./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_product12.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product12.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 a08a330faab409752e65fe7d3101f81f24601e18bc944ca2e918542b1c9d8232 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 17:40:43,441 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 17:40:43,535 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-13 17:40:43,542 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 17:40:43,542 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 17:40:43,568 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 17:40:43,569 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 17:40:43,570 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 17:40:43,570 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 17:40:43,571 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 17:40:43,572 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 17:40:43,572 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 17:40:43,572 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 17:40:43,573 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-13 17:40:43,575 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-13 17:40:43,575 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-13 17:40:43,575 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-13 17:40:43,576 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-13 17:40:43,576 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-13 17:40:43,576 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 17:40:43,580 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-13 17:40:43,581 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 17:40:43,581 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 17:40:43,581 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 17:40:43,581 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 17:40:43,581 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-13 17:40:43,582 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-13 17:40:43,582 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-13 17:40:43,582 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 17:40:43,582 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 17:40:43,582 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 17:40:43,583 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 17:40:43,583 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-13 17:40:43,583 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 17:40:43,583 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 17:40:43,584 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 17:40:43,584 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 17:40:43,585 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 17:40:43,586 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-13 17:40:43,586 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a08a330faab409752e65fe7d3101f81f24601e18bc944ca2e918542b1c9d8232 [2024-10-13 17:40:43,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 17:40:43,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 17:40:43,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 17:40:43,877 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 17:40:43,878 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 17:40:43,879 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product12.cil.c [2024-10-13 17:40:45,280 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 17:40:45,532 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 17:40:45,535 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product12.cil.c [2024-10-13 17:40:45,547 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d11da196/2ea6457fc06b4c7f8851ccb272374d16/FLAGda979b78e [2024-10-13 17:40:45,560 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d11da196/2ea6457fc06b4c7f8851ccb272374d16 [2024-10-13 17:40:45,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 17:40:45,563 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 17:40:45,565 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 17:40:45,565 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 17:40:45,570 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 17:40:45,570 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:40:45" (1/1) ... [2024-10-13 17:40:45,571 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37a9a61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:45, skipping insertion in model container [2024-10-13 17:40:45,571 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:40:45" (1/1) ... [2024-10-13 17:40:45,614 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 17:40:45,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:40:45,961 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 17:40:45,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] [2024-10-13 17:40:45,972 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [101] [2024-10-13 17:40:45,972 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [261] [2024-10-13 17:40:45,972 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [343] [2024-10-13 17:40:45,972 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [413] [2024-10-13 17:40:45,972 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [422] [2024-10-13 17:40:45,972 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [522] [2024-10-13 17:40:45,973 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [888] [2024-10-13 17:40:46,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:40:46,058 INFO L204 MainTranslator]: Completed translation [2024-10-13 17:40:46,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:46 WrapperNode [2024-10-13 17:40:46,059 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 17:40:46,060 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 17:40:46,060 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 17:40:46,060 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 17:40:46,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:46" (1/1) ... [2024-10-13 17:40:46,080 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:46" (1/1) ... [2024-10-13 17:40:46,113 INFO L138 Inliner]: procedures = 54, calls = 97, calls flagged for inlining = 50, calls inlined = 45, statements flattened = 278 [2024-10-13 17:40:46,114 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 17:40:46,115 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 17:40:46,115 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 17:40:46,115 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 17:40:46,125 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:46" (1/1) ... [2024-10-13 17:40:46,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:46" (1/1) ... [2024-10-13 17:40:46,130 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:46" (1/1) ... [2024-10-13 17:40:46,157 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]. [2024-10-13 17:40:46,157 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:46" (1/1) ... [2024-10-13 17:40:46,158 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:46" (1/1) ... [2024-10-13 17:40:46,162 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:46" (1/1) ... [2024-10-13 17:40:46,168 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:46" (1/1) ... [2024-10-13 17:40:46,171 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:46" (1/1) ... [2024-10-13 17:40:46,173 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:46" (1/1) ... [2024-10-13 17:40:46,176 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 17:40:46,178 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 17:40:46,178 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 17:40:46,178 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 17:40:46,179 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:46" (1/1) ... [2024-10-13 17:40:46,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:40:46,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:40:46,206 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) [2024-10-13 17:40:46,209 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 [2024-10-13 17:40:46,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 17:40:46,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 17:40:46,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 17:40:46,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 17:40:46,316 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 17:40:46,318 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 17:40:46,566 INFO L? ?]: Removed 49 outVars from TransFormulas that were not future-live. [2024-10-13 17:40:46,566 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 17:40:46,588 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 17:40:46,588 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-13 17:40:46,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:40:46 BoogieIcfgContainer [2024-10-13 17:40:46,589 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 17:40:46,589 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-13 17:40:46,590 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-13 17:40:46,593 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-13 17:40:46,593 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:40:46,594 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 05:40:45" (1/3) ... [2024-10-13 17:40:46,594 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7579649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:40:46, skipping insertion in model container [2024-10-13 17:40:46,594 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:40:46,595 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:46" (2/3) ... [2024-10-13 17:40:46,595 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7579649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:40:46, skipping insertion in model container [2024-10-13 17:40:46,595 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:40:46,595 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:40:46" (3/3) ... [2024-10-13 17:40:46,596 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product12.cil.c [2024-10-13 17:40:46,639 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-13 17:40:46,639 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-13 17:40:46,639 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-13 17:40:46,639 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-13 17:40:46,640 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-13 17:40:46,640 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-13 17:40:46,640 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-13 17:40:46,640 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-13 17:40:46,643 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 93 states, 92 states have (on average 1.3478260869565217) internal successors, (124), 92 states have internal predecessors, (124), 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) [2024-10-13 17:40:46,671 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 59 [2024-10-13 17:40:46,671 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:40:46,671 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:40:46,679 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:40:46,680 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] [2024-10-13 17:40:46,680 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-13 17:40:46,681 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 93 states, 92 states have (on average 1.3478260869565217) internal successors, (124), 92 states have internal predecessors, (124), 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) [2024-10-13 17:40:46,687 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 59 [2024-10-13 17:40:46,687 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:40:46,688 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:40:46,690 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:40:46,691 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] [2024-10-13 17:40:46,696 INFO L745 eck$LassoCheckResult]: Stem: 41#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 47#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret26#1, main_~retValue_acc~4#1, main_~tmp~3#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 33#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 46#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 29#valid_product_returnLabel#1true main_#t~ret26#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret26#1;havoc main_#t~ret26#1; 55#L509true assume 0 != main_~tmp~3#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; 67#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 23#L355-2true [2024-10-13 17:40:46,697 INFO L747 eck$LassoCheckResult]: Loop: 23#L355-2true assume !false; 28#L356true assume test_~splverifierCounter~0#1 < 4; 78#L357true havoc test_#t~nondet22#1;test_~tmp~2#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 74#L365true assume !(0 != test_~tmp~2#1); 84#L365-2true havoc test_#t~nondet23#1;test_~tmp___0~1#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 16#L375true assume !(0 != test_~tmp___0~1#1); 49#L375-2true havoc test_#t~nondet24#1;test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 20#L385true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 75#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 56#L393-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 59#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1; 17#__utac_acc__Specification5_spec__2_returnLabel#1true havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 38#L121true assume !(0 != ~pumpRunning~0); 11#L121-2true assume !(0 != ~systemActive~0); 27#L128-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; 85#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1; 14#L80true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1); 61#L80-1true havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 86#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 23#L355-2true [2024-10-13 17:40:46,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:40:46,704 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-10-13 17:40:46,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:40:46,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914398559] [2024-10-13 17:40:46,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:40:46,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:40:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:46,827 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:40:46,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:46,875 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:40:46,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:40:46,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1263780397, now seen corresponding path program 1 times [2024-10-13 17:40:46,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:40:46,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394929817] [2024-10-13 17:40:46,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:40:46,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:40:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:40:46,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:40:46,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:40:46,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394929817] [2024-10-13 17:40:46,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394929817] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:40:46,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:40:46,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 17:40:46,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185345123] [2024-10-13 17:40:46,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:40:46,980 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-13 17:40:46,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:40:47,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 17:40:47,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 17:40:47,021 INFO L87 Difference]: Start difference. First operand has 93 states, 92 states have (on average 1.3478260869565217) internal successors, (124), 92 states have internal predecessors, (124), 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 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2024-10-13 17:40:47,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:40:47,084 INFO L93 Difference]: Finished difference Result 164 states and 208 transitions. [2024-10-13 17:40:47,085 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 164 states and 208 transitions. [2024-10-13 17:40:47,093 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 104 [2024-10-13 17:40:47,102 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 164 states to 144 states and 187 transitions. [2024-10-13 17:40:47,104 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 144 [2024-10-13 17:40:47,105 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 144 [2024-10-13 17:40:47,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 144 states and 187 transitions. [2024-10-13 17:40:47,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:40:47,108 INFO L218 hiAutomatonCegarLoop]: Abstraction has 144 states and 187 transitions. [2024-10-13 17:40:47,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states and 187 transitions. [2024-10-13 17:40:47,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 141. [2024-10-13 17:40:47,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 141 states have (on average 1.297872340425532) internal successors, (183), 140 states have internal predecessors, (183), 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) [2024-10-13 17:40:47,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 183 transitions. [2024-10-13 17:40:47,150 INFO L240 hiAutomatonCegarLoop]: Abstraction has 141 states and 183 transitions. [2024-10-13 17:40:47,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 17:40:47,155 INFO L425 stractBuchiCegarLoop]: Abstraction has 141 states and 183 transitions. [2024-10-13 17:40:47,157 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-13 17:40:47,157 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 141 states and 183 transitions. [2024-10-13 17:40:47,161 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 101 [2024-10-13 17:40:47,163 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:40:47,163 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:40:47,164 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:40:47,164 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] [2024-10-13 17:40:47,165 INFO L745 eck$LassoCheckResult]: Stem: 320#$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);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 321#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret26#1, main_~retValue_acc~4#1, main_~tmp~3#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 310#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 311#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 306#valid_product_returnLabel#1 main_#t~ret26#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret26#1;havoc main_#t~ret26#1; 307#L509 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 268#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; 269#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 341#L355-2 [2024-10-13 17:40:47,165 INFO L747 eck$LassoCheckResult]: Loop: 341#L355-2 assume !false; 357#L356 assume test_~splverifierCounter~0#1 < 4; 358#L357 havoc test_#t~nondet22#1;test_~tmp~2#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 381#L365 assume !(0 != test_~tmp~2#1); 379#L365-2 havoc test_#t~nondet23#1;test_~tmp___0~1#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 377#L375 assume !(0 != test_~tmp___0~1#1); 375#L375-2 havoc test_#t~nondet24#1;test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 374#L385 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 293#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 346#L393-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 372#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1; 371#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 369#L121 assume !(0 != ~pumpRunning~0); 367#L121-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 366#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 365#L128-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; 350#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1; 282#L80 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1); 284#L80-1 havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 339#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 341#L355-2 [2024-10-13 17:40:47,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:40:47,165 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-10-13 17:40:47,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:40:47,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139640540] [2024-10-13 17:40:47,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:40:47,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:40:47,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:47,187 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:40:47,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:47,200 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:40:47,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:40:47,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1150327995, now seen corresponding path program 1 times [2024-10-13 17:40:47,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:40:47,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161347151] [2024-10-13 17:40:47,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:40:47,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:40:47,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:47,213 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:40:47,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:47,230 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:40:47,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:40:47,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1772113628, now seen corresponding path program 1 times [2024-10-13 17:40:47,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:40:47,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951256177] [2024-10-13 17:40:47,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:40:47,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:40:47,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:40:47,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:40:47,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:40:47,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951256177] [2024-10-13 17:40:47,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951256177] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:40:47,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:40:47,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 17:40:47,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722413134] [2024-10-13 17:40:47,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:40:47,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:40:47,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 17:40:47,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 17:40:47,659 INFO L87 Difference]: Start difference. First operand 141 states and 183 transitions. cyclomatic complexity: 45 Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 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) [2024-10-13 17:40:47,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:40:47,770 INFO L93 Difference]: Finished difference Result 274 states and 352 transitions. [2024-10-13 17:40:47,770 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 274 states and 352 transitions. [2024-10-13 17:40:47,777 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 202 [2024-10-13 17:40:47,779 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 274 states to 274 states and 352 transitions. [2024-10-13 17:40:47,783 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 274 [2024-10-13 17:40:47,783 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 274 [2024-10-13 17:40:47,783 INFO L73 IsDeterministic]: Start isDeterministic. Operand 274 states and 352 transitions. [2024-10-13 17:40:47,785 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:40:47,785 INFO L218 hiAutomatonCegarLoop]: Abstraction has 274 states and 352 transitions. [2024-10-13 17:40:47,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states and 352 transitions. [2024-10-13 17:40:47,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 268. [2024-10-13 17:40:47,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 268 states have (on average 1.2686567164179106) internal successors, (340), 267 states have internal predecessors, (340), 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) [2024-10-13 17:40:47,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 340 transitions. [2024-10-13 17:40:47,802 INFO L240 hiAutomatonCegarLoop]: Abstraction has 268 states and 340 transitions. [2024-10-13 17:40:47,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 17:40:47,804 INFO L425 stractBuchiCegarLoop]: Abstraction has 268 states and 340 transitions. [2024-10-13 17:40:47,804 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-13 17:40:47,804 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 268 states and 340 transitions. [2024-10-13 17:40:47,806 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 198 [2024-10-13 17:40:47,806 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:40:47,806 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:40:47,806 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:40:47,806 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] [2024-10-13 17:40:47,807 INFO L745 eck$LassoCheckResult]: Stem: 753#$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);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 754#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret26#1, main_~retValue_acc~4#1, main_~tmp~3#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 741#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 742#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 737#valid_product_returnLabel#1 main_#t~ret26#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret26#1;havoc main_#t~ret26#1; 738#L509 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 697#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; 698#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 725#L355-2 [2024-10-13 17:40:47,807 INFO L747 eck$LassoCheckResult]: Loop: 725#L355-2 assume !false; 726#L356 assume test_~splverifierCounter~0#1 < 4; 735#L357 havoc test_#t~nondet22#1;test_~tmp~2#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 789#L365 assume !(0 != test_~tmp~2#1); 704#L365-2 havoc test_#t~nondet23#1;test_~tmp___0~1#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 716#L375 assume !(0 != test_~tmp___0~1#1); 718#L375-2 havoc test_#t~nondet24#1;test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 721#L385 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 722#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 727#L393-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 767#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1; 714#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 715#L121 assume !(0 != ~pumpRunning~0); 705#L121-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 706#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 733#L128-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; 734#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1; 712#L80 assume 2 != __utac_acc__Specification5_spec__3_~tmp~0#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 713#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret6#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1; 776#L84 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1); 758#L80-1 havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 774#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 725#L355-2 [2024-10-13 17:40:47,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:40:47,807 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2024-10-13 17:40:47,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:40:47,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604006424] [2024-10-13 17:40:47,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:40:47,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:40:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:47,820 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:40:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:47,829 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:40:47,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:40:47,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1637602390, now seen corresponding path program 1 times [2024-10-13 17:40:47,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:40:47,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700221897] [2024-10-13 17:40:47,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:40:47,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:40:47,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:47,840 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:40:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:47,848 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:40:47,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:40:47,850 INFO L85 PathProgramCache]: Analyzing trace with hash 2079814271, now seen corresponding path program 1 times [2024-10-13 17:40:47,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:40:47,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421386406] [2024-10-13 17:40:47,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:40:47,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:40:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:47,868 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:40:47,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:47,882 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:40:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:48,769 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:40:48,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:40:48,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 05:40:48 BoogieIcfgContainer [2024-10-13 17:40:48,820 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-13 17:40:48,820 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 17:40:48,821 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 17:40:48,821 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 17:40:48,821 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:40:46" (3/4) ... [2024-10-13 17:40:48,823 INFO L136 WitnessPrinter]: Generating witness for non-termination counterexample [2024-10-13 17:40:48,883 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 17:40:48,883 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 17:40:48,884 INFO L158 Benchmark]: Toolchain (without parser) took 3320.55ms. Allocated memory is still 180.4MB. Free memory was 111.6MB in the beginning and 76.2MB in the end (delta: 35.4MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2024-10-13 17:40:48,884 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:40:48,884 INFO L158 Benchmark]: CACSL2BoogieTranslator took 494.70ms. Allocated memory is still 180.4MB. Free memory was 111.4MB in the beginning and 145.8MB in the end (delta: -34.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-13 17:40:48,885 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.92ms. Allocated memory is still 180.4MB. Free memory was 145.8MB in the beginning and 143.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 17:40:48,885 INFO L158 Benchmark]: Boogie Preprocessor took 62.23ms. Allocated memory is still 180.4MB. Free memory was 143.2MB in the beginning and 141.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 17:40:48,885 INFO L158 Benchmark]: RCFGBuilder took 410.72ms. Allocated memory is still 180.4MB. Free memory was 141.1MB in the beginning and 123.3MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-13 17:40:48,886 INFO L158 Benchmark]: BuchiAutomizer took 2230.33ms. Allocated memory is still 180.4MB. Free memory was 122.8MB in the beginning and 78.3MB in the end (delta: 44.5MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2024-10-13 17:40:48,886 INFO L158 Benchmark]: Witness Printer took 62.92ms. Allocated memory is still 180.4MB. Free memory was 78.3MB in the beginning and 76.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 17:40:48,888 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 494.70ms. Allocated memory is still 180.4MB. Free memory was 111.4MB in the beginning and 145.8MB in the end (delta: -34.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.92ms. Allocated memory is still 180.4MB. Free memory was 145.8MB in the beginning and 143.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.23ms. Allocated memory is still 180.4MB. Free memory was 143.2MB in the beginning and 141.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 410.72ms. Allocated memory is still 180.4MB. Free memory was 141.1MB in the beginning and 123.3MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 2230.33ms. Allocated memory is still 180.4MB. Free memory was 122.8MB in the beginning and 78.3MB in the end (delta: 44.5MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. * Witness Printer took 62.92ms. Allocated memory is still 180.4MB. Free memory was 78.3MB in the beginning and 76.2MB 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,"Specification5_spec.i","") [49] - GenericResultAtLocation [Line: 101]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [101] - GenericResultAtLocation [Line: 261]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [261] - GenericResultAtLocation [Line: 343]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [343] - GenericResultAtLocation [Line: 413]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [413] - GenericResultAtLocation [Line: 422]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [422] - GenericResultAtLocation [Line: 522]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [522] - GenericResultAtLocation [Line: 888]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [888] * 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 5 locations. The remainder module has 268 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. 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, 9 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, 169 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 169 mSDsluCounter, 553 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 352 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 77 IncrementalHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 201 mSDtfsCounter, 77 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 355]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L53] int switchedOnBeforeTS ; [L111] int pumpRunning = 0; [L112] int systemActive = 1; [L264] int waterLevel = 1; [L265] int methaneLevelCritical = 0; [L423] int cleanupTimeShifts = 4; [L692] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L500] int retValue_acc ; [L501] int tmp ; [L505] FCALL select_helpers() [L506] FCALL select_features() [L507] CALL, EXPR valid_product() [L915] int retValue_acc ; [L918] retValue_acc = 1 [L919] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L507] RET, EXPR valid_product() [L507] tmp = valid_product() [L509] COND TRUE \read(tmp) [L511] FCALL setup() [L512] CALL runTest() [L490] CALL __utac_acc__Specification5_spec__1() [L58] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L490] RET __utac_acc__Specification5_spec__1() [L491] CALL test() [L346] int splverifierCounter ; [L347] int tmp ; [L348] int tmp___0 ; [L349] int tmp___1 ; [L350] int tmp___2 ; [L353] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L355] COND TRUE 1 [L357] COND TRUE splverifierCounter < 4 [L363] tmp = __VERIFIER_nondet_int() [L365] COND FALSE !(\read(tmp)) [L373] tmp___0 = __VERIFIER_nondet_int() [L375] COND FALSE !(\read(tmp___0)) [L383] tmp___2 = __VERIFIER_nondet_int() [L385] COND TRUE \read(tmp___2) [L387] CALL startSystem() [L257] systemActive = 1 [L387] RET startSystem() [L402] CALL timeShift() [L119] CALL __utac_acc__Specification5_spec__2() [L67] CALL, EXPR isPumpRunning() [L194] int retValue_acc ; [L197] retValue_acc = pumpRunning [L198] return (retValue_acc); [L67] RET, EXPR isPumpRunning() [L67] switchedOnBeforeTS = isPumpRunning() [L119] RET __utac_acc__Specification5_spec__2() [L121] COND FALSE !(\read(pumpRunning)) [L128] COND TRUE \read(systemActive) [L130] FCALL processEnvironment() [L136] CALL __utac_acc__Specification5_spec__3() [L73] int tmp ; [L74] int tmp___0 ; [L78] CALL, EXPR getWaterLevel() [L335] int retValue_acc ; [L338] retValue_acc = waterLevel [L339] return (retValue_acc); [L78] RET, EXPR getWaterLevel() [L78] tmp = getWaterLevel() [L80] COND TRUE tmp != 2 [L82] CALL, EXPR isPumpRunning() [L194] int retValue_acc ; [L197] retValue_acc = pumpRunning [L198] return (retValue_acc); [L82] RET, EXPR isPumpRunning() [L82] tmp___0 = isPumpRunning() [L84] COND FALSE !(\read(tmp___0)) [L136] RET __utac_acc__Specification5_spec__3() [L402] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 355]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L53] int switchedOnBeforeTS ; [L111] int pumpRunning = 0; [L112] int systemActive = 1; [L264] int waterLevel = 1; [L265] int methaneLevelCritical = 0; [L423] int cleanupTimeShifts = 4; [L692] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L500] int retValue_acc ; [L501] int tmp ; [L505] FCALL select_helpers() [L506] FCALL select_features() [L507] CALL, EXPR valid_product() [L915] int retValue_acc ; [L918] retValue_acc = 1 [L919] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L507] RET, EXPR valid_product() [L507] tmp = valid_product() [L509] COND TRUE \read(tmp) [L511] FCALL setup() [L512] CALL runTest() [L490] CALL __utac_acc__Specification5_spec__1() [L58] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L490] RET __utac_acc__Specification5_spec__1() [L491] CALL test() [L346] int splverifierCounter ; [L347] int tmp ; [L348] int tmp___0 ; [L349] int tmp___1 ; [L350] int tmp___2 ; [L353] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L355] COND TRUE 1 [L357] COND TRUE splverifierCounter < 4 [L363] tmp = __VERIFIER_nondet_int() [L365] COND FALSE !(\read(tmp)) [L373] tmp___0 = __VERIFIER_nondet_int() [L375] COND FALSE !(\read(tmp___0)) [L383] tmp___2 = __VERIFIER_nondet_int() [L385] COND TRUE \read(tmp___2) [L387] CALL startSystem() [L257] systemActive = 1 [L387] RET startSystem() [L402] CALL timeShift() [L119] CALL __utac_acc__Specification5_spec__2() [L67] CALL, EXPR isPumpRunning() [L194] int retValue_acc ; [L197] retValue_acc = pumpRunning [L198] return (retValue_acc); [L67] RET, EXPR isPumpRunning() [L67] switchedOnBeforeTS = isPumpRunning() [L119] RET __utac_acc__Specification5_spec__2() [L121] COND FALSE !(\read(pumpRunning)) [L128] COND TRUE \read(systemActive) [L130] FCALL processEnvironment() [L136] CALL __utac_acc__Specification5_spec__3() [L73] int tmp ; [L74] int tmp___0 ; [L78] CALL, EXPR getWaterLevel() [L335] int retValue_acc ; [L338] retValue_acc = waterLevel [L339] return (retValue_acc); [L78] RET, EXPR getWaterLevel() [L78] tmp = getWaterLevel() [L80] COND TRUE tmp != 2 [L82] CALL, EXPR isPumpRunning() [L194] int retValue_acc ; [L197] retValue_acc = pumpRunning [L198] return (retValue_acc); [L82] RET, EXPR isPumpRunning() [L82] tmp___0 = isPumpRunning() [L84] COND FALSE !(\read(tmp___0)) [L136] RET __utac_acc__Specification5_spec__3() [L402] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-10-13 17:40:48,918 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)