./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 50277b719902a0a4cf598e31b0e94effb6529c58c9c4208972d6754269dc97f6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-12 00:58:24,552 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 00:58:24,604 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-12 00:58:24,607 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 00:58:24,608 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 00:58:24,622 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 00:58:24,623 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 00:58:24,623 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 00:58:24,623 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 00:58:24,624 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 00:58:24,624 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 00:58:24,624 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 00:58:24,624 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 00:58:24,625 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-12 00:58:24,625 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-12 00:58:24,625 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-12 00:58:24,625 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-12 00:58:24,625 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-12 00:58:24,626 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-12 00:58:24,626 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 00:58:24,626 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-12 00:58:24,627 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-12 00:58:24,627 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 00:58:24,627 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-12 00:58:24,628 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 00:58:24,628 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-12 00:58:24,628 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-12 00:58:24,628 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-12 00:58:24,628 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 00:58:24,629 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-12 00:58:24,629 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-12 00:58:24,629 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 00:58:24,629 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-12 00:58:24,629 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 00:58:24,630 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 00:58:24,630 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 00:58:24,630 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 00:58:24,630 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 00:58:24,631 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-12 00:58:24,631 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50277b719902a0a4cf598e31b0e94effb6529c58c9c4208972d6754269dc97f6 [2024-10-12 00:58:24,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 00:58:24,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 00:58:24,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 00:58:24,860 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 00:58:24,860 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 00:58:24,861 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c [2024-10-12 00:58:26,024 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 00:58:26,252 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 00:58:26,253 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c [2024-10-12 00:58:26,264 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/032e25b3f/4367cd143d6d44379ef832ff0a8ac640/FLAG81c06b92b [2024-10-12 00:58:26,275 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/032e25b3f/4367cd143d6d44379ef832ff0a8ac640 [2024-10-12 00:58:26,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 00:58:26,278 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 00:58:26,278 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 00:58:26,279 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 00:58:26,283 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 00:58:26,284 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:58:26" (1/1) ... [2024-10-12 00:58:26,285 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@148c716c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:58:26, skipping insertion in model container [2024-10-12 00:58:26,286 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:58:26" (1/1) ... [2024-10-12 00:58:26,316 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 00:58:26,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:58:26,550 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 00:58:26,557 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-10-12 00:58:26,558 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [135] [2024-10-12 00:58:26,559 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [239] [2024-10-12 00:58:26,559 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [274] [2024-10-12 00:58:26,559 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [640] [2024-10-12 00:58:26,559 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [691] [2024-10-12 00:58:26,559 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [756] [2024-10-12 00:58:26,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [868] [2024-10-12 00:58:26,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:58:26,624 INFO L204 MainTranslator]: Completed translation [2024-10-12 00:58:26,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:58:26 WrapperNode [2024-10-12 00:58:26,625 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 00:58:26,626 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 00:58:26,626 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 00:58:26,626 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 00:58:26,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:58:26" (1/1) ... [2024-10-12 00:58:26,647 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:58:26" (1/1) ... [2024-10-12 00:58:26,670 INFO L138 Inliner]: procedures = 51, calls = 92, calls flagged for inlining = 45, calls inlined = 42, statements flattened = 268 [2024-10-12 00:58:26,670 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 00:58:26,673 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 00:58:26,674 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 00:58:26,674 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 00:58:26,682 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:58:26" (1/1) ... [2024-10-12 00:58:26,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:58:26" (1/1) ... [2024-10-12 00:58:26,684 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:58:26" (1/1) ... [2024-10-12 00:58:26,694 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]. [2024-10-12 00:58:26,694 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:58:26" (1/1) ... [2024-10-12 00:58:26,695 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:58:26" (1/1) ... [2024-10-12 00:58:26,698 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:58:26" (1/1) ... [2024-10-12 00:58:26,702 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:58:26" (1/1) ... [2024-10-12 00:58:26,703 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:58:26" (1/1) ... [2024-10-12 00:58:26,704 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:58:26" (1/1) ... [2024-10-12 00:58:26,706 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 00:58:26,707 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 00:58:26,707 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 00:58:26,707 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 00:58:26,708 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:58:26" (1/1) ... [2024-10-12 00:58:26,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:58:26,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:58:26,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:58:26,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-12 00:58:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 00:58:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-12 00:58:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 00:58:26,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 00:58:26,844 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 00:58:26,846 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 00:58:27,076 INFO L? ?]: Removed 49 outVars from TransFormulas that were not future-live. [2024-10-12 00:58:27,077 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 00:58:27,087 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 00:58:27,088 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-12 00:58:27,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:58:27 BoogieIcfgContainer [2024-10-12 00:58:27,088 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 00:58:27,089 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-12 00:58:27,089 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-12 00:58:27,091 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-12 00:58:27,092 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:58:27,092 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.10 12:58:26" (1/3) ... [2024-10-12 00:58:27,093 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e1c523d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 12:58:27, skipping insertion in model container [2024-10-12 00:58:27,093 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:58:27,093 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:58:26" (2/3) ... [2024-10-12 00:58:27,093 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e1c523d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 12:58:27, skipping insertion in model container [2024-10-12 00:58:27,093 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:58:27,093 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:58:27" (3/3) ... [2024-10-12 00:58:27,094 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product01.cil.c [2024-10-12 00:58:27,142 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-12 00:58:27,142 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-12 00:58:27,143 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-12 00:58:27,143 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-12 00:58:27,143 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-12 00:58:27,143 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-12 00:58:27,143 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-12 00:58:27,143 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-12 00:58:27,146 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 88 states, 87 states have (on average 1.3563218390804597) internal successors, (118), 87 states have internal predecessors, (118), 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) [2024-10-12 00:58:27,164 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 54 [2024-10-12 00:58:27,166 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:58:27,166 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:58:27,170 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 00:58:27,171 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 00:58:27,171 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-12 00:58:27,172 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 88 states, 87 states have (on average 1.3563218390804597) internal successors, (118), 87 states have internal predecessors, (118), 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) [2024-10-12 00:58:27,176 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 54 [2024-10-12 00:58:27,176 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:58:27,176 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:58:27,176 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 00:58:27,176 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 00:58:27,180 INFO L745 eck$LassoCheckResult]: Stem: 36#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 44#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 30#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 42#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; 26#valid_product_returnLabel#1true main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 16#L226true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 5#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 61#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 47#L702-2true [2024-10-12 00:58:27,181 INFO L747 eck$LassoCheckResult]: Loop: 47#L702-2true assume !false; 17#L703true assume test_~splverifierCounter~0#1 < 4; 66#L704true havoc test_#t~nondet37#1;test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 78#L712true assume !(0 != test_~tmp~5#1); 68#L712-2true havoc test_#t~nondet38#1;test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 72#L722true assume !(0 != test_~tmp___0~1#1); 81#L722-2true havoc test_#t~nondet39#1;test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 33#L732true assume 0 != test_~tmp___2~0#1; 56#L738-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret34#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 55#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret34#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret34#1;havoc __utac_acc__Specification5_spec__2_#t~ret34#1; 19#__utac_acc__Specification5_spec__2_returnLabel#1true havoc __utac_acc__Specification5_spec__2_#t~ret34#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 52#L769true assume !(0 != ~pumpRunning~0); 20#L769-2true assume !(0 != ~systemActive~0); 9#L776-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret35#1, __utac_acc__Specification5_spec__3_#t~ret36#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 74#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret35#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret35#1;havoc __utac_acc__Specification5_spec__3_#t~ret35#1; 57#L670true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4#1); 21#L670-1true havoc __utac_acc__Specification5_spec__3_#t~ret35#1, __utac_acc__Specification5_spec__3_#t~ret36#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 75#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 47#L702-2true [2024-10-12 00:58:27,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:58:27,188 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-10-12 00:58:27,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:58:27,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49361675] [2024-10-12 00:58:27,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:58:27,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:58:27,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:58:27,283 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:58:27,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:58:27,313 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:58:27,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:58:27,315 INFO L85 PathProgramCache]: Analyzing trace with hash -638815666, now seen corresponding path program 1 times [2024-10-12 00:58:27,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:58:27,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358161785] [2024-10-12 00:58:27,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:58:27,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:58:27,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:58:27,327 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:58:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:58:27,337 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:58:27,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:58:27,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1978168073, now seen corresponding path program 1 times [2024-10-12 00:58:27,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:58:27,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836169674] [2024-10-12 00:58:27,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:58:27,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:58:27,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:58:27,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:58:27,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:58:27,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836169674] [2024-10-12 00:58:27,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836169674] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:58:27,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:58:27,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-12 00:58:27,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983413215] [2024-10-12 00:58:27,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:58:27,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:58:27,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-12 00:58:27,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-12 00:58:27,657 INFO L87 Difference]: Start difference. First operand has 88 states, 87 states have (on average 1.3563218390804597) internal successors, (118), 87 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:58:27,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 00:58:27,716 INFO L93 Difference]: Finished difference Result 82 states and 101 transitions. [2024-10-12 00:58:27,717 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 82 states and 101 transitions. [2024-10-12 00:58:27,722 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 48 [2024-10-12 00:58:27,725 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 82 states to 72 states and 91 transitions. [2024-10-12 00:58:27,726 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 72 [2024-10-12 00:58:27,726 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 72 [2024-10-12 00:58:27,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 72 states and 91 transitions. [2024-10-12 00:58:27,727 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:58:27,727 INFO L218 hiAutomatonCegarLoop]: Abstraction has 72 states and 91 transitions. [2024-10-12 00:58:27,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states and 91 transitions. [2024-10-12 00:58:27,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-10-12 00:58:27,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 72 states have (on average 1.2638888888888888) internal successors, (91), 71 states have internal predecessors, (91), 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) [2024-10-12 00:58:27,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 91 transitions. [2024-10-12 00:58:27,748 INFO L240 hiAutomatonCegarLoop]: Abstraction has 72 states and 91 transitions. [2024-10-12 00:58:27,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 00:58:27,752 INFO L425 stractBuchiCegarLoop]: Abstraction has 72 states and 91 transitions. [2024-10-12 00:58:27,752 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-12 00:58:27,752 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states and 91 transitions. [2024-10-12 00:58:27,753 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 48 [2024-10-12 00:58:27,756 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:58:27,756 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:58:27,757 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 00:58:27,757 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 00:58:27,758 INFO L745 eck$LassoCheckResult]: Stem: 238#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 239#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 231#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 232#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; 227#valid_product_returnLabel#1 main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 207#L226 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 190#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 191#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 246#L702-2 [2024-10-12 00:58:27,758 INFO L747 eck$LassoCheckResult]: Loop: 246#L702-2 assume !false; 211#L703 assume test_~splverifierCounter~0#1 < 4; 212#L704 havoc test_#t~nondet37#1;test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 257#L712 assume !(0 != test_~tmp~5#1); 244#L712-2 havoc test_#t~nondet38#1;test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 258#L722 assume !(0 != test_~tmp___0~1#1); 259#L722-2 havoc test_#t~nondet39#1;test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 233#L732 assume 0 != test_~tmp___2~0#1; 234#L738-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret34#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 252#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret34#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret34#1;havoc __utac_acc__Specification5_spec__2_#t~ret34#1; 214#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret34#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 215#L769 assume !(0 != ~pumpRunning~0); 216#L769-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 217#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 195#L776-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret35#1, __utac_acc__Specification5_spec__3_#t~ret36#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 196#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret35#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret35#1;havoc __utac_acc__Specification5_spec__3_#t~ret35#1; 253#L670 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4#1); 218#L670-1 havoc __utac_acc__Specification5_spec__3_#t~ret35#1, __utac_acc__Specification5_spec__3_#t~ret36#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 219#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 246#L702-2 [2024-10-12 00:58:27,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:58:27,759 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-10-12 00:58:27,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:58:27,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138573487] [2024-10-12 00:58:27,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:58:27,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:58:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:58:27,775 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:58:27,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:58:27,789 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:58:27,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:58:27,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1995575123, now seen corresponding path program 1 times [2024-10-12 00:58:27,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:58:27,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326399517] [2024-10-12 00:58:27,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:58:27,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:58:27,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:58:27,799 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:58:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:58:27,804 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:58:27,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:58:27,804 INFO L85 PathProgramCache]: Analyzing trace with hash -565826780, now seen corresponding path program 1 times [2024-10-12 00:58:27,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:58:27,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559873835] [2024-10-12 00:58:27,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:58:27,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:58:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:58:27,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:58:27,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:58:27,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559873835] [2024-10-12 00:58:27,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559873835] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:58:27,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:58:27,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 00:58:27,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474627763] [2024-10-12 00:58:27,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:58:27,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:58:27,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 00:58:27,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-12 00:58:27,950 INFO L87 Difference]: Start difference. First operand 72 states and 91 transitions. cyclomatic complexity: 21 Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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) [2024-10-12 00:58:28,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 00:58:28,030 INFO L93 Difference]: Finished difference Result 135 states and 169 transitions. [2024-10-12 00:58:28,030 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 135 states and 169 transitions. [2024-10-12 00:58:28,032 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 95 [2024-10-12 00:58:28,037 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 135 states to 135 states and 169 transitions. [2024-10-12 00:58:28,037 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 135 [2024-10-12 00:58:28,038 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 135 [2024-10-12 00:58:28,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 135 states and 169 transitions. [2024-10-12 00:58:28,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:58:28,038 INFO L218 hiAutomatonCegarLoop]: Abstraction has 135 states and 169 transitions. [2024-10-12 00:58:28,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states and 169 transitions. [2024-10-12 00:58:28,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2024-10-12 00:58:28,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 135 states have (on average 1.2518518518518518) internal successors, (169), 134 states have internal predecessors, (169), 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) [2024-10-12 00:58:28,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 169 transitions. [2024-10-12 00:58:28,049 INFO L240 hiAutomatonCegarLoop]: Abstraction has 135 states and 169 transitions. [2024-10-12 00:58:28,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 00:58:28,049 INFO L425 stractBuchiCegarLoop]: Abstraction has 135 states and 169 transitions. [2024-10-12 00:58:28,050 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-12 00:58:28,050 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 135 states and 169 transitions. [2024-10-12 00:58:28,051 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 95 [2024-10-12 00:58:28,051 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:58:28,051 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:58:28,051 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 00:58:28,052 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] [2024-10-12 00:58:28,052 INFO L745 eck$LassoCheckResult]: Stem: 459#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 460#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 450#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 451#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; 448#valid_product_returnLabel#1 main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 428#L226 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 411#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 412#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 467#L702-2 [2024-10-12 00:58:28,052 INFO L747 eck$LassoCheckResult]: Loop: 467#L702-2 assume !false; 429#L703 assume test_~splverifierCounter~0#1 < 4; 430#L704 havoc test_#t~nondet37#1;test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 480#L712 assume !(0 != test_~tmp~5#1); 485#L712-2 havoc test_#t~nondet38#1;test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 510#L722 assume !(0 != test_~tmp___0~1#1); 508#L722-2 havoc test_#t~nondet39#1;test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 506#L732 assume 0 != test_~tmp___2~0#1; 505#L738-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret34#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 504#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret34#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret34#1;havoc __utac_acc__Specification5_spec__2_#t~ret34#1; 503#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret34#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 501#L769 assume !(0 != ~pumpRunning~0); 500#L769-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 499#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 498#L776-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret35#1, __utac_acc__Specification5_spec__3_#t~ret36#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 484#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret35#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret35#1;havoc __utac_acc__Specification5_spec__3_#t~ret35#1; 476#L670 assume 2 != __utac_acc__Specification5_spec__3_~tmp~4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 477#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret36#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret36#1;havoc __utac_acc__Specification5_spec__3_#t~ret36#1; 444#L674 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1); 439#L670-1 havoc __utac_acc__Specification5_spec__3_#t~ret35#1, __utac_acc__Specification5_spec__3_#t~ret36#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 440#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 467#L702-2 [2024-10-12 00:58:28,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:58:28,054 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2024-10-12 00:58:28,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:58:28,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106872698] [2024-10-12 00:58:28,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:58:28,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:58:28,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:58:28,067 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:58:28,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:58:28,073 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:58:28,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:58:28,073 INFO L85 PathProgramCache]: Analyzing trace with hash 2081681960, now seen corresponding path program 1 times [2024-10-12 00:58:28,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:58:28,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049833648] [2024-10-12 00:58:28,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:58:28,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:58:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:58:28,080 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:58:28,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:58:28,084 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:58:28,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:58:28,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1680304863, now seen corresponding path program 1 times [2024-10-12 00:58:28,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:58:28,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075918893] [2024-10-12 00:58:28,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:58:28,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:58:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:58:28,099 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:58:28,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:58:28,110 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:58:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:58:28,778 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:58:28,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:58:28,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 12:58:28 BoogieIcfgContainer [2024-10-12 00:58:28,823 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-12 00:58:28,823 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-12 00:58:28,823 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-12 00:58:28,824 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-12 00:58:28,824 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:58:27" (3/4) ... [2024-10-12 00:58:28,825 INFO L136 WitnessPrinter]: Generating witness for non-termination counterexample [2024-10-12 00:58:28,868 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-12 00:58:28,869 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-12 00:58:28,869 INFO L158 Benchmark]: Toolchain (without parser) took 2591.40ms. Allocated memory was 163.6MB in the beginning and 203.4MB in the end (delta: 39.8MB). Free memory was 130.1MB in the beginning and 134.0MB in the end (delta: -3.9MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2024-10-12 00:58:28,869 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 109.1MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:58:28,870 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.71ms. Allocated memory is still 163.6MB. Free memory was 130.1MB in the beginning and 110.4MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-12 00:58:28,870 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.46ms. Allocated memory is still 163.6MB. Free memory was 110.4MB in the beginning and 107.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-12 00:58:28,870 INFO L158 Benchmark]: Boogie Preprocessor took 32.71ms. Allocated memory is still 163.6MB. Free memory was 107.2MB in the beginning and 104.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 00:58:28,871 INFO L158 Benchmark]: RCFGBuilder took 381.65ms. Allocated memory is still 163.6MB. Free memory was 104.2MB in the beginning and 122.3MB in the end (delta: -18.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-12 00:58:28,871 INFO L158 Benchmark]: BuchiAutomizer took 1734.08ms. Allocated memory was 163.6MB in the beginning and 203.4MB in the end (delta: 39.8MB). Free memory was 121.3MB in the beginning and 136.1MB in the end (delta: -14.9MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2024-10-12 00:58:28,871 INFO L158 Benchmark]: Witness Printer took 45.32ms. Allocated memory is still 203.4MB. Free memory was 136.1MB in the beginning and 134.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 00:58:28,873 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 109.1MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.71ms. Allocated memory is still 163.6MB. Free memory was 130.1MB in the beginning and 110.4MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.46ms. Allocated memory is still 163.6MB. Free memory was 110.4MB in the beginning and 107.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.71ms. Allocated memory is still 163.6MB. Free memory was 107.2MB in the beginning and 104.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 381.65ms. Allocated memory is still 163.6MB. Free memory was 104.2MB in the beginning and 122.3MB in the end (delta: -18.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1734.08ms. Allocated memory was 163.6MB in the beginning and 203.4MB in the end (delta: 39.8MB). Free memory was 121.3MB in the beginning and 136.1MB in the end (delta: -14.9MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. * Witness Printer took 45.32ms. Allocated memory is still 203.4MB. Free memory was 136.1MB in the beginning and 134.0MB 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 135]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [135] - GenericResultAtLocation [Line: 239]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [239] - GenericResultAtLocation [Line: 274]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [274] - GenericResultAtLocation [Line: 640]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [640] - GenericResultAtLocation [Line: 691]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [691] - GenericResultAtLocation [Line: 756]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [756] - GenericResultAtLocation [Line: 868]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [868] * 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 135 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 243 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 243 mSDsluCounter, 579 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 406 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 81 IncrementalHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 173 mSDtfsCounter, 81 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: 702]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L136] int cleanupTimeShifts = 4; [L444] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L643] int switchedOnBeforeTS ; [L759] int pumpRunning = 0; [L760] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L217] int retValue_acc ; [L218] int tmp ; [L222] FCALL select_helpers() [L223] FCALL select_features() [L224] CALL, EXPR valid_product() [L266] int retValue_acc ; [L269] retValue_acc = 1 [L270] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L224] RET, EXPR valid_product() [L224] tmp = valid_product() [L226] COND TRUE \read(tmp) [L228] FCALL setup() [L229] CALL runTest() [L207] CALL __utac_acc__Specification5_spec__1() [L648] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L207] RET __utac_acc__Specification5_spec__1() [L208] CALL test() [L693] int splverifierCounter ; [L694] int tmp ; [L695] int tmp___0 ; [L696] int tmp___1 ; [L697] int tmp___2 ; [L700] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L702] COND TRUE 1 [L704] COND TRUE splverifierCounter < 4 [L710] tmp = __VERIFIER_nondet_int() [L712] COND FALSE !(\read(tmp)) [L720] tmp___0 = __VERIFIER_nondet_int() [L722] COND FALSE !(\read(tmp___0)) [L730] tmp___2 = __VERIFIER_nondet_int() [L732] COND TRUE \read(tmp___2) [L745] CALL timeShift() [L767] CALL __utac_acc__Specification5_spec__2() [L657] CALL, EXPR isPumpRunning() [L824] int retValue_acc ; [L827] retValue_acc = pumpRunning [L828] return (retValue_acc); [L657] RET, EXPR isPumpRunning() [L657] switchedOnBeforeTS = isPumpRunning() [L767] RET __utac_acc__Specification5_spec__2() [L769] COND FALSE !(\read(pumpRunning)) [L776] COND TRUE \read(systemActive) [L778] FCALL processEnvironment() [L784] CALL __utac_acc__Specification5_spec__3() [L663] int tmp ; [L664] int tmp___0 ; [L668] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L668] RET, EXPR getWaterLevel() [L668] tmp = getWaterLevel() [L670] COND TRUE tmp != 2 [L672] CALL, EXPR isPumpRunning() [L824] int retValue_acc ; [L827] retValue_acc = pumpRunning [L828] return (retValue_acc); [L672] RET, EXPR isPumpRunning() [L672] tmp___0 = isPumpRunning() [L674] COND FALSE !(\read(tmp___0)) [L784] RET __utac_acc__Specification5_spec__3() [L745] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 702]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L136] int cleanupTimeShifts = 4; [L444] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L643] int switchedOnBeforeTS ; [L759] int pumpRunning = 0; [L760] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L217] int retValue_acc ; [L218] int tmp ; [L222] FCALL select_helpers() [L223] FCALL select_features() [L224] CALL, EXPR valid_product() [L266] int retValue_acc ; [L269] retValue_acc = 1 [L270] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L224] RET, EXPR valid_product() [L224] tmp = valid_product() [L226] COND TRUE \read(tmp) [L228] FCALL setup() [L229] CALL runTest() [L207] CALL __utac_acc__Specification5_spec__1() [L648] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L207] RET __utac_acc__Specification5_spec__1() [L208] CALL test() [L693] int splverifierCounter ; [L694] int tmp ; [L695] int tmp___0 ; [L696] int tmp___1 ; [L697] int tmp___2 ; [L700] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L702] COND TRUE 1 [L704] COND TRUE splverifierCounter < 4 [L710] tmp = __VERIFIER_nondet_int() [L712] COND FALSE !(\read(tmp)) [L720] tmp___0 = __VERIFIER_nondet_int() [L722] COND FALSE !(\read(tmp___0)) [L730] tmp___2 = __VERIFIER_nondet_int() [L732] COND TRUE \read(tmp___2) [L745] CALL timeShift() [L767] CALL __utac_acc__Specification5_spec__2() [L657] CALL, EXPR isPumpRunning() [L824] int retValue_acc ; [L827] retValue_acc = pumpRunning [L828] return (retValue_acc); [L657] RET, EXPR isPumpRunning() [L657] switchedOnBeforeTS = isPumpRunning() [L767] RET __utac_acc__Specification5_spec__2() [L769] COND FALSE !(\read(pumpRunning)) [L776] COND TRUE \read(systemActive) [L778] FCALL processEnvironment() [L784] CALL __utac_acc__Specification5_spec__3() [L663] int tmp ; [L664] int tmp___0 ; [L668] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L668] RET, EXPR getWaterLevel() [L668] tmp = getWaterLevel() [L670] COND TRUE tmp != 2 [L672] CALL, EXPR isPumpRunning() [L824] int retValue_acc ; [L827] retValue_acc = pumpRunning [L828] return (retValue_acc); [L672] RET, EXPR isPumpRunning() [L672] tmp___0 = isPumpRunning() [L674] COND FALSE !(\read(tmp___0)) [L784] RET __utac_acc__Specification5_spec__3() [L745] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-10-12 00:58:28,894 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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)