./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product51.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_spec4_product51.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 2165aefdca75c2370f155996346c5c4ea8ed352d96946243b70bd7ef162ab29f --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 16:03:45,515 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 16:03:45,585 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-09 16:03:45,589 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 16:03:45,589 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 16:03:45,617 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 16:03:45,618 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 16:03:45,618 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 16:03:45,619 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 16:03:45,620 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 16:03:45,621 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 16:03:45,621 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 16:03:45,621 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 16:03:45,622 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-09 16:03:45,624 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-09 16:03:45,625 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-09 16:03:45,625 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-09 16:03:45,625 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-09 16:03:45,629 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-09 16:03:45,630 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 16:03:45,630 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-09 16:03:45,630 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 16:03:45,631 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 16:03:45,631 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 16:03:45,631 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 16:03:45,631 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-09 16:03:45,631 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-09 16:03:45,632 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-09 16:03:45,632 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 16:03:45,632 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 16:03:45,632 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 16:03:45,632 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 16:03:45,633 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-09 16:03:45,633 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 16:03:45,633 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 16:03:45,633 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 16:03:45,634 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 16:03:45,634 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 16:03:45,637 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-09 16:03:45,637 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2165aefdca75c2370f155996346c5c4ea8ed352d96946243b70bd7ef162ab29f [2024-11-09 16:03:45,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 16:03:45,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 16:03:45,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 16:03:45,933 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 16:03:45,933 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 16:03:45,935 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c [2024-11-09 16:03:47,441 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 16:03:47,681 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 16:03:47,682 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c [2024-11-09 16:03:47,699 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63dab45b1/0f9be627d32140c9b6511742b50ee3de/FLAG7902066c8 [2024-11-09 16:03:47,714 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63dab45b1/0f9be627d32140c9b6511742b50ee3de [2024-11-09 16:03:47,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 16:03:47,717 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 16:03:47,718 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 16:03:47,719 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 16:03:47,723 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 16:03:47,724 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:03:47" (1/1) ... [2024-11-09 16:03:47,724 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@299eadc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:03:47, skipping insertion in model container [2024-11-09 16:03:47,724 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:03:47" (1/1) ... [2024-11-09 16:03:47,777 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 16:03:48,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 16:03:48,150 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 16:03:48,160 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-11-09 16:03:48,162 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [153] [2024-11-09 16:03:48,162 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [182] [2024-11-09 16:03:48,162 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [290] [2024-11-09 16:03:48,162 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [325] [2024-11-09 16:03:48,163 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [540] [2024-11-09 16:03:48,163 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [607] [2024-11-09 16:03:48,163 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [616] [2024-11-09 16:03:48,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 16:03:48,248 INFO L204 MainTranslator]: Completed translation [2024-11-09 16:03:48,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:03:48 WrapperNode [2024-11-09 16:03:48,249 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 16:03:48,250 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 16:03:48,250 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 16:03:48,251 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 16:03:48,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:03:48" (1/1) ... [2024-11-09 16:03:48,275 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:03:48" (1/1) ... [2024-11-09 16:03:48,313 INFO L138 Inliner]: procedures = 56, calls = 101, calls flagged for inlining = 54, calls inlined = 82, statements flattened = 556 [2024-11-09 16:03:48,314 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 16:03:48,315 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 16:03:48,315 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 16:03:48,315 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 16:03:48,329 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:03:48" (1/1) ... [2024-11-09 16:03:48,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:03:48" (1/1) ... [2024-11-09 16:03:48,333 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:03:48" (1/1) ... [2024-11-09 16:03:48,359 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 16:03:48,360 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:03:48" (1/1) ... [2024-11-09 16:03:48,360 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:03:48" (1/1) ... [2024-11-09 16:03:48,368 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:03:48" (1/1) ... [2024-11-09 16:03:48,374 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:03:48" (1/1) ... [2024-11-09 16:03:48,376 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:03:48" (1/1) ... [2024-11-09 16:03:48,378 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:03:48" (1/1) ... [2024-11-09 16:03:48,382 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 16:03:48,383 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 16:03:48,383 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 16:03:48,383 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 16:03:48,384 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:03:48" (1/1) ... [2024-11-09 16:03:48,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 16:03:48,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 16:03:48,447 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 16:03:48,450 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 16:03:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 16:03:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 16:03:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 16:03:48,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 16:03:48,594 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 16:03:48,598 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 16:03:49,041 INFO L? ?]: Removed 130 outVars from TransFormulas that were not future-live. [2024-11-09 16:03:49,041 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 16:03:49,064 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 16:03:49,065 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 16:03:49,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:03:49 BoogieIcfgContainer [2024-11-09 16:03:49,066 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 16:03:49,066 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-09 16:03:49,067 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-09 16:03:49,071 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-09 16:03:49,072 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 16:03:49,072 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 04:03:47" (1/3) ... [2024-11-09 16:03:49,073 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@651ce13c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 04:03:49, skipping insertion in model container [2024-11-09 16:03:49,073 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 16:03:49,074 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:03:48" (2/3) ... [2024-11-09 16:03:49,075 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@651ce13c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 04:03:49, skipping insertion in model container [2024-11-09 16:03:49,075 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 16:03:49,076 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:03:49" (3/3) ... [2024-11-09 16:03:49,077 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product51.cil.c [2024-11-09 16:03:49,142 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-09 16:03:49,143 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-09 16:03:49,144 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-09 16:03:49,144 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-09 16:03:49,144 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-09 16:03:49,144 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-09 16:03:49,144 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-09 16:03:49,144 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-09 16:03:49,154 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 169 states, 168 states have (on average 1.369047619047619) internal successors, (230), 168 states have internal predecessors, (230), 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 16:03:49,179 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 110 [2024-11-09 16:03:49,179 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 16:03:49,179 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 16:03:49,189 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:03:49,189 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:03:49,189 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-09 16:03:49,190 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 169 states, 168 states have (on average 1.369047619047619) internal successors, (230), 168 states have internal predecessors, (230), 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 16:03:49,197 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 110 [2024-11-09 16:03:49,198 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 16:03:49,198 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 16:03:49,198 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:03:49,198 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:03:49,203 INFO L745 eck$LassoCheckResult]: Stem: 29#$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; 43#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; 24#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 133#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~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 118#valid_product_returnLabel#1true main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 68#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 90#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 160#L551-2true [2024-11-09 16:03:49,203 INFO L747 eck$LassoCheckResult]: Loop: 160#L551-2true assume !false; 48#L552true assume test_~splverifierCounter~0#1 < 4; 99#L553true havoc test_#t~nondet26#1;test_~tmp~6#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 91#L561true assume !(0 != test_~tmp~6#1); 41#L561-2true havoc test_#t~nondet27#1;test_~tmp___0~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 151#L571true assume !(0 != test_~tmp___0~3#1); 35#L571-2true havoc test_#t~nondet28#1;test_~tmp___2~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 167#L581true assume 0 != test_~tmp___2~0#1; 78#L587-2true assume { :begin_inline_timeShift } true; 100#L336true assume !(0 != ~pumpRunning~0); 101#L336-2true assume !(0 != ~systemActive~0); 56#L343-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#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__Specification4_spec__1_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret5#1;havoc __utac_acc__Specification4_spec__1_#t~ret5#1; 14#L165true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 19#L165-1true havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 80#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 160#L551-2true [2024-11-09 16:03:49,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:03:49,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-09 16:03:49,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:03:49,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420295771] [2024-11-09 16:03:49,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:03:49,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:03:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:03:49,320 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:03:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:03:49,366 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:03:49,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:03:49,371 INFO L85 PathProgramCache]: Analyzing trace with hash 376891942, now seen corresponding path program 1 times [2024-11-09 16:03:49,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:03:49,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656851458] [2024-11-09 16:03:49,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:03:49,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:03:49,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:03:49,386 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:03:49,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:03:49,400 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:03:49,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:03:49,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1732311018, now seen corresponding path program 1 times [2024-11-09 16:03:49,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:03:49,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666320153] [2024-11-09 16:03:49,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:03:49,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:03:49,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 16:03:49,642 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 16:03:49,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 16:03:49,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666320153] [2024-11-09 16:03:49,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666320153] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 16:03:49,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 16:03:49,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 16:03:49,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193878480] [2024-11-09 16:03:49,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 16:03:49,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 16:03:49,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 16:03:49,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 16:03:49,862 INFO L87 Difference]: Start difference. First operand has 169 states, 168 states have (on average 1.369047619047619) internal successors, (230), 168 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 16:03:50,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 16:03:50,009 INFO L93 Difference]: Finished difference Result 383 states and 503 transitions. [2024-11-09 16:03:50,013 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 383 states and 503 transitions. [2024-11-09 16:03:50,028 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 247 [2024-11-09 16:03:50,038 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 383 states to 353 states and 473 transitions. [2024-11-09 16:03:50,039 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 353 [2024-11-09 16:03:50,041 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 353 [2024-11-09 16:03:50,041 INFO L73 IsDeterministic]: Start isDeterministic. Operand 353 states and 473 transitions. [2024-11-09 16:03:50,044 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 16:03:50,044 INFO L218 hiAutomatonCegarLoop]: Abstraction has 353 states and 473 transitions. [2024-11-09 16:03:50,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states and 473 transitions. [2024-11-09 16:03:50,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 205. [2024-11-09 16:03:50,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 205 states have (on average 1.3365853658536586) internal successors, (274), 204 states have internal predecessors, (274), 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 16:03:50,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 274 transitions. [2024-11-09 16:03:50,081 INFO L240 hiAutomatonCegarLoop]: Abstraction has 205 states and 274 transitions. [2024-11-09 16:03:50,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 16:03:50,088 INFO L425 stractBuchiCegarLoop]: Abstraction has 205 states and 274 transitions. [2024-11-09 16:03:50,088 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-09 16:03:50,088 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 205 states and 274 transitions. [2024-11-09 16:03:50,090 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 144 [2024-11-09 16:03:50,090 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 16:03:50,090 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 16:03:50,091 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:03:50,091 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:03:50,092 INFO L745 eck$LassoCheckResult]: Stem: 611#$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; 612#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; 608#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 609#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~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 710#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 662#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 663#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 672#L551-2 [2024-11-09 16:03:50,092 INFO L747 eck$LassoCheckResult]: Loop: 672#L551-2 assume !false; 638#L552 assume test_~splverifierCounter~0#1 < 4; 639#L553 havoc test_#t~nondet26#1;test_~tmp~6#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 680#L561 assume !(0 != test_~tmp~6#1); 629#L561-2 havoc test_#t~nondet27#1;test_~tmp___0~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 630#L571 assume !(0 != test_~tmp___0~3#1); 594#L571-2 havoc test_#t~nondet28#1;test_~tmp___2~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 621#L581 assume 0 != test_~tmp___2~0#1; 670#L587-2 assume { :begin_inline_timeShift } true; 671#L336 assume !(0 != ~pumpRunning~0); 690#L336-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 595#L394 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2#1; 596#L368-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 570#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 571#L368-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 655#L394-1 havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true; 650#L343-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#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; 651#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret5#1;havoc __utac_acc__Specification4_spec__1_#t~ret5#1; 586#L165 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 588#L165-1 havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 598#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 672#L551-2 [2024-11-09 16:03:50,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:03:50,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-09 16:03:50,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:03:50,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158242253] [2024-11-09 16:03:50,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:03:50,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:03:50,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:03:50,112 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:03:50,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:03:50,125 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:03:50,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:03:50,130 INFO L85 PathProgramCache]: Analyzing trace with hash 202055504, now seen corresponding path program 1 times [2024-11-09 16:03:50,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:03:50,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418079077] [2024-11-09 16:03:50,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:03:50,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:03:50,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 16:03:50,168 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 16:03:50,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 16:03:50,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418079077] [2024-11-09 16:03:50,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418079077] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 16:03:50,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 16:03:50,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 16:03:50,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866951355] [2024-11-09 16:03:50,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 16:03:50,171 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-09 16:03:50,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 16:03:50,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 16:03:50,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 16:03:50,173 INFO L87 Difference]: Start difference. First operand 205 states and 274 transitions. cyclomatic complexity: 72 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 16:03:50,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 16:03:50,264 INFO L93 Difference]: Finished difference Result 255 states and 325 transitions. [2024-11-09 16:03:50,264 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 255 states and 325 transitions. [2024-11-09 16:03:50,269 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 183 [2024-11-09 16:03:50,273 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 255 states to 255 states and 325 transitions. [2024-11-09 16:03:50,273 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 255 [2024-11-09 16:03:50,274 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 255 [2024-11-09 16:03:50,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 255 states and 325 transitions. [2024-11-09 16:03:50,275 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 16:03:50,276 INFO L218 hiAutomatonCegarLoop]: Abstraction has 255 states and 325 transitions. [2024-11-09 16:03:50,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states and 325 transitions. [2024-11-09 16:03:50,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2024-11-09 16:03:50,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 255 states have (on average 1.2745098039215685) internal successors, (325), 254 states have internal predecessors, (325), 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 16:03:50,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 325 transitions. [2024-11-09 16:03:50,285 INFO L240 hiAutomatonCegarLoop]: Abstraction has 255 states and 325 transitions. [2024-11-09 16:03:50,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 16:03:50,286 INFO L425 stractBuchiCegarLoop]: Abstraction has 255 states and 325 transitions. [2024-11-09 16:03:50,287 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-09 16:03:50,287 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 255 states and 325 transitions. [2024-11-09 16:03:50,288 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 183 [2024-11-09 16:03:50,288 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 16:03:50,289 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 16:03:50,289 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 16:03:50,289 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, 1] [2024-11-09 16:03:50,290 INFO L745 eck$LassoCheckResult]: Stem: 1075#$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; 1076#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; 1072#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1073#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~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 1184#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 1132#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1133#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1145#L551-2 [2024-11-09 16:03:50,290 INFO L747 eck$LassoCheckResult]: Loop: 1145#L551-2 assume !false; 1103#L552 assume test_~splverifierCounter~0#1 < 4; 1104#L553 havoc test_#t~nondet26#1;test_~tmp~6#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 1153#L561 assume !(0 != test_~tmp~6#1); 1094#L561-2 havoc test_#t~nondet27#1;test_~tmp___0~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 1095#L571 assume !(0 != test_~tmp___0~3#1); 1058#L571-2 havoc test_#t~nondet28#1;test_~tmp___2~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 1085#L581 assume 0 != test_~tmp___2~0#1; 1141#L587-2 assume { :begin_inline_timeShift } true; 1142#L336 assume !(0 != ~pumpRunning~0); 1163#L336-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 1059#L394 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2#1; 1060#L368-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret24#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~9#1;havoc isHighWaterLevel_~tmp~4#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~3#1;havoc isHighWaterSensorDry_~retValue_acc~3#1; 1067#L271-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~3#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; 1068#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret24#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~3#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret24#1;havoc isHighWaterLevel_#t~ret24#1; 1036#L496-3 assume 0 != isHighWaterLevel_~tmp~4#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1037#L496-5 isHighWaterLevel_~retValue_acc~9#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; 1086#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret13#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret24#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~2#1 := processEnvironment__wrappee__highWaterSensor_#t~ret13#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1; 1081#L372-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1083#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 1087#L368-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1124#L394-1 havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true; 1125#L343-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#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; 1143#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret5#1;havoc __utac_acc__Specification4_spec__1_#t~ret5#1; 1050#L165 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 1052#L165-1 havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 1144#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1145#L551-2 [2024-11-09 16:03:50,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:03:50,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-11-09 16:03:50,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:03:50,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892122781] [2024-11-09 16:03:50,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:03:50,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:03:50,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:03:50,300 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:03:50,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:03:50,308 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:03:50,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:03:50,309 INFO L85 PathProgramCache]: Analyzing trace with hash 578490280, now seen corresponding path program 1 times [2024-11-09 16:03:50,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:03:50,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722698006] [2024-11-09 16:03:50,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:03:50,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:03:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:03:50,325 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:03:50,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:03:50,340 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:03:50,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 16:03:50,343 INFO L85 PathProgramCache]: Analyzing trace with hash 953778020, now seen corresponding path program 1 times [2024-11-09 16:03:50,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 16:03:50,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715949882] [2024-11-09 16:03:50,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 16:03:50,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 16:03:50,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:03:50,361 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:03:50,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:03:50,384 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 16:03:51,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:03:51,351 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 16:03:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 16:03:51,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 04:03:51 BoogieIcfgContainer [2024-11-09 16:03:51,436 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-09 16:03:51,437 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 16:03:51,437 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 16:03:51,437 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 16:03:51,438 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:03:49" (3/4) ... [2024-11-09 16:03:51,441 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-09 16:03:51,495 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 16:03:51,496 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 16:03:51,496 INFO L158 Benchmark]: Toolchain (without parser) took 3779.12ms. Allocated memory was 159.4MB in the beginning and 197.1MB in the end (delta: 37.7MB). Free memory was 126.7MB in the beginning and 159.0MB in the end (delta: -32.3MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2024-11-09 16:03:51,497 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 78.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 16:03:51,497 INFO L158 Benchmark]: CACSL2BoogieTranslator took 531.21ms. Allocated memory is still 159.4MB. Free memory was 125.7MB in the beginning and 104.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 16:03:51,497 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.87ms. Allocated memory is still 159.4MB. Free memory was 104.8MB in the beginning and 101.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 16:03:51,498 INFO L158 Benchmark]: Boogie Preprocessor took 67.20ms. Allocated memory is still 159.4MB. Free memory was 101.6MB in the beginning and 98.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 16:03:51,498 INFO L158 Benchmark]: RCFGBuilder took 682.99ms. Allocated memory is still 159.4MB. Free memory was 98.5MB in the beginning and 70.1MB in the end (delta: 28.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-09 16:03:51,499 INFO L158 Benchmark]: BuchiAutomizer took 2369.94ms. Allocated memory was 159.4MB in the beginning and 197.1MB in the end (delta: 37.7MB). Free memory was 70.1MB in the beginning and 162.2MB in the end (delta: -92.0MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2024-11-09 16:03:51,499 INFO L158 Benchmark]: Witness Printer took 58.81ms. Allocated memory is still 197.1MB. Free memory was 162.2MB in the beginning and 159.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 16:03:51,501 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 78.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 531.21ms. Allocated memory is still 159.4MB. Free memory was 125.7MB in the beginning and 104.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.87ms. Allocated memory is still 159.4MB. Free memory was 104.8MB in the beginning and 101.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.20ms. Allocated memory is still 159.4MB. Free memory was 101.6MB in the beginning and 98.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 682.99ms. Allocated memory is still 159.4MB. Free memory was 98.5MB in the beginning and 70.1MB in the end (delta: 28.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2369.94ms. Allocated memory was 159.4MB in the beginning and 197.1MB in the end (delta: 37.7MB). Free memory was 70.1MB in the beginning and 162.2MB in the end (delta: -92.0MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. * Witness Printer took 58.81ms. Allocated memory is still 197.1MB. Free memory was 162.2MB in the beginning and 159.0MB in the end (delta: 3.2MB). 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: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [153] - GenericResultAtLocation [Line: 182]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [182] - GenericResultAtLocation [Line: 290]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [290] - GenericResultAtLocation [Line: 325]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [325] - GenericResultAtLocation [Line: 540]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [540] - GenericResultAtLocation [Line: 607]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [607] - GenericResultAtLocation [Line: 616]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [616] * 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 255 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 148 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 735 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 735 mSDsluCounter, 1215 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 802 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 67 IncrementalHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 413 mSDtfsCounter, 67 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: 551]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L188] int waterLevel = 1; [L189] int methaneLevelCritical = 0; [L329] int pumpRunning = 0; [L330] int systemActive = 1; [L786] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L317] int retValue_acc ; [L320] retValue_acc = 1 [L321] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L542] int splverifierCounter ; [L543] int tmp ; [L544] int tmp___0 ; [L545] int tmp___1 ; [L546] int tmp___2 ; [L549] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L551] COND TRUE 1 [L553] COND TRUE splverifierCounter < 4 [L559] tmp = __VERIFIER_nondet_int() [L561] COND FALSE !(\read(tmp)) [L569] tmp___0 = __VERIFIER_nondet_int() [L571] COND FALSE !(\read(tmp___0)) [L579] tmp___2 = __VERIFIER_nondet_int() [L581] COND TRUE \read(tmp___2) [L596] CALL timeShift() [L336] COND FALSE !(\read(pumpRunning)) [L343] COND TRUE \read(systemActive) [L345] CALL processEnvironment() [L391] int tmp ; [L394] COND FALSE !(\read(pumpRunning)) [L409] CALL processEnvironment__wrappee__highWaterSensor() [L365] int tmp ; [L368] COND TRUE ! pumpRunning [L370] CALL, EXPR isHighWaterLevel() [L488] int retValue_acc ; [L489] int tmp ; [L490] int tmp___0 ; [L494] CALL, EXPR isHighWaterSensorDry() [L268] int retValue_acc ; [L271] COND TRUE waterLevel < 2 [L272] retValue_acc = 1 [L273] return (retValue_acc); [L494] RET, EXPR isHighWaterSensorDry() [L494] tmp = isHighWaterSensorDry() [L496] COND TRUE \read(tmp) [L497] tmp___0 = 0 [L501] retValue_acc = tmp___0 [L502] return (retValue_acc); [L370] RET, EXPR isHighWaterLevel() [L370] tmp = isHighWaterLevel() [L372] COND FALSE !(\read(tmp)) [L378] FCALL processEnvironment__wrappee__base() [L409] RET processEnvironment__wrappee__highWaterSensor() [L345] RET processEnvironment() [L351] CALL __utac_acc__Specification4_spec__1() [L158] int tmp ; [L159] int tmp___0 ; [L163] CALL, EXPR getWaterLevel() [L259] int retValue_acc ; [L262] retValue_acc = waterLevel [L263] return (retValue_acc); [L163] RET, EXPR getWaterLevel() [L163] tmp = getWaterLevel() [L165] COND FALSE !(tmp == 0) [L351] RET __utac_acc__Specification4_spec__1() [L596] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 551]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L188] int waterLevel = 1; [L189] int methaneLevelCritical = 0; [L329] int pumpRunning = 0; [L330] int systemActive = 1; [L786] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L317] int retValue_acc ; [L320] retValue_acc = 1 [L321] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L542] int splverifierCounter ; [L543] int tmp ; [L544] int tmp___0 ; [L545] int tmp___1 ; [L546] int tmp___2 ; [L549] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L551] COND TRUE 1 [L553] COND TRUE splverifierCounter < 4 [L559] tmp = __VERIFIER_nondet_int() [L561] COND FALSE !(\read(tmp)) [L569] tmp___0 = __VERIFIER_nondet_int() [L571] COND FALSE !(\read(tmp___0)) [L579] tmp___2 = __VERIFIER_nondet_int() [L581] COND TRUE \read(tmp___2) [L596] CALL timeShift() [L336] COND FALSE !(\read(pumpRunning)) [L343] COND TRUE \read(systemActive) [L345] CALL processEnvironment() [L391] int tmp ; [L394] COND FALSE !(\read(pumpRunning)) [L409] CALL processEnvironment__wrappee__highWaterSensor() [L365] int tmp ; [L368] COND TRUE ! pumpRunning [L370] CALL, EXPR isHighWaterLevel() [L488] int retValue_acc ; [L489] int tmp ; [L490] int tmp___0 ; [L494] CALL, EXPR isHighWaterSensorDry() [L268] int retValue_acc ; [L271] COND TRUE waterLevel < 2 [L272] retValue_acc = 1 [L273] return (retValue_acc); [L494] RET, EXPR isHighWaterSensorDry() [L494] tmp = isHighWaterSensorDry() [L496] COND TRUE \read(tmp) [L497] tmp___0 = 0 [L501] retValue_acc = tmp___0 [L502] return (retValue_acc); [L370] RET, EXPR isHighWaterLevel() [L370] tmp = isHighWaterLevel() [L372] COND FALSE !(\read(tmp)) [L378] FCALL processEnvironment__wrappee__base() [L409] RET processEnvironment__wrappee__highWaterSensor() [L345] RET processEnvironment() [L351] CALL __utac_acc__Specification4_spec__1() [L158] int tmp ; [L159] int tmp___0 ; [L163] CALL, EXPR getWaterLevel() [L259] int retValue_acc ; [L262] retValue_acc = waterLevel [L263] return (retValue_acc); [L163] RET, EXPR getWaterLevel() [L163] tmp = getWaterLevel() [L165] COND FALSE !(tmp == 0) [L351] RET __utac_acc__Specification4_spec__1() [L596] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-09 16:03:51,536 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)