./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product48.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3061b6dc 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_product48.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 3a211ea3558de7a91964968ab789e94c34171c05a0686de6a2a53ff72a198e9d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 14:58:39,017 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 14:58:39,103 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-19 14:58:39,109 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 14:58:39,110 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 14:58:39,135 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 14:58:39,136 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 14:58:39,136 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 14:58:39,137 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 14:58:39,138 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 14:58:39,139 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 14:58:39,139 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 14:58:39,139 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 14:58:39,140 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-19 14:58:39,142 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-19 14:58:39,142 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-19 14:58:39,142 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-19 14:58:39,142 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-19 14:58:39,143 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-19 14:58:39,143 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 14:58:39,143 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-19 14:58:39,147 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 14:58:39,147 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 14:58:39,147 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 14:58:39,148 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 14:58:39,148 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-19 14:58:39,148 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-19 14:58:39,148 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-19 14:58:39,148 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 14:58:39,149 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 14:58:39,149 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 14:58:39,149 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 14:58:39,149 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-19 14:58:39,149 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 14:58:39,150 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 14:58:39,150 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 14:58:39,150 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 14:58:39,150 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 14:58:39,151 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-19 14:58:39,151 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a211ea3558de7a91964968ab789e94c34171c05a0686de6a2a53ff72a198e9d [2024-11-19 14:58:39,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 14:58:39,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 14:58:39,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 14:58:39,421 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 14:58:39,422 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 14:58:39,423 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product48.cil.c [2024-11-19 14:58:40,807 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 14:58:41,057 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 14:58:41,058 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product48.cil.c [2024-11-19 14:58:41,069 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be3cee60c/6aa347670ab24f99b90bce0bcf0a6db7/FLAGd52cc84a1 [2024-11-19 14:58:41,081 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be3cee60c/6aa347670ab24f99b90bce0bcf0a6db7 [2024-11-19 14:58:41,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 14:58:41,084 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 14:58:41,086 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 14:58:41,087 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 14:58:41,092 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 14:58:41,093 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:41" (1/1) ... [2024-11-19 14:58:41,094 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4290f0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:41, skipping insertion in model container [2024-11-19 14:58:41,094 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:41" (1/1) ... [2024-11-19 14:58:41,135 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 14:58:41,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:58:41,474 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 14:58:41,483 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [49] [2024-11-19 14:58:41,485 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [78] [2024-11-19 14:58:41,485 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [444] [2024-11-19 14:58:41,485 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [453] [2024-11-19 14:58:41,486 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [557] [2024-11-19 14:58:41,486 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [783] [2024-11-19 14:58:41,486 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [877] [2024-11-19 14:58:41,487 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [946] [2024-11-19 14:58:41,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:58:41,573 INFO L204 MainTranslator]: Completed translation [2024-11-19 14:58:41,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:41 WrapperNode [2024-11-19 14:58:41,574 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 14:58:41,575 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 14:58:41,575 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 14:58:41,575 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 14:58:41,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:41" (1/1) ... [2024-11-19 14:58:41,596 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:41" (1/1) ... [2024-11-19 14:58:41,636 INFO L138 Inliner]: procedures = 56, calls = 103, calls flagged for inlining = 56, calls inlined = 101, statements flattened = 667 [2024-11-19 14:58:41,640 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 14:58:41,641 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 14:58:41,641 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 14:58:41,641 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 14:58:41,653 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:41" (1/1) ... [2024-11-19 14:58:41,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:41" (1/1) ... [2024-11-19 14:58:41,658 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:41" (1/1) ... [2024-11-19 14:58:41,681 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]. [2024-11-19 14:58:41,681 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:41" (1/1) ... [2024-11-19 14:58:41,681 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:41" (1/1) ... [2024-11-19 14:58:41,691 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:41" (1/1) ... [2024-11-19 14:58:41,699 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:41" (1/1) ... [2024-11-19 14:58:41,701 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:41" (1/1) ... [2024-11-19 14:58:41,703 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:41" (1/1) ... [2024-11-19 14:58:41,711 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 14:58:41,715 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 14:58:41,715 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 14:58:41,715 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 14:58:41,716 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:41" (1/1) ... [2024-11-19 14:58:41,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:58:41,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:58:41,760 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) [2024-11-19 14:58:41,764 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 [2024-11-19 14:58:41,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 14:58:41,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 14:58:41,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 14:58:41,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 14:58:41,904 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 14:58:41,907 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 14:58:42,424 INFO L? ?]: Removed 157 outVars from TransFormulas that were not future-live. [2024-11-19 14:58:42,425 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 14:58:42,442 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 14:58:42,442 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 14:58:42,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:42 BoogieIcfgContainer [2024-11-19 14:58:42,443 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 14:58:42,444 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-19 14:58:42,444 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-19 14:58:42,448 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-19 14:58:42,449 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:58:42,449 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 02:58:41" (1/3) ... [2024-11-19 14:58:42,450 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@252b9a34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:58:42, skipping insertion in model container [2024-11-19 14:58:42,450 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:58:42,450 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:41" (2/3) ... [2024-11-19 14:58:42,450 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@252b9a34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:58:42, skipping insertion in model container [2024-11-19 14:58:42,450 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:58:42,450 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:42" (3/3) ... [2024-11-19 14:58:42,451 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product48.cil.c [2024-11-19 14:58:42,509 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-19 14:58:42,509 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-19 14:58:42,509 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-19 14:58:42,509 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-19 14:58:42,509 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-19 14:58:42,510 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-19 14:58:42,510 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-19 14:58:42,510 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-19 14:58:42,516 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 188 states, 187 states have (on average 1.3475935828877006) internal successors, (252), 187 states have internal predecessors, (252), 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) [2024-11-19 14:58:42,546 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 123 [2024-11-19 14:58:42,547 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:58:42,547 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:58:42,554 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:58:42,555 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:58:42,555 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-19 14:58:42,556 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 188 states, 187 states have (on average 1.3475935828877006) internal successors, (252), 187 states have internal predecessors, (252), 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) [2024-11-19 14:58:42,568 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 123 [2024-11-19 14:58:42,569 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:58:42,569 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:58:42,569 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:58:42,570 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:58:42,578 INFO L745 eck$LassoCheckResult]: Stem: 37#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 51#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 31#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 152#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 129#valid_product_returnLabel#1true main_#t~ret29#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret29#1;havoc main_#t~ret29#1; 155#L544true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 100#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 90#L888-2true [2024-11-19 14:58:42,579 INFO L747 eck$LassoCheckResult]: Loop: 90#L888-2true assume !false; 14#L889true assume test_~splverifierCounter~0#1 < 4; 65#L890true havoc test_#t~nondet48#1;test_~tmp~9#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 126#L898true assume !(0 != test_~tmp~9#1); 54#L898-2true havoc test_#t~nondet49#1;test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 103#L908true assume !(0 != test_~tmp___0~2#1); 13#L908-2true havoc test_#t~nondet50#1;test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 21#L918true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet51#1;test_~tmp___1~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 141#L926true assume !(0 != test_~tmp___1~0#1); 146#L926-2true assume { :begin_inline_timeShift } true; 69#L573true assume !(0 != ~pumpRunning~0); 158#L573-2true assume !(0 != ~systemActive~0); 177#L580-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; 82#getWaterLevel_returnLabel#1true __utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; 102#L61true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 162#L61-1true havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 83#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 90#L888-2true [2024-11-19 14:58:42,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:58:42,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-19 14:58:42,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:58:42,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977095430] [2024-11-19 14:58:42,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:58:42,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:58:42,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:58:42,692 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:58:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:58:42,738 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:58:42,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:58:42,741 INFO L85 PathProgramCache]: Analyzing trace with hash -399537263, now seen corresponding path program 1 times [2024-11-19 14:58:42,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:58:42,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233546440] [2024-11-19 14:58:42,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:58:42,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:58:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:58:42,754 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:58:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:58:42,768 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:58:42,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:58:42,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1331218867, now seen corresponding path program 1 times [2024-11-19 14:58:42,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:58:42,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091368318] [2024-11-19 14:58:42,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:58:42,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:58:42,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:58:43,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:58:43,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:58:43,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091368318] [2024-11-19 14:58:43,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091368318] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:58:43,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:58:43,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 14:58:43,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14668410] [2024-11-19 14:58:43,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:58:43,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:58:43,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 14:58:43,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 14:58:43,196 INFO L87 Difference]: Start difference. First operand has 188 states, 187 states have (on average 1.3475935828877006) internal successors, (252), 187 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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) [2024-11-19 14:58:43,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:58:43,331 INFO L93 Difference]: Finished difference Result 420 states and 546 transitions. [2024-11-19 14:58:43,333 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 420 states and 546 transitions. [2024-11-19 14:58:43,345 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 275 [2024-11-19 14:58:43,354 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 420 states to 390 states and 516 transitions. [2024-11-19 14:58:43,354 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 390 [2024-11-19 14:58:43,357 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 390 [2024-11-19 14:58:43,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 390 states and 516 transitions. [2024-11-19 14:58:43,360 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:58:43,360 INFO L218 hiAutomatonCegarLoop]: Abstraction has 390 states and 516 transitions. [2024-11-19 14:58:43,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states and 516 transitions. [2024-11-19 14:58:43,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 224. [2024-11-19 14:58:43,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 224 states have (on average 1.3214285714285714) internal successors, (296), 223 states have internal predecessors, (296), 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) [2024-11-19 14:58:43,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 296 transitions. [2024-11-19 14:58:43,401 INFO L240 hiAutomatonCegarLoop]: Abstraction has 224 states and 296 transitions. [2024-11-19 14:58:43,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 14:58:43,406 INFO L425 stractBuchiCegarLoop]: Abstraction has 224 states and 296 transitions. [2024-11-19 14:58:43,407 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-19 14:58:43,407 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 224 states and 296 transitions. [2024-11-19 14:58:43,408 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 157 [2024-11-19 14:58:43,409 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:58:43,409 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:58:43,409 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:58:43,409 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] [2024-11-19 14:58:43,410 INFO L745 eck$LassoCheckResult]: Stem: 684#$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);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 685#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 675#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 676#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 778#valid_product_returnLabel#1 main_#t~ret29#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret29#1;havoc main_#t~ret29#1; 779#L544 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 756#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 741#L888-2 [2024-11-19 14:58:43,410 INFO L747 eck$LassoCheckResult]: Loop: 741#L888-2 assume !false; 642#L889 assume test_~splverifierCounter~0#1 < 4; 643#L890 havoc test_#t~nondet48#1;test_~tmp~9#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 722#L898 assume !(0 != test_~tmp~9#1); 706#L898-2 havoc test_#t~nondet49#1;test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 707#L908 assume !(0 != test_~tmp___0~2#1); 640#L908-2 havoc test_#t~nondet50#1;test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 641#L918 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet51#1;test_~tmp___1~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 656#L926 assume !(0 != test_~tmp___1~0#1); 731#L926-2 assume { :begin_inline_timeShift } true; 728#L573 assume !(0 != ~pumpRunning~0); 729#L573-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 761#L631 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret30#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~5#1; 762#L605-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 626#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 627#L605-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret30#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 723#L631-1 havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 737#L580-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; 738#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; 739#L61 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 759#L61-1 havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 740#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 741#L888-2 [2024-11-19 14:58:43,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:58:43,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-19 14:58:43,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:58:43,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030556024] [2024-11-19 14:58:43,411 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 14:58:43,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:58:43,424 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 14:58:43,424 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:58:43,424 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:58:43,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:58:43,441 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:58:43,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:58:43,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1432803373, now seen corresponding path program 1 times [2024-11-19 14:58:43,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:58:43,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851311768] [2024-11-19 14:58:43,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:58:43,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:58:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:58:43,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:58:43,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:58:43,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851311768] [2024-11-19 14:58:43,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851311768] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:58:43,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:58:43,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 14:58:43,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859672492] [2024-11-19 14:58:43,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:58:43,479 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-19 14:58:43,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:58:43,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 14:58:43,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 14:58:43,480 INFO L87 Difference]: Start difference. First operand 224 states and 296 transitions. cyclomatic complexity: 75 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2024-11-19 14:58:43,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:58:43,570 INFO L93 Difference]: Finished difference Result 281 states and 354 transitions. [2024-11-19 14:58:43,570 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 281 states and 354 transitions. [2024-11-19 14:58:43,572 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 201 [2024-11-19 14:58:43,574 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 281 states to 281 states and 354 transitions. [2024-11-19 14:58:43,574 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 281 [2024-11-19 14:58:43,574 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 281 [2024-11-19 14:58:43,575 INFO L73 IsDeterministic]: Start isDeterministic. Operand 281 states and 354 transitions. [2024-11-19 14:58:43,576 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:58:43,576 INFO L218 hiAutomatonCegarLoop]: Abstraction has 281 states and 354 transitions. [2024-11-19 14:58:43,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states and 354 transitions. [2024-11-19 14:58:43,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2024-11-19 14:58:43,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 281 states have (on average 1.2597864768683273) internal successors, (354), 280 states have internal predecessors, (354), 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) [2024-11-19 14:58:43,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 354 transitions. [2024-11-19 14:58:43,587 INFO L240 hiAutomatonCegarLoop]: Abstraction has 281 states and 354 transitions. [2024-11-19 14:58:43,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 14:58:43,588 INFO L425 stractBuchiCegarLoop]: Abstraction has 281 states and 354 transitions. [2024-11-19 14:58:43,588 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-19 14:58:43,588 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 281 states and 354 transitions. [2024-11-19 14:58:43,590 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 201 [2024-11-19 14:58:43,590 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:58:43,590 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:58:43,591 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:58:43,591 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, 1] [2024-11-19 14:58:43,591 INFO L745 eck$LassoCheckResult]: Stem: 1195#$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);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1196#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 1186#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1187#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 1302#valid_product_returnLabel#1 main_#t~ret29#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret29#1;havoc main_#t~ret29#1; 1303#L544 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 1274#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1258#L888-2 [2024-11-19 14:58:43,592 INFO L747 eck$LassoCheckResult]: Loop: 1258#L888-2 assume !false; 1151#L889 assume test_~splverifierCounter~0#1 < 4; 1152#L890 havoc test_#t~nondet48#1;test_~tmp~9#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 1416#L898 assume !(0 != test_~tmp~9#1); 1414#L898-2 havoc test_#t~nondet49#1;test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 1413#L908 assume !(0 != test_~tmp___0~2#1); 1412#L908-2 havoc test_#t~nondet50#1;test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 1166#L918 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1168#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 1247#L926-2 assume { :begin_inline_timeShift } true; 1411#L573 assume !(0 != ~pumpRunning~0); 1316#L573-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 1280#L631 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret30#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~5#1; 1281#L605-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret42#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~6#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~9#1;havoc isHighWaterSensorDry_~retValue_acc~9#1; 1141#L867-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1; 1142#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret42#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~9#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret42#1;havoc isHighWaterLevel_#t~ret42#1; 1217#L750-3 assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1271#L750-5 isHighWaterLevel_~retValue_acc~6#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; 1272#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__methaneQuery_#t~ret30#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret42#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~5#1 := processEnvironment__wrappee__methaneQuery_#t~ret30#1;havoc processEnvironment__wrappee__methaneQuery_#t~ret30#1; 1296#L609-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1207#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 1208#L605-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret30#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1238#L631-1 havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 1254#L580-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; 1255#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; 1256#L61 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 1278#L61-1 havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 1257#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1258#L888-2 [2024-11-19 14:58:43,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:58:43,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-11-19 14:58:43,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:58:43,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725037623] [2024-11-19 14:58:43,593 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 14:58:43,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:58:43,605 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 14:58:43,605 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:58:43,605 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:58:43,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:58:43,620 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:58:43,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:58:43,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1117721817, now seen corresponding path program 1 times [2024-11-19 14:58:43,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:58:43,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655890546] [2024-11-19 14:58:43,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:58:43,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:58:43,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:58:43,636 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:58:43,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:58:43,645 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:58:43,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:58:43,647 INFO L85 PathProgramCache]: Analyzing trace with hash -133260131, now seen corresponding path program 1 times [2024-11-19 14:58:43,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:58:43,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210202164] [2024-11-19 14:58:43,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:58:43,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:58:43,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:58:43,666 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:58:43,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:58:43,677 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:58:44,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:58:44,627 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:58:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:58:44,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 02:58:44 BoogieIcfgContainer [2024-11-19 14:58:44,681 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-19 14:58:44,681 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 14:58:44,681 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 14:58:44,682 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 14:58:44,682 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:42" (3/4) ... [2024-11-19 14:58:44,683 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-19 14:58:44,756 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 14:58:44,757 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 14:58:44,757 INFO L158 Benchmark]: Toolchain (without parser) took 3672.89ms. Allocated memory was 134.2MB in the beginning and 209.7MB in the end (delta: 75.5MB). Free memory was 62.2MB in the beginning and 159.0MB in the end (delta: -96.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:58:44,758 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 134.2MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:58:44,758 INFO L158 Benchmark]: CACSL2BoogieTranslator took 487.69ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 61.9MB in the beginning and 129.6MB in the end (delta: -67.7MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2024-11-19 14:58:44,758 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.63ms. Allocated memory is still 161.5MB. Free memory was 129.6MB in the beginning and 125.7MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 14:58:44,758 INFO L158 Benchmark]: Boogie Preprocessor took 73.16ms. Allocated memory is still 161.5MB. Free memory was 125.7MB in the beginning and 122.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 14:58:44,759 INFO L158 Benchmark]: RCFGBuilder took 728.29ms. Allocated memory is still 161.5MB. Free memory was 122.4MB in the beginning and 92.1MB in the end (delta: 30.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-19 14:58:44,759 INFO L158 Benchmark]: BuchiAutomizer took 2237.07ms. Allocated memory was 161.5MB in the beginning and 209.7MB in the end (delta: 48.2MB). Free memory was 92.1MB in the beginning and 162.1MB in the end (delta: -70.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:58:44,759 INFO L158 Benchmark]: Witness Printer took 75.34ms. Allocated memory is still 209.7MB. Free memory was 162.1MB in the beginning and 159.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:58:44,764 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 134.2MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 487.69ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 61.9MB in the beginning and 129.6MB in the end (delta: -67.7MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.63ms. Allocated memory is still 161.5MB. Free memory was 129.6MB in the beginning and 125.7MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.16ms. Allocated memory is still 161.5MB. Free memory was 125.7MB in the beginning and 122.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 728.29ms. Allocated memory is still 161.5MB. Free memory was 122.4MB in the beginning and 92.1MB in the end (delta: 30.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2237.07ms. Allocated memory was 161.5MB in the beginning and 209.7MB in the end (delta: 48.2MB). Free memory was 92.1MB in the beginning and 162.1MB in the end (delta: -70.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 75.34ms. Allocated memory is still 209.7MB. Free memory was 162.1MB in the beginning and 159.0MB in the end (delta: 3.1MB). 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,"Specification4_spec.i","") [49] - GenericResultAtLocation [Line: 78]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [78] - GenericResultAtLocation [Line: 444]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [444] - GenericResultAtLocation [Line: 453]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [453] - GenericResultAtLocation [Line: 557]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [557] - GenericResultAtLocation [Line: 783]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [783] - GenericResultAtLocation [Line: 877]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [877] - GenericResultAtLocation [Line: 946]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [946] * 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 281 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, 166 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, 826 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 826 mSDsluCounter, 1315 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 861 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69 IncrementalHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 454 mSDtfsCounter, 69 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: 888]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L248] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L454] int cleanupTimeShifts = 4; [L566] int pumpRunning = 0; [L567] int systemActive = 1; [L784] int waterLevel = 1; [L785] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L535] int retValue_acc ; [L536] int tmp ; [L540] FCALL select_helpers() [L541] FCALL select_features() [L542] CALL, EXPR valid_product() [L973] int retValue_acc ; [L976] retValue_acc = 1 [L977] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L542] RET, EXPR valid_product() [L542] tmp = valid_product() [L544] COND TRUE \read(tmp) [L546] FCALL setup() [L547] CALL runTest() [L526] CALL test() [L879] int splverifierCounter ; [L880] int tmp ; [L881] int tmp___0 ; [L882] int tmp___1 ; [L883] int tmp___2 ; [L886] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L888] COND TRUE 1 [L890] COND TRUE splverifierCounter < 4 [L896] tmp = __VERIFIER_nondet_int() [L898] COND FALSE !(\read(tmp)) [L906] tmp___0 = __VERIFIER_nondet_int() [L908] COND FALSE !(\read(tmp___0)) [L916] tmp___2 = __VERIFIER_nondet_int() [L918] COND TRUE \read(tmp___2) [L920] CALL startSystem() [L779] systemActive = 1 [L920] RET startSystem() [L935] CALL timeShift() [L573] COND FALSE !(\read(pumpRunning)) [L580] COND TRUE \read(systemActive) [L582] CALL processEnvironment() [L628] int tmp ; [L631] COND FALSE !(\read(pumpRunning)) [L646] CALL processEnvironment__wrappee__methaneQuery() [L602] int tmp ; [L605] COND TRUE ! pumpRunning [L607] CALL, EXPR isHighWaterLevel() [L742] int retValue_acc ; [L743] int tmp ; [L744] int tmp___0 ; [L748] CALL, EXPR isHighWaterSensorDry() [L864] int retValue_acc ; [L867] COND TRUE waterLevel < 2 [L868] retValue_acc = 1 [L869] return (retValue_acc); [L748] RET, EXPR isHighWaterSensorDry() [L748] tmp = isHighWaterSensorDry() [L750] COND TRUE \read(tmp) [L751] tmp___0 = 0 [L755] retValue_acc = tmp___0 [L756] return (retValue_acc); [L607] RET, EXPR isHighWaterLevel() [L607] tmp = isHighWaterLevel() [L609] COND FALSE !(\read(tmp)) [L615] FCALL processEnvironment__wrappee__base() [L646] RET processEnvironment__wrappee__methaneQuery() [L582] RET processEnvironment() [L588] CALL __utac_acc__Specification4_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR getWaterLevel() [L855] int retValue_acc ; [L858] retValue_acc = waterLevel [L859] return (retValue_acc); [L59] RET, EXPR getWaterLevel() [L59] tmp = getWaterLevel() [L61] COND FALSE !(tmp == 0) [L588] RET __utac_acc__Specification4_spec__1() [L935] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 888]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L248] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L454] int cleanupTimeShifts = 4; [L566] int pumpRunning = 0; [L567] int systemActive = 1; [L784] int waterLevel = 1; [L785] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L535] int retValue_acc ; [L536] int tmp ; [L540] FCALL select_helpers() [L541] FCALL select_features() [L542] CALL, EXPR valid_product() [L973] int retValue_acc ; [L976] retValue_acc = 1 [L977] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L542] RET, EXPR valid_product() [L542] tmp = valid_product() [L544] COND TRUE \read(tmp) [L546] FCALL setup() [L547] CALL runTest() [L526] CALL test() [L879] int splverifierCounter ; [L880] int tmp ; [L881] int tmp___0 ; [L882] int tmp___1 ; [L883] int tmp___2 ; [L886] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L888] COND TRUE 1 [L890] COND TRUE splverifierCounter < 4 [L896] tmp = __VERIFIER_nondet_int() [L898] COND FALSE !(\read(tmp)) [L906] tmp___0 = __VERIFIER_nondet_int() [L908] COND FALSE !(\read(tmp___0)) [L916] tmp___2 = __VERIFIER_nondet_int() [L918] COND TRUE \read(tmp___2) [L920] CALL startSystem() [L779] systemActive = 1 [L920] RET startSystem() [L935] CALL timeShift() [L573] COND FALSE !(\read(pumpRunning)) [L580] COND TRUE \read(systemActive) [L582] CALL processEnvironment() [L628] int tmp ; [L631] COND FALSE !(\read(pumpRunning)) [L646] CALL processEnvironment__wrappee__methaneQuery() [L602] int tmp ; [L605] COND TRUE ! pumpRunning [L607] CALL, EXPR isHighWaterLevel() [L742] int retValue_acc ; [L743] int tmp ; [L744] int tmp___0 ; [L748] CALL, EXPR isHighWaterSensorDry() [L864] int retValue_acc ; [L867] COND TRUE waterLevel < 2 [L868] retValue_acc = 1 [L869] return (retValue_acc); [L748] RET, EXPR isHighWaterSensorDry() [L748] tmp = isHighWaterSensorDry() [L750] COND TRUE \read(tmp) [L751] tmp___0 = 0 [L755] retValue_acc = tmp___0 [L756] return (retValue_acc); [L607] RET, EXPR isHighWaterLevel() [L607] tmp = isHighWaterLevel() [L609] COND FALSE !(\read(tmp)) [L615] FCALL processEnvironment__wrappee__base() [L646] RET processEnvironment__wrappee__methaneQuery() [L582] RET processEnvironment() [L588] CALL __utac_acc__Specification4_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR getWaterLevel() [L855] int retValue_acc ; [L858] retValue_acc = waterLevel [L859] return (retValue_acc); [L59] RET, EXPR getWaterLevel() [L59] tmp = getWaterLevel() [L61] COND FALSE !(tmp == 0) [L588] RET __utac_acc__Specification4_spec__1() [L935] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-19 14:58:44,797 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)