238]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L59] int pumpRunning = 0; [L60] int systemActive = 1; [L464] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L662] int waterLevel = 1; [L663] int methaneLevelCritical = 0; [L742] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L818] int retValue_acc ; [L819] int tmp ; [L823] FCALL select_helpers() [L824] FCALL select_features() [L825] CALL, EXPR valid_product() [L911] int retValue_acc ; [L914] retValue_acc = 1 [L915] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L825] RET, EXPR valid_product() [L825] tmp = valid_product() [L827] COND TRUE \read(tmp) [L829] FCALL setup() [L830] CALL runTest() [L809] CALL test() [L229] int splverifierCounter ; [L230] int tmp ; [L231] int tmp___0 ; [L232] int tmp___1 ; [L233] int tmp___2 ; [L236] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L238] COND TRUE 1 [L240] COND TRUE splverifierCounter < 4 [L246] tmp = __VERIFIER_nondet_int() [L248] COND FALSE !(\read(tmp)) [L256] tmp___0 = __VERIFIER_nondet_int() [L258] COND FALSE !(\read(tmp___0)) [L266] tmp___2 = __VERIFIER_nondet_int() [L268] COND TRUE \read(tmp___2) [L283] CALL timeShift() [L67] COND FALSE !(\read(pumpRunning)) [L74] COND TRUE \read(systemActive) [L76] CALL processEnvironment() [L96] int tmp ; [L99] COND FALSE !(\read(pumpRunning)) [L114] FCALL processEnvironment__wrappee__methaneQuery() [L76] RET processEnvironment() [L82] CALL __utac_acc__Specification3_spec__1() [L843] int tmp ; [L844] int tmp___0 ; [L845] int tmp___1 ; [L849] CALL, EXPR isMethaneLevelCritical() [L701] int retValue_acc ; [L704] retValue_acc = methaneLevelCritical [L705] return (retValue_acc); [L849] RET, EXPR isMethaneLevelCritical() [L849] tmp = isMethaneLevelCritical() [L851] COND FALSE !(\read(tmp)) [L855] CALL, EXPR getWaterLevel() [L733] int retValue_acc ; [L736] retValue_acc = waterLevel [L737] return (retValue_acc); [L855] RET, EXPR getWaterLevel() [L855] tmp___0 = getWaterLevel() [L857] COND FALSE !(tmp___0 == 2) [L82] RET __utac_acc__Specification3_spec__1() [L283] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-09 16:02:46,277 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)