./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product17.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_spec1_product17.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 aad3ab8030ba6efc9aa26d5b15397d543c60fbb947c2251c044256001907063f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 14:56:06,497 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 14:56:06,584 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-19 14:56:06,590 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 14:56:06,592 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 14:56:06,642 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 14:56:06,643 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 14:56:06,643 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 14:56:06,644 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 14:56:06,645 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 14:56:06,645 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 14:56:06,646 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 14:56:06,646 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 14:56:06,649 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-19 14:56:06,649 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-19 14:56:06,649 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-19 14:56:06,650 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-19 14:56:06,650 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-19 14:56:06,650 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-19 14:56:06,650 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 14:56:06,651 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-19 14:56:06,652 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 14:56:06,652 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 14:56:06,652 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 14:56:06,653 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 14:56:06,653 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-19 14:56:06,653 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-19 14:56:06,654 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-19 14:56:06,654 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 14:56:06,654 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 14:56:06,655 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 14:56:06,655 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 14:56:06,656 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-19 14:56:06,656 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 14:56:06,656 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 14:56:06,657 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 14:56:06,657 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 14:56:06,657 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 14:56:06,658 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-19 14:56:06,658 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aad3ab8030ba6efc9aa26d5b15397d543c60fbb947c2251c044256001907063f [2024-11-19 14:56:06,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 14:56:06,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 14:56:06,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 14:56:06,942 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 14:56:06,942 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 14:56:06,943 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2024-11-19 14:56:08,448 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 14:56:08,667 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 14:56:08,668 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2024-11-19 14:56:08,694 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71bbfc623/231a115722c445a88f17a703f239aa9c/FLAG04a7f3b01 [2024-11-19 14:56:09,024 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71bbfc623/231a115722c445a88f17a703f239aa9c [2024-11-19 14:56:09,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 14:56:09,029 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 14:56:09,030 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 14:56:09,031 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 14:56:09,035 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 14:56:09,035 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:09" (1/1) ... [2024-11-19 14:56:09,036 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31146a48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:09, skipping insertion in model container [2024-11-19 14:56:09,036 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:09" (1/1) ... [2024-11-19 14:56:09,081 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 14:56:09,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:56:09,415 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 14:56:09,427 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [49] [2024-11-19 14:56:09,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [78] [2024-11-19 14:56:09,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [444] [2024-11-19 14:56:09,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [548] [2024-11-19 14:56:09,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [557] [2024-11-19 14:56:09,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [714] [2024-11-19 14:56:09,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [804] [2024-11-19 14:56:09,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [869] [2024-11-19 14:56:09,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:56:09,531 INFO L204 MainTranslator]: Completed translation [2024-11-19 14:56:09,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:09 WrapperNode [2024-11-19 14:56:09,531 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 14:56:09,532 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 14:56:09,532 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 14:56:09,533 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 14:56:09,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:09" (1/1) ... [2024-11-19 14:56:09,551 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:09" (1/1) ... [2024-11-19 14:56:09,581 INFO L138 Inliner]: procedures = 52, calls = 94, calls flagged for inlining = 47, calls inlined = 50, statements flattened = 327 [2024-11-19 14:56:09,582 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 14:56:09,583 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 14:56:09,583 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 14:56:09,583 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 14:56:09,592 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:09" (1/1) ... [2024-11-19 14:56:09,593 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:09" (1/1) ... [2024-11-19 14:56:09,594 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:09" (1/1) ... [2024-11-19 14:56:09,609 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 14:56:09,609 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:09" (1/1) ... [2024-11-19 14:56:09,609 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:09" (1/1) ... [2024-11-19 14:56:09,615 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:09" (1/1) ... [2024-11-19 14:56:09,621 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:09" (1/1) ... [2024-11-19 14:56:09,623 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:09" (1/1) ... [2024-11-19 14:56:09,624 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:09" (1/1) ... [2024-11-19 14:56:09,626 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 14:56:09,628 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 14:56:09,628 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 14:56:09,629 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 14:56:09,630 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:09" (1/1) ... [2024-11-19 14:56:09,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:56:09,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:56:09,663 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 14:56:09,665 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 14:56:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 14:56:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 14:56:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 14:56:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 14:56:09,797 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 14:56:09,801 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 14:56:10,191 INFO L? ?]: Removed 70 outVars from TransFormulas that were not future-live. [2024-11-19 14:56:10,195 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 14:56:10,209 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 14:56:10,210 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 14:56:10,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:10 BoogieIcfgContainer [2024-11-19 14:56:10,211 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 14:56:10,212 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-19 14:56:10,212 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-19 14:56:10,216 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-19 14:56:10,216 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:56:10,217 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 02:56:09" (1/3) ... [2024-11-19 14:56:10,219 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@171df91e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:56:10, skipping insertion in model container [2024-11-19 14:56:10,219 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:56:10,219 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:09" (2/3) ... [2024-11-19 14:56:10,219 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@171df91e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:56:10, skipping insertion in model container [2024-11-19 14:56:10,219 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:56:10,220 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:10" (3/3) ... [2024-11-19 14:56:10,221 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product17.cil.c [2024-11-19 14:56:10,284 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-19 14:56:10,285 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-19 14:56:10,285 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-19 14:56:10,285 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-19 14:56:10,285 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-19 14:56:10,285 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-19 14:56:10,285 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-19 14:56:10,286 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-19 14:56:10,290 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 105 states, 104 states have (on average 1.3557692307692308) internal successors, (141), 104 states have internal predecessors, (141), 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 14:56:10,311 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2024-11-19 14:56:10,312 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:56:10,312 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:56:10,318 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:56:10,319 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:56:10,319 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-19 14:56:10,320 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 105 states, 104 states have (on average 1.3557692307692308) internal successors, (141), 104 states have internal predecessors, (141), 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 14:56:10,326 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2024-11-19 14:56:10,326 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:56:10,329 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:56:10,330 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:56:10,330 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:56:10,336 INFO L745 eck$LassoCheckResult]: Stem: 24#$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; 31#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; 21#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 88#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; 79#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; 78#L535true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 63#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 91#L815-2true [2024-11-19 14:56:10,337 INFO L747 eck$LassoCheckResult]: Loop: 91#L815-2true assume !false; 64#L816true assume test_~splverifierCounter~0#1 < 4; 51#L817true havoc test_#t~nondet46#1;test_~tmp~7#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 99#L825true assume !(0 != test_~tmp~7#1); 100#L825-2true havoc test_#t~nondet47#1;test_~tmp___0~2#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 96#L835true assume !(0 != test_~tmp___0~2#1); 10#L835-2true havoc test_#t~nondet48#1;test_~tmp___2~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 95#L845true assume 0 != test_~tmp___2~0#1; 57#L851-2true assume { :begin_inline_timeShift } true; 30#L570true assume !(0 != ~pumpRunning~0); 44#L570-2true assume !(0 != ~systemActive~0); 37#L577-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; 97#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification1_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret4#1;havoc __utac_acc__Specification1_spec__1_#t~ret4#1; 65#L61true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 92#L61-1true havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 56#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 91#L815-2true [2024-11-19 14:56:10,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:56:10,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-19 14:56:10,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:56:10,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775680349] [2024-11-19 14:56:10,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:56:10,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:56:10,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:10,466 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:56:10,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:10,506 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:56:10,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:56:10,509 INFO L85 PathProgramCache]: Analyzing trace with hash -828884186, now seen corresponding path program 1 times [2024-11-19 14:56:10,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:56:10,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903497954] [2024-11-19 14:56:10,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:56:10,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:56:10,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:10,525 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:56:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:10,532 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:56:10,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:56:10,534 INFO L85 PathProgramCache]: Analyzing trace with hash 526534890, now seen corresponding path program 1 times [2024-11-19 14:56:10,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:56:10,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564344125] [2024-11-19 14:56:10,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:56:10,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:56:10,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:56:10,810 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 14:56:10,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:56:10,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564344125] [2024-11-19 14:56:10,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564344125] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:56:10,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:56:10,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 14:56:10,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495084186] [2024-11-19 14:56:10,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:56:10,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:56:10,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 14:56:10,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 14:56:10,952 INFO L87 Difference]: Start difference. First operand has 105 states, 104 states have (on average 1.3557692307692308) internal successors, (141), 104 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:56:11,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:56:11,028 INFO L93 Difference]: Finished difference Result 99 states and 124 transitions. [2024-11-19 14:56:11,029 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 99 states and 124 transitions. [2024-11-19 14:56:11,032 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2024-11-19 14:56:11,039 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 99 states to 89 states and 114 transitions. [2024-11-19 14:56:11,040 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 89 [2024-11-19 14:56:11,041 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 89 [2024-11-19 14:56:11,041 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 114 transitions. [2024-11-19 14:56:11,042 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:56:11,042 INFO L218 hiAutomatonCegarLoop]: Abstraction has 89 states and 114 transitions. [2024-11-19 14:56:11,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states and 114 transitions. [2024-11-19 14:56:11,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-11-19 14:56:11,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 89 states have (on average 1.2808988764044944) internal successors, (114), 88 states have internal predecessors, (114), 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 14:56:11,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 114 transitions. [2024-11-19 14:56:11,072 INFO L240 hiAutomatonCegarLoop]: Abstraction has 89 states and 114 transitions. [2024-11-19 14:56:11,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 14:56:11,079 INFO L425 stractBuchiCegarLoop]: Abstraction has 89 states and 114 transitions. [2024-11-19 14:56:11,079 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-19 14:56:11,079 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 89 states and 114 transitions. [2024-11-19 14:56:11,081 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2024-11-19 14:56:11,081 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:56:11,081 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:56:11,082 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:56:11,082 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:56:11,082 INFO L745 eck$LassoCheckResult]: Stem: 287#$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; 288#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; 280#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 281#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; 275#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; 274#L535 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 224#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 225#L815-2 [2024-11-19 14:56:11,083 INFO L747 eck$LassoCheckResult]: Loop: 225#L815-2 assume !false; 231#L816 assume test_~splverifierCounter~0#1 < 4; 232#L817 havoc test_#t~nondet46#1;test_~tmp~7#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 309#L825 assume !(0 != test_~tmp~7#1); 291#L825-2 havoc test_#t~nondet47#1;test_~tmp___0~2#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 307#L835 assume !(0 != test_~tmp___0~2#1); 252#L835-2 havoc test_#t~nondet48#1;test_~tmp___2~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 253#L845 assume 0 != test_~tmp___2~0#1; 265#L851-2 assume { :begin_inline_timeShift } true; 293#L570 assume !(0 != ~pumpRunning~0); 294#L570-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret30#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 260#L602 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 241#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 242#L602-1 havoc processEnvironment_#t~ret30#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 292#L577-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; 300#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification1_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret4#1;havoc __utac_acc__Specification1_spec__1_#t~ret4#1; 234#L61 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 236#L61-1 havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 297#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 225#L815-2 [2024-11-19 14:56:11,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:56:11,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-19 14:56:11,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:56:11,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012116826] [2024-11-19 14:56:11,084 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 14:56:11,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:56:11,100 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 14:56:11,100 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:56:11,100 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:56:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:11,112 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:56:11,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:56:11,113 INFO L85 PathProgramCache]: Analyzing trace with hash -646831835, now seen corresponding path program 1 times [2024-11-19 14:56:11,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:56:11,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619844054] [2024-11-19 14:56:11,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:56:11,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:56:11,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:11,129 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:56:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:11,136 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:56:11,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:56:11,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1655311585, now seen corresponding path program 1 times [2024-11-19 14:56:11,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:56:11,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728725631] [2024-11-19 14:56:11,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:56:11,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:56:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:11,158 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:56:11,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:11,171 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:56:12,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:12,122 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:56:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:12,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 02:56:12 BoogieIcfgContainer [2024-11-19 14:56:12,185 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-19 14:56:12,186 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 14:56:12,186 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 14:56:12,186 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 14:56:12,186 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:10" (3/4) ... [2024-11-19 14:56:12,188 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-19 14:56:12,244 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 14:56:12,247 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 14:56:12,248 INFO L158 Benchmark]: Toolchain (without parser) took 3218.84ms. Allocated memory was 153.1MB in the beginning and 216.0MB in the end (delta: 62.9MB). Free memory was 96.0MB in the beginning and 135.6MB in the end (delta: -39.5MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2024-11-19 14:56:12,249 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 153.1MB. Free memory was 113.4MB in the beginning and 113.2MB in the end (delta: 177.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:56:12,249 INFO L158 Benchmark]: CACSL2BoogieTranslator took 501.36ms. Allocated memory is still 153.1MB. Free memory was 95.6MB in the beginning and 74.2MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-19 14:56:12,249 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.64ms. Allocated memory is still 153.1MB. Free memory was 74.2MB in the beginning and 71.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:56:12,250 INFO L158 Benchmark]: Boogie Preprocessor took 44.14ms. Allocated memory is still 153.1MB. Free memory was 71.7MB in the beginning and 69.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:56:12,250 INFO L158 Benchmark]: RCFGBuilder took 582.57ms. Allocated memory was 153.1MB in the beginning and 216.0MB in the end (delta: 62.9MB). Free memory was 68.8MB in the beginning and 174.7MB in the end (delta: -105.9MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2024-11-19 14:56:12,250 INFO L158 Benchmark]: BuchiAutomizer took 1973.24ms. Allocated memory is still 216.0MB. Free memory was 174.7MB in the beginning and 137.7MB in the end (delta: 37.0MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2024-11-19 14:56:12,251 INFO L158 Benchmark]: Witness Printer took 61.93ms. Allocated memory is still 216.0MB. Free memory was 137.7MB in the beginning and 135.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:56:12,252 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 153.1MB. Free memory was 113.4MB in the beginning and 113.2MB in the end (delta: 177.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 501.36ms. Allocated memory is still 153.1MB. Free memory was 95.6MB in the beginning and 74.2MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.64ms. Allocated memory is still 153.1MB. Free memory was 74.2MB in the beginning and 71.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.14ms. Allocated memory is still 153.1MB. Free memory was 71.7MB in the beginning and 69.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 582.57ms. Allocated memory was 153.1MB in the beginning and 216.0MB in the end (delta: 62.9MB). Free memory was 68.8MB in the beginning and 174.7MB in the end (delta: -105.9MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1973.24ms. Allocated memory is still 216.0MB. Free memory was 174.7MB in the beginning and 137.7MB in the end (delta: 37.0MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. * Witness Printer took 61.93ms. Allocated memory is still 216.0MB. Free memory was 137.7MB in the beginning and 135.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_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,"Test.i","") [444] - GenericResultAtLocation [Line: 548]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [548] - GenericResultAtLocation [Line: 557]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [557] - GenericResultAtLocation [Line: 714]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [714] - GenericResultAtLocation [Line: 804]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [804] - GenericResultAtLocation [Line: 869]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [869] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 89 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 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, 123 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 123 mSDsluCounter, 352 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 233 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 119 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 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: 815]: 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; [L445] int cleanupTimeShifts = 4; [L563] int pumpRunning = 0; [L564] int systemActive = 1; [L716] int waterLevel = 1; [L717] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L526] int retValue_acc ; [L527] int tmp ; [L531] FCALL select_helpers() [L532] FCALL select_features() [L533] CALL, EXPR valid_product() [L896] int retValue_acc ; [L899] retValue_acc = 1 [L900] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L533] RET, EXPR valid_product() [L533] tmp = valid_product() [L535] COND TRUE \read(tmp) [L537] FCALL setup() [L538] CALL runTest() [L517] CALL test() [L806] int splverifierCounter ; [L807] int tmp ; [L808] int tmp___0 ; [L809] int tmp___1 ; [L810] int tmp___2 ; [L813] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L815] COND TRUE 1 [L817] COND TRUE splverifierCounter < 4 [L823] tmp = __VERIFIER_nondet_int() [L825] COND FALSE !(\read(tmp)) [L833] tmp___0 = __VERIFIER_nondet_int() [L835] COND FALSE !(\read(tmp___0)) [L843] tmp___2 = __VERIFIER_nondet_int() [L845] COND TRUE \read(tmp___2) [L858] CALL timeShift() [L570] COND FALSE !(\read(pumpRunning)) [L577] COND TRUE \read(systemActive) [L579] CALL processEnvironment() [L599] int tmp ; [L602] COND FALSE !(\read(pumpRunning)) [L617] FCALL processEnvironment__wrappee__base() [L579] RET processEnvironment() [L585] CALL __utac_acc__Specification1_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR isMethaneLevelCritical() [L755] int retValue_acc ; [L758] retValue_acc = methaneLevelCritical [L759] return (retValue_acc); [L59] RET, EXPR isMethaneLevelCritical() [L59] tmp = isMethaneLevelCritical() [L61] COND FALSE !(\read(tmp)) [L585] RET __utac_acc__Specification1_spec__1() [L858] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 815]: 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; [L445] int cleanupTimeShifts = 4; [L563] int pumpRunning = 0; [L564] int systemActive = 1; [L716] int waterLevel = 1; [L717] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L526] int retValue_acc ; [L527] int tmp ; [L531] FCALL select_helpers() [L532] FCALL select_features() [L533] CALL, EXPR valid_product() [L896] int retValue_acc ; [L899] retValue_acc = 1 [L900] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L533] RET, EXPR valid_product() [L533] tmp = valid_product() [L535] COND TRUE \read(tmp) [L537] FCALL setup() [L538] CALL runTest() [L517] CALL test() [L806] int splverifierCounter ; [L807] int tmp ; [L808] int tmp___0 ; [L809] int tmp___1 ; [L810] int tmp___2 ; [L813] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L815] COND TRUE 1 [L817] COND TRUE splverifierCounter < 4 [L823] tmp = __VERIFIER_nondet_int() [L825] COND FALSE !(\read(tmp)) [L833] tmp___0 = __VERIFIER_nondet_int() [L835] COND FALSE !(\read(tmp___0)) [L843] tmp___2 = __VERIFIER_nondet_int() [L845] COND TRUE \read(tmp___2) [L858] CALL timeShift() [L570] COND FALSE !(\read(pumpRunning)) [L577] COND TRUE \read(systemActive) [L579] CALL processEnvironment() [L599] int tmp ; [L602] COND FALSE !(\read(pumpRunning)) [L617] FCALL processEnvironment__wrappee__base() [L579] RET processEnvironment() [L585] CALL __utac_acc__Specification1_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR isMethaneLevelCritical() [L755] int retValue_acc ; [L758] retValue_acc = methaneLevelCritical [L759] return (retValue_acc); [L59] RET, EXPR isMethaneLevelCritical() [L59] tmp = isMethaneLevelCritical() [L61] COND FALSE !(\read(tmp)) [L585] RET __utac_acc__Specification1_spec__1() [L858] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-19 14:56:12,280 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)