./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product24.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_spec5_product24.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 bacd385beffa77b8f8ef1edb48e90e10775e6eeea64904371428d8b002d57b38 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 16:04:09,696 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 16:04:09,782 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-09 16:04:09,789 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 16:04:09,789 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 16:04:09,812 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 16:04:09,812 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 16:04:09,812 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 16:04:09,813 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 16:04:09,813 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 16:04:09,813 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 16:04:09,813 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 16:04:09,814 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 16:04:09,814 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-09 16:04:09,814 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-09 16:04:09,814 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-09 16:04:09,815 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-09 16:04:09,815 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-09 16:04:09,815 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-09 16:04:09,817 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 16:04:09,819 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-09 16:04:09,819 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 16:04:09,819 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 16:04:09,820 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 16:04:09,820 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 16:04:09,820 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-09 16:04:09,820 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-09 16:04:09,820 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-09 16:04:09,820 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 16:04:09,820 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 16:04:09,820 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 16:04:09,821 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 16:04:09,821 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-09 16:04:09,821 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 16:04:09,821 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 16:04:09,821 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 16:04:09,821 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 16:04:09,822 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 16:04:09,822 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-09 16:04:09,822 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bacd385beffa77b8f8ef1edb48e90e10775e6eeea64904371428d8b002d57b38 [2024-11-09 16:04:10,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 16:04:10,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 16:04:10,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 16:04:10,055 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 16:04:10,055 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 16:04:10,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product24.cil.c [2024-11-09 16:04:11,310 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 16:04:11,527 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 16:04:11,528 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product24.cil.c [2024-11-09 16:04:11,537 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38f38504b/a30a7df9c86646fca3ecb4e5a85f46a1/FLAG3a24a1e32 [2024-11-09 16:04:11,549 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38f38504b/a30a7df9c86646fca3ecb4e5a85f46a1 [2024-11-09 16:04:11,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 16:04:11,553 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 16:04:11,555 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 16:04:11,556 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 16:04:11,562 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 16:04:11,563 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:04:11" (1/1) ... [2024-11-09 16:04:11,563 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1078ef64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:04:11, skipping insertion in model container [2024-11-09 16:04:11,564 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:04:11" (1/1) ... [2024-11-09 16:04:11,607 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 16:04:11,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 16:04:11,821 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 16:04:11,830 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-11-09 16:04:11,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [155] [2024-11-09 16:04:11,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [249] [2024-11-09 16:04:11,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [284] [2024-11-09 16:04:11,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [495] [2024-11-09 16:04:11,833 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [564] [2024-11-09 16:04:11,833 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [930] [2024-11-09 16:04:11,833 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [980] [2024-11-09 16:04:11,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 16:04:11,913 INFO L204 MainTranslator]: Completed translation [2024-11-09 16:04:11,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:04:11 WrapperNode [2024-11-09 16:04:11,914 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 16:04:11,915 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 16:04:11,915 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 16:04:11,915 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 16:04:11,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:04:11" (1/1) ... [2024-11-09 16:04:11,931 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:04:11" (1/1) ... [2024-11-09 16:04:11,959 INFO L138 Inliner]: procedures = 57, calls = 104, calls flagged for inlining = 57, calls inlined = 90, statements flattened = 557 [2024-11-09 16:04:11,959 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 16:04:11,960 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 16:04:11,960 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 16:04:11,960 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 16:04:11,969 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:04:11" (1/1) ... [2024-11-09 16:04:11,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:04:11" (1/1) ... [2024-11-09 16:04:11,973 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:04:11" (1/1) ... [2024-11-09 16:04:11,988 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 16:04:11,989 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:04:11" (1/1) ... [2024-11-09 16:04:11,989 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:04:11" (1/1) ... [2024-11-09 16:04:11,996 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:04:11" (1/1) ... [2024-11-09 16:04:12,005 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:04:11" (1/1) ... [2024-11-09 16:04:12,007 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:04:11" (1/1) ... [2024-11-09 16:04:12,008 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:04:11" (1/1) ... [2024-11-09 16:04:12,014 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 16:04:12,015 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 16:04:12,015 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 16:04:12,015 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 16:04:12,015 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:04:11" (1/1) ... [2024-11-09 16:04:12,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 16:04:12,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 16:04:12,068 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 16:04:12,070 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 16:04:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 16:04:12,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 16:04:12,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 16:04:12,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 16:04:12,194 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 16:04:12,197 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 16:04:12,533 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-11-09 16:04:12,533 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 16:04:12,545 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 16:04:12,545 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 16:04:12,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:04:12 BoogieIcfgContainer [2024-11-09 16:04:12,546 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 16:04:12,546 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-09 16:04:12,546 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-09 16:04:12,549 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-09 16:04:12,550 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 16:04:12,550 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 04:04:11" (1/3) ... [2024-11-09 16:04:12,550 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@97ed7c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 04:04:12, skipping insertion in model container [2024-11-09 16:04:12,551 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 16:04:12,551 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:04:11" (2/3) ... [2024-11-09 16:04:12,551 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@97ed7c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 04:04:12, skipping insertion in model container [2024-11-09 16:04:12,551 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 16:04:12,551 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:04:12" (3/3) ... [2024-11-09 16:04:12,552 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product24.cil.c [2024-11-09 16:04:12,603 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-09 16:04:12,604 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-09 16:04:12,604 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-09 16:04:12,605 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-09 16:04:12,605 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-09 16:04:12,605 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-09 16:04:12,605 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-09 16:04:12,606 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-09 16:04:12,609 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 168 states, 167 states have (on average 1.3353293413173652) internal successors, (223), 167 states have internal predecessors, (223), 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 16:04:12,629 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 109 [2024-11-09 16:04:12,629 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 16:04:12,629 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 16:04:12,635 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:04:12,635 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 16:04:12,635 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-09 16:04:12,636 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 168 states, 167 states have (on average 1.3353293413173652) internal successors, (223), 167 states have internal predecessors, (223), 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 16:04:12,641 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 109 [2024-11-09 16:04:12,641 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 16:04:12,641 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 16:04:12,642 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:04:12,642 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 16:04:12,646 INFO L745 eck$LassoCheckResult]: Stem: 37#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 51#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 32#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 134#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 113#valid_product_returnLabel#1true main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 127#L142true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 93#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; 153#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 139#L506-2true [2024-11-09 16:04:12,646 INFO L747 eck$LassoCheckResult]: Loop: 139#L506-2true assume !false; 30#L507true assume test_~splverifierCounter~0#1 < 4; 38#L508true havoc test_#t~nondet23#1;test_~tmp~4#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 108#L516true assume !(0 != test_~tmp~4#1); 39#L516-2true havoc test_#t~nondet24#1;test_~tmp___0~1#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 121#L526true assume !(0 != test_~tmp___0~1#1); 132#L526-2true havoc test_#t~nondet25#1;test_~tmp___2~0#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 85#L536true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet26#1;test_~tmp___1~0#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 137#L544true assume !(0 != test_~tmp___1~0#1); 5#L544-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 149#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 106#__utac_acc__Specification5_spec__2_returnLabel#1true havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 109#L302true assume !(0 != ~pumpRunning~0); 147#L302-2true assume !(0 != ~systemActive~0); 24#L309-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~8#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 79#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~8#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 130#L959true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8#1); 61#L959-1true havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 80#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 139#L506-2true [2024-11-09 16:04:12,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:04:12,650 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-09 16:04:12,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:04:12,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713063125] [2024-11-09 16:04:12,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:04:12,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:04:12,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:04:12,733 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:04:12,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:04:12,769 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:04:12,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:04:12,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1866434363, now seen corresponding path program 1 times [2024-11-09 16:04:12,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:04:12,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787711429] [2024-11-09 16:04:12,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:04:12,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:04:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:04:12,783 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:04:12,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:04:12,798 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:04:12,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:04:12,800 INFO L85 PathProgramCache]: Analyzing trace with hash -998784590, now seen corresponding path program 1 times [2024-11-09 16:04:12,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:04:12,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495911678] [2024-11-09 16:04:12,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:04:12,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:04:12,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 16:04:13,024 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 16:04:13,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 16:04:13,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495911678] [2024-11-09 16:04:13,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495911678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 16:04:13,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 16:04:13,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 16:04:13,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646834499] [2024-11-09 16:04:13,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 16:04:13,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 16:04:13,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 16:04:13,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 16:04:13,187 INFO L87 Difference]: Start difference. First operand has 168 states, 167 states have (on average 1.3353293413173652) internal successors, (223), 167 states have internal predecessors, (223), 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 4.5) internal successors, (27), 5 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) [2024-11-09 16:04:13,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 16:04:13,335 INFO L93 Difference]: Finished difference Result 388 states and 499 transitions. [2024-11-09 16:04:13,336 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 388 states and 499 transitions. [2024-11-09 16:04:13,346 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 253 [2024-11-09 16:04:13,353 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 388 states to 358 states and 469 transitions. [2024-11-09 16:04:13,356 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 358 [2024-11-09 16:04:13,357 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 358 [2024-11-09 16:04:13,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 358 states and 469 transitions. [2024-11-09 16:04:13,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 16:04:13,359 INFO L218 hiAutomatonCegarLoop]: Abstraction has 358 states and 469 transitions. [2024-11-09 16:04:13,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states and 469 transitions. [2024-11-09 16:04:13,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 213. [2024-11-09 16:04:13,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 213 states have (on average 1.3098591549295775) internal successors, (279), 212 states have internal predecessors, (279), 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 16:04:13,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 279 transitions. [2024-11-09 16:04:13,388 INFO L240 hiAutomatonCegarLoop]: Abstraction has 213 states and 279 transitions. [2024-11-09 16:04:13,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 16:04:13,391 INFO L425 stractBuchiCegarLoop]: Abstraction has 213 states and 279 transitions. [2024-11-09 16:04:13,392 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-09 16:04:13,392 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 213 states and 279 transitions. [2024-11-09 16:04:13,393 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 149 [2024-11-09 16:04:13,394 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 16:04:13,394 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 16:04:13,394 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:04:13,394 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:04:13,395 INFO L745 eck$LassoCheckResult]: Stem: 639#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 640#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 636#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 637#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 712#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 713#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 694#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; 695#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 682#L506-2 [2024-11-09 16:04:13,395 INFO L747 eck$LassoCheckResult]: Loop: 682#L506-2 assume !false; 631#L507 assume test_~splverifierCounter~0#1 < 4; 632#L508 havoc test_#t~nondet23#1;test_~tmp~4#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 641#L516 assume !(0 != test_~tmp~4#1); 635#L516-2 havoc test_#t~nondet24#1;test_~tmp___0~1#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 642#L526 assume !(0 != test_~tmp___0~1#1); 699#L526-2 havoc test_#t~nondet25#1;test_~tmp___2~0#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 688#L536 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 673#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 579#L544-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 580#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 707#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 708#L302 assume !(0 != ~pumpRunning~0); 638#L302-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 614#L360 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret11#1, processEnvironment__wrappee__lowWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~1#1; 615#L334-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 574#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 575#L334-3 havoc processEnvironment__wrappee__lowWaterSensor_#t~ret11#1, processEnvironment__wrappee__lowWaterSensor_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 652#L360-1 havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 617#L309-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~8#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 618#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~8#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 681#L959 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8#1); 666#L959-1 havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 667#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 682#L506-2 [2024-11-09 16:04:13,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:04:13,395 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-09 16:04:13,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:04:13,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052221748] [2024-11-09 16:04:13,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:04:13,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:04:13,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:04:13,406 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:04:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:04:13,416 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:04:13,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:04:13,416 INFO L85 PathProgramCache]: Analyzing trace with hash -818155752, now seen corresponding path program 1 times [2024-11-09 16:04:13,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:04:13,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386434716] [2024-11-09 16:04:13,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:04:13,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:04:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:04:13,421 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:04:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:04:13,425 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:04:13,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:04:13,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1054300415, now seen corresponding path program 1 times [2024-11-09 16:04:13,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:04:13,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328113050] [2024-11-09 16:04:13,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:04:13,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:04:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 16:04:13,531 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 16:04:13,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 16:04:13,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328113050] [2024-11-09 16:04:13,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328113050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 16:04:13,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 16:04:13,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 16:04:13,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512142354] [2024-11-09 16:04:13,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 16:04:13,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 16:04:13,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 16:04:13,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 16:04:13,596 INFO L87 Difference]: Start difference. First operand 213 states and 279 transitions. cyclomatic complexity: 69 Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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 16:04:13,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 16:04:13,678 INFO L93 Difference]: Finished difference Result 418 states and 544 transitions. [2024-11-09 16:04:13,678 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 418 states and 544 transitions. [2024-11-09 16:04:13,681 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 298 [2024-11-09 16:04:13,682 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 418 states to 418 states and 544 transitions. [2024-11-09 16:04:13,683 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 418 [2024-11-09 16:04:13,683 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 418 [2024-11-09 16:04:13,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 418 states and 544 transitions. [2024-11-09 16:04:13,685 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 16:04:13,685 INFO L218 hiAutomatonCegarLoop]: Abstraction has 418 states and 544 transitions. [2024-11-09 16:04:13,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states and 544 transitions. [2024-11-09 16:04:13,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 412. [2024-11-09 16:04:13,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 412 states have (on average 1.2912621359223302) internal successors, (532), 411 states have internal predecessors, (532), 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 16:04:13,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 532 transitions. [2024-11-09 16:04:13,696 INFO L240 hiAutomatonCegarLoop]: Abstraction has 412 states and 532 transitions. [2024-11-09 16:04:13,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 16:04:13,697 INFO L425 stractBuchiCegarLoop]: Abstraction has 412 states and 532 transitions. [2024-11-09 16:04:13,697 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-09 16:04:13,698 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 412 states and 532 transitions. [2024-11-09 16:04:13,699 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 294 [2024-11-09 16:04:13,699 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 16:04:13,699 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 16:04:13,700 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:04:13,700 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:04:13,700 INFO L745 eck$LassoCheckResult]: Stem: 1292#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 1293#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 1286#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1287#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 1390#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 1391#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1365#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; 1366#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1412#L506-2 [2024-11-09 16:04:13,700 INFO L747 eck$LassoCheckResult]: Loop: 1412#L506-2 assume !false; 1279#L507 assume test_~splverifierCounter~0#1 < 4; 1280#L508 havoc test_#t~nondet23#1;test_~tmp~4#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 1294#L516 assume !(0 != test_~tmp~4#1); 1283#L516-2 havoc test_#t~nondet24#1;test_~tmp___0~1#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 1295#L526 assume !(0 != test_~tmp___0~1#1); 1372#L526-2 havoc test_#t~nondet25#1;test_~tmp___2~0#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 1512#L536 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1335#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 1336#L544-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 1458#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 1457#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1456#L302 assume !(0 != ~pumpRunning~0); 1454#L302-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 1261#L360 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret11#1, processEnvironment__wrappee__lowWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~1#1; 1262#L334-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1337#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 1433#L334-3 havoc processEnvironment__wrappee__lowWaterSensor_#t~ret11#1, processEnvironment__wrappee__lowWaterSensor_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 1309#L360-1 havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 1264#L309-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~8#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 1265#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~8#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 1350#L959 assume 2 != __utac_acc__Specification5_spec__3_~tmp~8#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 1352#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret52#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2#1 := __utac_acc__Specification5_spec__3_#t~ret52#1;havoc __utac_acc__Specification5_spec__3_#t~ret52#1; 1353#L963 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1); 1324#L959-1 havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1325#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1412#L506-2 [2024-11-09 16:04:13,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:04:13,701 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2024-11-09 16:04:13,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:04:13,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336364468] [2024-11-09 16:04:13,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:04:13,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:04:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:04:13,707 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:04:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:04:13,711 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:04:13,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:04:13,711 INFO L85 PathProgramCache]: Analyzing trace with hash -289665677, now seen corresponding path program 1 times [2024-11-09 16:04:13,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:04:13,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690672093] [2024-11-09 16:04:13,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:04:13,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:04:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:04:13,715 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:04:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:04:13,719 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:04:13,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:04:13,719 INFO L85 PathProgramCache]: Analyzing trace with hash 408579868, now seen corresponding path program 1 times [2024-11-09 16:04:13,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:04:13,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166146186] [2024-11-09 16:04:13,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:04:13,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:04:13,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:04:13,726 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:04:13,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:04:13,732 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:04:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:04:14,426 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:04:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:04:14,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 04:04:14 BoogieIcfgContainer [2024-11-09 16:04:14,473 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-09 16:04:14,473 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 16:04:14,473 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 16:04:14,474 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 16:04:14,474 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:04:12" (3/4) ... [2024-11-09 16:04:14,476 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-09 16:04:14,541 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 16:04:14,544 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 16:04:14,544 INFO L158 Benchmark]: Toolchain (without parser) took 2991.57ms. Allocated memory was 176.2MB in the beginning and 241.2MB in the end (delta: 65.0MB). Free memory was 144.6MB in the beginning and 189.6MB in the end (delta: -45.0MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2024-11-09 16:04:14,544 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 121.6MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 16:04:14,545 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.49ms. Allocated memory is still 176.2MB. Free memory was 144.6MB in the beginning and 122.8MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 16:04:14,545 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.71ms. Allocated memory is still 176.2MB. Free memory was 122.8MB in the beginning and 119.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 16:04:14,545 INFO L158 Benchmark]: Boogie Preprocessor took 54.24ms. Allocated memory is still 176.2MB. Free memory was 119.6MB in the beginning and 116.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 16:04:14,545 INFO L158 Benchmark]: RCFGBuilder took 530.92ms. Allocated memory is still 176.2MB. Free memory was 116.5MB in the beginning and 89.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-09 16:04:14,545 INFO L158 Benchmark]: BuchiAutomizer took 1926.44ms. Allocated memory was 176.2MB in the beginning and 241.2MB in the end (delta: 65.0MB). Free memory was 89.2MB in the beginning and 192.7MB in the end (delta: -103.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 16:04:14,546 INFO L158 Benchmark]: Witness Printer took 70.58ms. Allocated memory is still 241.2MB. Free memory was 192.7MB in the beginning and 189.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 16:04:14,547 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 121.6MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.49ms. Allocated memory is still 176.2MB. Free memory was 144.6MB in the beginning and 122.8MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.71ms. Allocated memory is still 176.2MB. Free memory was 122.8MB in the beginning and 119.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.24ms. Allocated memory is still 176.2MB. Free memory was 119.6MB in the beginning and 116.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 530.92ms. Allocated memory is still 176.2MB. Free memory was 116.5MB in the beginning and 89.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 1926.44ms. Allocated memory was 176.2MB in the beginning and 241.2MB in the end (delta: 65.0MB). Free memory was 89.2MB in the beginning and 192.7MB in the end (delta: -103.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 70.58ms. Allocated memory is still 241.2MB. Free memory was 192.7MB in the beginning and 189.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. 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,"Test.i","") [49] - GenericResultAtLocation [Line: 155]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [155] - GenericResultAtLocation [Line: 249]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [249] - GenericResultAtLocation [Line: 284]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [284] - GenericResultAtLocation [Line: 495]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [495] - GenericResultAtLocation [Line: 564]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [564] - GenericResultAtLocation [Line: 930]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [930] - GenericResultAtLocation [Line: 980]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [980] * 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 412 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. 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, 151 StatesRemovedByMinimization, 2 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, 729 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 729 mSDsluCounter, 1635 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1234 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 129 IncrementalHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 401 mSDtfsCounter, 129 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: 506]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L161] int waterLevel = 1; [L162] int methaneLevelCritical = 0; [L290] int pumpRunning = 0; [L291] int systemActive = 1; [L734] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L932] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L276] int retValue_acc ; [L279] retValue_acc = 1 [L280] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification5_spec__1() [L937] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L123] RET __utac_acc__Specification5_spec__1() [L124] CALL test() [L497] int splverifierCounter ; [L498] int tmp ; [L499] int tmp___0 ; [L500] int tmp___1 ; [L501] int tmp___2 ; [L504] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L506] COND TRUE 1 [L508] COND TRUE splverifierCounter < 4 [L514] tmp = __VERIFIER_nondet_int() [L516] COND FALSE !(\read(tmp)) [L524] tmp___0 = __VERIFIER_nondet_int() [L526] COND FALSE !(\read(tmp___0)) [L534] tmp___2 = __VERIFIER_nondet_int() [L536] COND TRUE \read(tmp___2) [L538] CALL startSystem() [L491] systemActive = 1 [L538] RET startSystem() [L553] CALL timeShift() [L300] CALL __utac_acc__Specification5_spec__2() [L946] CALL, EXPR isPumpRunning() [L409] int retValue_acc ; [L412] retValue_acc = pumpRunning [L413] return (retValue_acc); [L946] RET, EXPR isPumpRunning() [L946] switchedOnBeforeTS = isPumpRunning() [L300] RET __utac_acc__Specification5_spec__2() [L302] COND FALSE !(\read(pumpRunning)) [L309] COND TRUE \read(systemActive) [L311] CALL processEnvironment() [L357] int tmp ; [L360] COND FALSE !(\read(pumpRunning)) [L375] CALL processEnvironment__wrappee__lowWaterSensor() [L331] int tmp ; [L334] COND FALSE !(\read(pumpRunning)) [L349] FCALL processEnvironment__wrappee__base() [L375] RET processEnvironment__wrappee__lowWaterSensor() [L311] RET processEnvironment() [L317] CALL __utac_acc__Specification5_spec__3() [L952] int tmp ; [L953] int tmp___0 ; [L957] CALL, EXPR getWaterLevel() [L232] int retValue_acc ; [L235] retValue_acc = waterLevel [L236] return (retValue_acc); [L957] RET, EXPR getWaterLevel() [L957] tmp = getWaterLevel() [L959] COND TRUE tmp != 2 [L961] CALL, EXPR isPumpRunning() [L409] int retValue_acc ; [L412] retValue_acc = pumpRunning [L413] return (retValue_acc); [L961] RET, EXPR isPumpRunning() [L961] tmp___0 = isPumpRunning() [L963] COND FALSE !(\read(tmp___0)) [L317] RET __utac_acc__Specification5_spec__3() [L553] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 506]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L161] int waterLevel = 1; [L162] int methaneLevelCritical = 0; [L290] int pumpRunning = 0; [L291] int systemActive = 1; [L734] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L932] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L276] int retValue_acc ; [L279] retValue_acc = 1 [L280] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification5_spec__1() [L937] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L123] RET __utac_acc__Specification5_spec__1() [L124] CALL test() [L497] int splverifierCounter ; [L498] int tmp ; [L499] int tmp___0 ; [L500] int tmp___1 ; [L501] int tmp___2 ; [L504] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L506] COND TRUE 1 [L508] COND TRUE splverifierCounter < 4 [L514] tmp = __VERIFIER_nondet_int() [L516] COND FALSE !(\read(tmp)) [L524] tmp___0 = __VERIFIER_nondet_int() [L526] COND FALSE !(\read(tmp___0)) [L534] tmp___2 = __VERIFIER_nondet_int() [L536] COND TRUE \read(tmp___2) [L538] CALL startSystem() [L491] systemActive = 1 [L538] RET startSystem() [L553] CALL timeShift() [L300] CALL __utac_acc__Specification5_spec__2() [L946] CALL, EXPR isPumpRunning() [L409] int retValue_acc ; [L412] retValue_acc = pumpRunning [L413] return (retValue_acc); [L946] RET, EXPR isPumpRunning() [L946] switchedOnBeforeTS = isPumpRunning() [L300] RET __utac_acc__Specification5_spec__2() [L302] COND FALSE !(\read(pumpRunning)) [L309] COND TRUE \read(systemActive) [L311] CALL processEnvironment() [L357] int tmp ; [L360] COND FALSE !(\read(pumpRunning)) [L375] CALL processEnvironment__wrappee__lowWaterSensor() [L331] int tmp ; [L334] COND FALSE !(\read(pumpRunning)) [L349] FCALL processEnvironment__wrappee__base() [L375] RET processEnvironment__wrappee__lowWaterSensor() [L311] RET processEnvironment() [L317] CALL __utac_acc__Specification5_spec__3() [L952] int tmp ; [L953] int tmp___0 ; [L957] CALL, EXPR getWaterLevel() [L232] int retValue_acc ; [L235] retValue_acc = waterLevel [L236] return (retValue_acc); [L957] RET, EXPR getWaterLevel() [L957] tmp = getWaterLevel() [L959] COND TRUE tmp != 2 [L961] CALL, EXPR isPumpRunning() [L409] int retValue_acc ; [L412] retValue_acc = pumpRunning [L413] return (retValue_acc); [L961] RET, EXPR isPumpRunning() [L961] tmp___0 = isPumpRunning() [L963] COND FALSE !(\read(tmp___0)) [L317] RET __utac_acc__Specification5_spec__3() [L553] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-09 16:04:14,571 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)