./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product07.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 005abaec2a454c7fb65798a6dda24f313852a7f1e057438fd3d0e339e7c67228 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 21:41:01,385 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 21:41:01,455 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-12 21:41:01,459 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 21:41:01,461 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 21:41:01,492 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 21:41:01,492 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 21:41:01,493 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 21:41:01,493 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 21:41:01,497 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 21:41:01,497 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 21:41:01,498 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 21:41:01,498 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 21:41:01,498 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-12 21:41:01,499 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-12 21:41:01,499 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-12 21:41:01,499 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-12 21:41:01,499 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-12 21:41:01,499 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-12 21:41:01,500 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 21:41:01,500 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-12 21:41:01,502 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 21:41:01,503 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 21:41:01,503 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 21:41:01,503 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 21:41:01,503 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-12 21:41:01,504 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-12 21:41:01,504 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-12 21:41:01,504 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 21:41:01,504 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 21:41:01,505 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 21:41:01,505 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 21:41:01,506 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-12 21:41:01,506 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 21:41:01,506 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 21:41:01,507 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 21:41:01,507 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 21:41:01,507 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 21:41:01,508 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-12 21:41:01,508 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 005abaec2a454c7fb65798a6dda24f313852a7f1e057438fd3d0e339e7c67228 [2024-11-12 21:41:01,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 21:41:01,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 21:41:01,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 21:41:01,779 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 21:41:01,779 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 21:41:01,780 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c [2024-11-12 21:41:03,269 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 21:41:03,519 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 21:41:03,524 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c [2024-11-12 21:41:03,536 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b52e74130/0507b2bdc4c044ae84aa42188fa22242/FLAG0019f0a42 [2024-11-12 21:41:03,837 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b52e74130/0507b2bdc4c044ae84aa42188fa22242 [2024-11-12 21:41:03,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 21:41:03,841 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 21:41:03,843 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 21:41:03,843 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 21:41:03,848 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 21:41:03,848 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:41:03" (1/1) ... [2024-11-12 21:41:03,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6722a09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:41:03, skipping insertion in model container [2024-11-12 21:41:03,849 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:41:03" (1/1) ... [2024-11-12 21:41:03,891 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 21:41:04,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:41:04,253 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 21:41:04,264 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-11-12 21:41:04,265 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [155] [2024-11-12 21:41:04,265 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [239] [2024-11-12 21:41:04,265 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [290] [2024-11-12 21:41:04,266 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [358] [2024-11-12 21:41:04,266 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [511] [2024-11-12 21:41:04,266 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [520] [2024-11-12 21:41:04,266 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [555] [2024-11-12 21:41:04,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:41:04,368 INFO L204 MainTranslator]: Completed translation [2024-11-12 21:41:04,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:41:04 WrapperNode [2024-11-12 21:41:04,368 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 21:41:04,370 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 21:41:04,370 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 21:41:04,370 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 21:41:04,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:41:04" (1/1) ... [2024-11-12 21:41:04,393 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:41:04" (1/1) ... [2024-11-12 21:41:04,421 INFO L138 Inliner]: procedures = 53, calls = 98, calls flagged for inlining = 51, calls inlined = 59, statements flattened = 356 [2024-11-12 21:41:04,423 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 21:41:04,424 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 21:41:04,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 21:41:04,424 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 21:41:04,433 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:41:04" (1/1) ... [2024-11-12 21:41:04,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:41:04" (1/1) ... [2024-11-12 21:41:04,435 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:41:04" (1/1) ... [2024-11-12 21:41:04,459 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]. [2024-11-12 21:41:04,459 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:41:04" (1/1) ... [2024-11-12 21:41:04,459 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:41:04" (1/1) ... [2024-11-12 21:41:04,465 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:41:04" (1/1) ... [2024-11-12 21:41:04,472 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:41:04" (1/1) ... [2024-11-12 21:41:04,474 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:41:04" (1/1) ... [2024-11-12 21:41:04,475 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:41:04" (1/1) ... [2024-11-12 21:41:04,478 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 21:41:04,479 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 21:41:04,479 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 21:41:04,479 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 21:41:04,480 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:41:04" (1/1) ... [2024-11-12 21:41:04,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:41:04,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:41:04,526 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) [2024-11-12 21:41:04,533 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 [2024-11-12 21:41:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 21:41:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 21:41:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 21:41:04,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 21:41:04,706 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 21:41:04,708 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 21:41:05,003 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2024-11-12 21:41:05,003 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 21:41:05,015 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 21:41:05,016 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-12 21:41:05,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:41:05 BoogieIcfgContainer [2024-11-12 21:41:05,018 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 21:41:05,019 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-12 21:41:05,019 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-12 21:41:05,026 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-12 21:41:05,026 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:41:05,026 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 09:41:03" (1/3) ... [2024-11-12 21:41:05,027 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3524eb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:41:05, skipping insertion in model container [2024-11-12 21:41:05,027 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:41:05,027 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:41:04" (2/3) ... [2024-11-12 21:41:05,027 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3524eb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:41:05, skipping insertion in model container [2024-11-12 21:41:05,028 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:41:05,028 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:41:05" (3/3) ... [2024-11-12 21:41:05,029 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product07.cil.c [2024-11-12 21:41:05,069 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2024-11-12 21:41:05,069 INFO L302 stractBuchiCegarLoop]: Hoare is None [2024-11-12 21:41:05,069 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-12 21:41:05,069 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-12 21:41:05,069 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-12 21:41:05,069 INFO L306 stractBuchiCegarLoop]: Difference is false [2024-11-12 21:41:05,069 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-12 21:41:05,070 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-12 21:41:05,073 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 113 states, 112 states have (on average 1.3392857142857142) internal successors, (150), 112 states have internal predecessors, (150), 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) [2024-11-12 21:41:05,092 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 72 [2024-11-12 21:41:05,092 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:41:05,093 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:41:05,098 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:41:05,098 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:41:05,098 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-12 21:41:05,099 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 113 states, 112 states have (on average 1.3392857142857142) internal successors, (150), 112 states have internal predecessors, (150), 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) [2024-11-12 21:41:05,104 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 72 [2024-11-12 21:41:05,104 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:41:05,104 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:41:05,105 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:41:05,105 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:41:05,109 INFO L747 eck$LassoCheckResult]: Stem: "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;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;" "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;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "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;" "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;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-12 21:41:05,110 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet13#1;test_~tmp~2#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1;" "assume !(0 != test_~tmp~2#1);" "havoc test_#t~nondet14#1;test_~tmp___0~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet15#1;test_~tmp___2~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret10#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1;" "__utac_acc__Specification5_spec__2_#t~ret10#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret10#1;havoc __utac_acc__Specification5_spec__2_#t~ret10#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret10#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_#t~ret12#1, __utac_acc__Specification5_spec__3_~tmp~1#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~1#1;havoc __utac_acc__Specification5_spec__3_~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;" "__utac_acc__Specification5_spec__3_#t~ret11#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~1#1 := __utac_acc__Specification5_spec__3_#t~ret11#1;havoc __utac_acc__Specification5_spec__3_#t~ret11#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~1#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_#t~ret12#1, __utac_acc__Specification5_spec__3_~tmp~1#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2024-11-12 21:41:05,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:41:05,116 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-12 21:41:05,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:41:05,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758917865] [2024-11-12 21:41:05,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:41:05,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:41:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:41:05,225 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:41:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:41:05,263 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:41:05,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:41:05,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1362689682, now seen corresponding path program 1 times [2024-11-12 21:41:05,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:41:05,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059282105] [2024-11-12 21:41:05,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:41:05,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:41:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:41:05,277 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:41:05,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:41:05,285 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:41:05,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:41:05,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1592925207, now seen corresponding path program 1 times [2024-11-12 21:41:05,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:41:05,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859765525] [2024-11-12 21:41:05,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:41:05,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:41:05,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:41:05,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:41:05,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859765525] [2024-11-12 21:41:05,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859765525] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:41:05,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072376970] [2024-11-12 21:41:05,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:41:05,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:41:05,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:41:05,521 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:41:05,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 21:41:05,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:41:05,616 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 21:41:05,617 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:41:05,678 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:41:05,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1072376970] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:41:05,735 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:41:05,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-11-12 21:41:05,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930862626] [2024-11-12 21:41:05,737 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:41:05,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:41:05,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 21:41:05,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-12 21:41:05,890 INFO L87 Difference]: Start difference. First operand has 113 states, 112 states have (on average 1.3392857142857142) internal successors, (150), 112 states have internal predecessors, (150), 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 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 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) [2024-11-12 21:41:06,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:41:06,025 INFO L93 Difference]: Finished difference Result 279 states and 354 transitions. [2024-11-12 21:41:06,026 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 279 states and 354 transitions. [2024-11-12 21:41:06,033 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 177 [2024-11-12 21:41:06,039 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 279 states to 249 states and 324 transitions. [2024-11-12 21:41:06,040 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 249 [2024-11-12 21:41:06,044 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 249 [2024-11-12 21:41:06,044 INFO L73 IsDeterministic]: Start isDeterministic. Operand 249 states and 324 transitions. [2024-11-12 21:41:06,046 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 21:41:06,048 INFO L218 hiAutomatonCegarLoop]: Abstraction has 249 states and 324 transitions. [2024-11-12 21:41:06,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states and 324 transitions. [2024-11-12 21:41:06,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 158. [2024-11-12 21:41:06,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 158 states have (on average 1.3037974683544304) internal successors, (206), 157 states have internal predecessors, (206), 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) [2024-11-12 21:41:06,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 206 transitions. [2024-11-12 21:41:06,095 INFO L240 hiAutomatonCegarLoop]: Abstraction has 158 states and 206 transitions. [2024-11-12 21:41:06,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 21:41:06,102 INFO L426 stractBuchiCegarLoop]: Abstraction has 158 states and 206 transitions. [2024-11-12 21:41:06,104 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-12 21:41:06,104 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 158 states and 206 transitions. [2024-11-12 21:41:06,108 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 112 [2024-11-12 21:41:06,108 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:41:06,108 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:41:06,109 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:41:06,109 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] [2024-11-12 21:41:06,109 INFO L747 eck$LassoCheckResult]: Stem: "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;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;" "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;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "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;" "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;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-12 21:41:06,109 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet13#1;test_~tmp~2#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1;" "assume !(0 != test_~tmp~2#1);" "havoc test_#t~nondet14#1;test_~tmp___0~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet15#1;test_~tmp___2~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret10#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1;" "__utac_acc__Specification5_spec__2_#t~ret10#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret10#1;havoc __utac_acc__Specification5_spec__2_#t~ret10#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret10#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret17#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret17#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_#t~ret12#1, __utac_acc__Specification5_spec__3_~tmp~1#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~1#1;havoc __utac_acc__Specification5_spec__3_~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;" "__utac_acc__Specification5_spec__3_#t~ret11#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~1#1 := __utac_acc__Specification5_spec__3_#t~ret11#1;havoc __utac_acc__Specification5_spec__3_#t~ret11#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~1#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_#t~ret12#1, __utac_acc__Specification5_spec__3_~tmp~1#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2024-11-12 21:41:06,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:41:06,110 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-12 21:41:06,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:41:06,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334009246] [2024-11-12 21:41:06,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:41:06,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:41:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:41:06,135 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:41:06,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:41:06,148 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:41:06,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:41:06,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1072775674, now seen corresponding path program 1 times [2024-11-12 21:41:06,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:41:06,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274354813] [2024-11-12 21:41:06,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:41:06,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:41:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:41:06,159 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:41:06,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:41:06,168 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:41:06,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:41:06,170 INFO L85 PathProgramCache]: Analyzing trace with hash 671398577, now seen corresponding path program 1 times [2024-11-12 21:41:06,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:41:06,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509274157] [2024-11-12 21:41:06,170 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:41:06,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:41:06,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:41:06,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:41:06,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509274157] [2024-11-12 21:41:06,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509274157] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:41:06,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268536093] [2024-11-12 21:41:06,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:41:06,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:41:06,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:41:06,328 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:41:06,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 21:41:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:41:06,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 21:41:06,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:41:06,477 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:41:06,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268536093] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:41:06,551 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:41:06,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-11-12 21:41:06,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539680851] [2024-11-12 21:41:06,552 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:41:06,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:41:06,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 21:41:06,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 21:41:06,616 INFO L87 Difference]: Start difference. First operand 158 states and 206 transitions. cyclomatic complexity: 51 Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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) [2024-11-12 21:41:06,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:41:06,718 INFO L93 Difference]: Finished difference Result 306 states and 394 transitions. [2024-11-12 21:41:06,718 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 306 states and 394 transitions. [2024-11-12 21:41:06,725 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 222 [2024-11-12 21:41:06,727 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 306 states to 306 states and 394 transitions. [2024-11-12 21:41:06,728 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 306 [2024-11-12 21:41:06,732 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 306 [2024-11-12 21:41:06,732 INFO L73 IsDeterministic]: Start isDeterministic. Operand 306 states and 394 transitions. [2024-11-12 21:41:06,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 21:41:06,736 INFO L218 hiAutomatonCegarLoop]: Abstraction has 306 states and 394 transitions. [2024-11-12 21:41:06,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states and 394 transitions. [2024-11-12 21:41:06,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2024-11-12 21:41:06,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 306 states have (on average 1.2875816993464053) internal successors, (394), 305 states have internal predecessors, (394), 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) [2024-11-12 21:41:06,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 394 transitions. [2024-11-12 21:41:06,757 INFO L240 hiAutomatonCegarLoop]: Abstraction has 306 states and 394 transitions. [2024-11-12 21:41:06,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 21:41:06,758 INFO L426 stractBuchiCegarLoop]: Abstraction has 306 states and 394 transitions. [2024-11-12 21:41:06,759 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-12 21:41:06,759 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 306 states and 394 transitions. [2024-11-12 21:41:06,762 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 222 [2024-11-12 21:41:06,763 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:41:06,763 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:41:06,764 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:41:06,764 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] [2024-11-12 21:41:06,765 INFO L747 eck$LassoCheckResult]: Stem: "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;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;" "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;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "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;" "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;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-12 21:41:06,765 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet13#1;test_~tmp~2#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1;" "assume !(0 != test_~tmp~2#1);" "havoc test_#t~nondet14#1;test_~tmp___0~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet15#1;test_~tmp___2~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret10#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1;" "__utac_acc__Specification5_spec__2_#t~ret10#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret10#1;havoc __utac_acc__Specification5_spec__2_#t~ret10#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret10#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret17#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret17#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_#t~ret12#1, __utac_acc__Specification5_spec__3_~tmp~1#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~1#1;havoc __utac_acc__Specification5_spec__3_~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;" "__utac_acc__Specification5_spec__3_#t~ret11#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~1#1 := __utac_acc__Specification5_spec__3_#t~ret11#1;havoc __utac_acc__Specification5_spec__3_#t~ret11#1;" "assume 2 != __utac_acc__Specification5_spec__3_~tmp~1#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1;" "__utac_acc__Specification5_spec__3_#t~ret12#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret12#1;havoc __utac_acc__Specification5_spec__3_#t~ret12#1;" "assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_#t~ret12#1, __utac_acc__Specification5_spec__3_~tmp~1#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2024-11-12 21:41:06,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:41:06,765 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2024-11-12 21:41:06,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:41:06,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554583075] [2024-11-12 21:41:06,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:41:06,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:41:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:41:06,778 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:41:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:41:06,793 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:41:06,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:41:06,794 INFO L85 PathProgramCache]: Analyzing trace with hash 124266581, now seen corresponding path program 1 times [2024-11-12 21:41:06,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:41:06,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799471094] [2024-11-12 21:41:06,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:41:06,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:41:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:41:06,802 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:41:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:41:06,811 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:41:06,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:41:06,813 INFO L85 PathProgramCache]: Analyzing trace with hash 947933004, now seen corresponding path program 1 times [2024-11-12 21:41:06,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:41:06,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661308591] [2024-11-12 21:41:06,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:41:06,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:41:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:41:06,833 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:41:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:41:06,848 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:41:07,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:41:07,684 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:41:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:41:07,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 09:41:07 BoogieIcfgContainer [2024-11-12 21:41:07,741 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-12 21:41:07,741 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 21:41:07,741 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 21:41:07,742 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 21:41:07,742 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:41:05" (3/4) ... [2024-11-12 21:41:07,744 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-12 21:41:07,815 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 21:41:07,815 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 21:41:07,816 INFO L158 Benchmark]: Toolchain (without parser) took 3974.65ms. Allocated memory was 151.0MB in the beginning and 205.5MB in the end (delta: 54.5MB). Free memory was 94.1MB in the beginning and 97.4MB in the end (delta: -3.3MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. [2024-11-12 21:41:07,816 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 151.0MB. Free memory is still 111.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 21:41:07,816 INFO L158 Benchmark]: CACSL2BoogieTranslator took 526.50ms. Allocated memory is still 151.0MB. Free memory was 93.7MB in the beginning and 72.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-12 21:41:07,816 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.14ms. Allocated memory is still 151.0MB. Free memory was 72.8MB in the beginning and 70.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 21:41:07,817 INFO L158 Benchmark]: Boogie Preprocessor took 54.40ms. Allocated memory is still 151.0MB. Free memory was 70.1MB in the beginning and 67.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 21:41:07,817 INFO L158 Benchmark]: RCFGBuilder took 539.70ms. Allocated memory is still 151.0MB. Free memory was 67.3MB in the beginning and 105.4MB in the end (delta: -38.1MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2024-11-12 21:41:07,817 INFO L158 Benchmark]: BuchiAutomizer took 2721.58ms. Allocated memory was 151.0MB in the beginning and 205.5MB in the end (delta: 54.5MB). Free memory was 105.4MB in the beginning and 100.5MB in the end (delta: 4.9MB). Peak memory consumption was 62.6MB. Max. memory is 16.1GB. [2024-11-12 21:41:07,817 INFO L158 Benchmark]: Witness Printer took 73.67ms. Allocated memory is still 205.5MB. Free memory was 100.5MB in the beginning and 97.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 21:41:07,823 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 151.0MB. Free memory is still 111.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 526.50ms. Allocated memory is still 151.0MB. Free memory was 93.7MB in the beginning and 72.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.14ms. Allocated memory is still 151.0MB. Free memory was 72.8MB in the beginning and 70.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.40ms. Allocated memory is still 151.0MB. Free memory was 70.1MB in the beginning and 67.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 539.70ms. Allocated memory is still 151.0MB. Free memory was 67.3MB in the beginning and 105.4MB in the end (delta: -38.1MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 2721.58ms. Allocated memory was 151.0MB in the beginning and 205.5MB in the end (delta: 54.5MB). Free memory was 105.4MB in the beginning and 100.5MB in the end (delta: 4.9MB). Peak memory consumption was 62.6MB. Max. memory is 16.1GB. * Witness Printer took 73.67ms. Allocated memory is still 205.5MB. Free memory was 100.5MB in the beginning and 97.4MB 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,"Test.i","") [49] - GenericResultAtLocation [Line: 155]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [155] - GenericResultAtLocation [Line: 239]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [239] - GenericResultAtLocation [Line: 290]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [290] - GenericResultAtLocation [Line: 358]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [358] - GenericResultAtLocation [Line: 511]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [511] - GenericResultAtLocation [Line: 520]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [520] - GenericResultAtLocation [Line: 555]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [555] * 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 7 locations. The remainder module has 306 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 91 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, 442 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 442 mSDsluCounter, 1124 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 879 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 103 IncrementalHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 245 mSDtfsCounter, 103 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 302]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L160] int waterLevel = 1; [L161] int methaneLevelCritical = 0; [L242] int switchedOnBeforeTS ; [L361] int pumpRunning = 0; [L362] int systemActive = 1; [L725] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L547] int retValue_acc ; [L550] retValue_acc = 1 [L551] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification5_spec__1() [L247] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L123] RET __utac_acc__Specification5_spec__1() [L124] CALL test() [L293] int splverifierCounter ; [L294] int tmp ; [L295] int tmp___0 ; [L296] int tmp___1 ; [L297] int tmp___2 ; [L300] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L302] COND TRUE 1 [L304] COND TRUE splverifierCounter < 4 [L310] tmp = __VERIFIER_nondet_int() [L312] COND FALSE !(\read(tmp)) [L320] tmp___0 = __VERIFIER_nondet_int() [L322] COND FALSE !(\read(tmp___0)) [L330] tmp___2 = __VERIFIER_nondet_int() [L332] COND TRUE \read(tmp___2) [L347] CALL timeShift() [L369] CALL __utac_acc__Specification5_spec__2() [L256] CALL, EXPR isPumpRunning() [L452] int retValue_acc ; [L455] retValue_acc = pumpRunning [L456] return (retValue_acc); [L256] RET, EXPR isPumpRunning() [L256] switchedOnBeforeTS = isPumpRunning() [L369] RET __utac_acc__Specification5_spec__2() [L371] COND FALSE !(\read(pumpRunning)) [L378] COND TRUE \read(systemActive) [L380] CALL processEnvironment() [L400] int tmp ; [L403] COND FALSE !(\read(pumpRunning)) [L418] FCALL processEnvironment__wrappee__base() [L380] RET processEnvironment() [L386] CALL __utac_acc__Specification5_spec__3() [L262] int tmp ; [L263] int tmp___0 ; [L267] CALL, EXPR getWaterLevel() [L231] int retValue_acc ; [L234] retValue_acc = waterLevel [L235] return (retValue_acc); [L267] RET, EXPR getWaterLevel() [L267] tmp = getWaterLevel() [L269] COND TRUE tmp != 2 [L271] CALL, EXPR isPumpRunning() [L452] int retValue_acc ; [L455] retValue_acc = pumpRunning [L456] return (retValue_acc); [L271] RET, EXPR isPumpRunning() [L271] tmp___0 = isPumpRunning() [L273] COND FALSE !(\read(tmp___0)) [L386] RET __utac_acc__Specification5_spec__3() [L347] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 302]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L160] int waterLevel = 1; [L161] int methaneLevelCritical = 0; [L242] int switchedOnBeforeTS ; [L361] int pumpRunning = 0; [L362] int systemActive = 1; [L725] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L547] int retValue_acc ; [L550] retValue_acc = 1 [L551] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification5_spec__1() [L247] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L123] RET __utac_acc__Specification5_spec__1() [L124] CALL test() [L293] int splverifierCounter ; [L294] int tmp ; [L295] int tmp___0 ; [L296] int tmp___1 ; [L297] int tmp___2 ; [L300] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L302] COND TRUE 1 [L304] COND TRUE splverifierCounter < 4 [L310] tmp = __VERIFIER_nondet_int() [L312] COND FALSE !(\read(tmp)) [L320] tmp___0 = __VERIFIER_nondet_int() [L322] COND FALSE !(\read(tmp___0)) [L330] tmp___2 = __VERIFIER_nondet_int() [L332] COND TRUE \read(tmp___2) [L347] CALL timeShift() [L369] CALL __utac_acc__Specification5_spec__2() [L256] CALL, EXPR isPumpRunning() [L452] int retValue_acc ; [L455] retValue_acc = pumpRunning [L456] return (retValue_acc); [L256] RET, EXPR isPumpRunning() [L256] switchedOnBeforeTS = isPumpRunning() [L369] RET __utac_acc__Specification5_spec__2() [L371] COND FALSE !(\read(pumpRunning)) [L378] COND TRUE \read(systemActive) [L380] CALL processEnvironment() [L400] int tmp ; [L403] COND FALSE !(\read(pumpRunning)) [L418] FCALL processEnvironment__wrappee__base() [L380] RET processEnvironment() [L386] CALL __utac_acc__Specification5_spec__3() [L262] int tmp ; [L263] int tmp___0 ; [L267] CALL, EXPR getWaterLevel() [L231] int retValue_acc ; [L234] retValue_acc = waterLevel [L235] return (retValue_acc); [L267] RET, EXPR getWaterLevel() [L267] tmp = getWaterLevel() [L269] COND TRUE tmp != 2 [L271] CALL, EXPR isPumpRunning() [L452] int retValue_acc ; [L455] retValue_acc = pumpRunning [L456] return (retValue_acc); [L271] RET, EXPR isPumpRunning() [L271] tmp___0 = isPumpRunning() [L273] COND FALSE !(\read(tmp___0)) [L386] RET __utac_acc__Specification5_spec__3() [L347] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-12 21:41:07,856 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 21:41:08,054 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-12 21:41:08,257 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)