./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product15.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 d2302423425d09a02191583f4a443e0b9b2d72b45fd4f1bcb2e2d3ac85995a3d --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-15 00:53:03,052 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 00:53:03,122 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-15 00:53:03,125 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 00:53:03,125 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 00:53:03,151 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 00:53:03,151 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 00:53:03,151 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 00:53:03,152 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 00:53:03,152 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 00:53:03,153 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 00:53:03,153 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 00:53:03,153 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 00:53:03,153 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-15 00:53:03,154 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-15 00:53:03,154 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-15 00:53:03,154 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-15 00:53:03,155 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-15 00:53:03,155 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-15 00:53:03,155 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 00:53:03,155 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-15 00:53:03,156 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 00:53:03,156 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 00:53:03,156 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 00:53:03,156 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 00:53:03,157 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-15 00:53:03,157 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-15 00:53:03,157 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-15 00:53:03,157 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 00:53:03,158 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-15 00:53:03,158 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 00:53:03,158 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 00:53:03,158 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-15 00:53:03,159 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 00:53:03,159 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 00:53:03,159 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 00:53:03,159 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-15 00:53:03,160 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-15 00:53:03,160 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-15 00:53:03,160 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2302423425d09a02191583f4a443e0b9b2d72b45fd4f1bcb2e2d3ac85995a3d [2024-10-15 00:53:03,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 00:53:03,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 00:53:03,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 00:53:03,375 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 00:53:03,375 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 00:53:03,376 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c [2024-10-15 00:53:04,630 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 00:53:04,796 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 00:53:04,796 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c [2024-10-15 00:53:04,807 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/969679d6f/2178a550b2434c84a2b428f1e83c011e/FLAGe2dc126ab [2024-10-15 00:53:05,180 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/969679d6f/2178a550b2434c84a2b428f1e83c011e [2024-10-15 00:53:05,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 00:53:05,184 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-15 00:53:05,185 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 00:53:05,185 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 00:53:05,193 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 00:53:05,194 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:53:05" (1/1) ... [2024-10-15 00:53:05,195 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@573799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:05, skipping insertion in model container [2024-10-15 00:53:05,196 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:53:05" (1/1) ... [2024-10-15 00:53:05,231 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 00:53:05,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 00:53:05,461 INFO L200 MainTranslator]: Completed pre-run [2024-10-15 00:53:05,468 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2024-10-15 00:53:05,469 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [224] [2024-10-15 00:53:05,469 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [294] [2024-10-15 00:53:05,469 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [375] [2024-10-15 00:53:05,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [384] [2024-10-15 00:53:05,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [750] [2024-10-15 00:53:05,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [788] [2024-10-15 00:53:05,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [827] [2024-10-15 00:53:05,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 00:53:05,522 INFO L204 MainTranslator]: Completed translation [2024-10-15 00:53:05,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:05 WrapperNode [2024-10-15 00:53:05,522 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 00:53:05,523 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 00:53:05,523 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 00:53:05,524 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 00:53:05,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:05" (1/1) ... [2024-10-15 00:53:05,543 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:05" (1/1) ... [2024-10-15 00:53:05,591 INFO L138 Inliner]: procedures = 53, calls = 98, calls flagged for inlining = 51, calls inlined = 53, statements flattened = 332 [2024-10-15 00:53:05,591 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 00:53:05,592 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 00:53:05,592 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 00:53:05,592 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 00:53:05,602 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:05" (1/1) ... [2024-10-15 00:53:05,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:05" (1/1) ... [2024-10-15 00:53:05,604 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:05" (1/1) ... [2024-10-15 00:53:05,628 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-15 00:53:05,628 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:05" (1/1) ... [2024-10-15 00:53:05,629 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:05" (1/1) ... [2024-10-15 00:53:05,638 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:05" (1/1) ... [2024-10-15 00:53:05,642 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:05" (1/1) ... [2024-10-15 00:53:05,643 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:05" (1/1) ... [2024-10-15 00:53:05,644 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:05" (1/1) ... [2024-10-15 00:53:05,645 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 00:53:05,646 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 00:53:05,646 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 00:53:05,646 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 00:53:05,647 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:05" (1/1) ... [2024-10-15 00:53:05,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:53:05,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:53:05,674 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:53:05,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-15 00:53:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 00:53:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-15 00:53:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 00:53:05,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 00:53:05,774 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 00:53:05,776 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 00:53:06,014 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-10-15 00:53:06,014 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 00:53:06,028 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 00:53:06,028 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-15 00:53:06,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:53:06 BoogieIcfgContainer [2024-10-15 00:53:06,028 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 00:53:06,029 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-15 00:53:06,029 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-15 00:53:06,033 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-15 00:53:06,033 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:53:06,034 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 12:53:05" (1/3) ... [2024-10-15 00:53:06,034 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7097ed99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 12:53:06, skipping insertion in model container [2024-10-15 00:53:06,034 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:53:06,035 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:53:05" (2/3) ... [2024-10-15 00:53:06,035 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7097ed99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 12:53:06, skipping insertion in model container [2024-10-15 00:53:06,035 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:53:06,035 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:53:06" (3/3) ... [2024-10-15 00:53:06,036 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product15.cil.c [2024-10-15 00:53:06,075 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-15 00:53:06,075 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-15 00:53:06,075 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-15 00:53:06,075 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-15 00:53:06,075 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-15 00:53:06,075 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-15 00:53:06,075 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-15 00:53:06,076 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-15 00:53:06,079 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 107 states, 106 states have (on average 1.3584905660377358) internal successors, (144), 106 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:53:06,093 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2024-10-15 00:53:06,093 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:53:06,093 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:53:06,098 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:53:06,098 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:53:06,098 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-15 00:53:06,099 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 107 states, 106 states have (on average 1.3584905660377358) internal successors, (144), 106 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:53:06,104 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2024-10-15 00:53:06,104 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:53:06,104 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:53:06,104 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:53:06,104 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:53:06,108 INFO L745 eck$LassoCheckResult]: Stem: 25#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 28#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~7#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 19#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 83#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~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 73#valid_product_returnLabel#1true main_#t~ret50#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 37#L911true assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 53#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 82#__utac_acc__Specification2_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 78#L238-2true [2024-10-15 00:53:06,108 INFO L747 eck$LassoCheckResult]: Loop: 78#L238-2true assume !false; 23#L239true assume test_~splverifierCounter~0#1 < 4; 20#L240true havoc test_#t~nondet15#1;test_~tmp~2#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 107#L248true assume !(0 != test_~tmp~2#1); 27#L248-2true havoc test_#t~nondet16#1;test_~tmp___0~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 26#L258true assume !(0 != test_~tmp___0~0#1); 59#L258-2true havoc test_#t~nondet17#1;test_~tmp___2~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 16#L268true assume 0 != test_~tmp___2~0#1; 103#L274-2true assume { :begin_inline_timeShift } true; 97#L67true assume !(0 != ~pumpRunning~0); 15#L67-2true assume !(0 != ~systemActive~0); 79#L74-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 51#isMethaneLevelCritical_returnLabel#2true __utac_acc__Specification2_spec__2_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret48#1;havoc __utac_acc__Specification2_spec__2_#t~ret48#1; 54#L806true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6#1);~methAndRunningLastTime~0 := 0; 60#L806-1true havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 45#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 78#L238-2true [2024-10-15 00:53:06,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:53:06,112 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-10-15 00:53:06,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:53:06,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132970531] [2024-10-15 00:53:06,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:53:06,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:53:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:06,201 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:53:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:06,235 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:53:06,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:53:06,237 INFO L85 PathProgramCache]: Analyzing trace with hash 825339724, now seen corresponding path program 1 times [2024-10-15 00:53:06,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:53:06,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119748764] [2024-10-15 00:53:06,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:53:06,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:53:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:06,247 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:53:06,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:06,252 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:53:06,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:53:06,253 INFO L85 PathProgramCache]: Analyzing trace with hash 663052341, now seen corresponding path program 1 times [2024-10-15 00:53:06,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:53:06,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710148787] [2024-10-15 00:53:06,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:53:06,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:53:06,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:53:06,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:53:06,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:53:06,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710148787] [2024-10-15 00:53:06,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710148787] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 00:53:06,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 00:53:06,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-15 00:53:06,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383925015] [2024-10-15 00:53:06,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 00:53:06,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:53:06,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-15 00:53:06,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-15 00:53:06,504 INFO L87 Difference]: Start difference. First operand has 107 states, 106 states have (on average 1.3584905660377358) internal successors, (144), 106 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:53:06,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:53:06,606 INFO L93 Difference]: Finished difference Result 261 states and 336 transitions. [2024-10-15 00:53:06,607 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 261 states and 336 transitions. [2024-10-15 00:53:06,613 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 165 [2024-10-15 00:53:06,619 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 261 states to 231 states and 306 transitions. [2024-10-15 00:53:06,620 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 231 [2024-10-15 00:53:06,622 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 231 [2024-10-15 00:53:06,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 231 states and 306 transitions. [2024-10-15 00:53:06,625 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 00:53:06,625 INFO L218 hiAutomatonCegarLoop]: Abstraction has 231 states and 306 transitions. [2024-10-15 00:53:06,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states and 306 transitions. [2024-10-15 00:53:06,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 146. [2024-10-15 00:53:06,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 146 states have (on average 1.3287671232876712) internal successors, (194), 145 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:53:06,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 194 transitions. [2024-10-15 00:53:06,654 INFO L240 hiAutomatonCegarLoop]: Abstraction has 146 states and 194 transitions. [2024-10-15 00:53:06,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-15 00:53:06,661 INFO L425 stractBuchiCegarLoop]: Abstraction has 146 states and 194 transitions. [2024-10-15 00:53:06,664 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-15 00:53:06,664 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 146 states and 194 transitions. [2024-10-15 00:53:06,669 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 104 [2024-10-15 00:53:06,672 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:53:06,672 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:53:06,672 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:53:06,674 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:53:06,674 INFO L745 eck$LassoCheckResult]: Stem: 453#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 454#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~7#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 441#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 442#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~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 436#valid_product_returnLabel#1 main_#t~ret50#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 437#L911 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 386#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 387#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 452#L238-2 [2024-10-15 00:53:06,675 INFO L747 eck$LassoCheckResult]: Loop: 452#L238-2 assume !false; 450#L239 assume test_~splverifierCounter~0#1 < 4; 443#L240 havoc test_#t~nondet15#1;test_~tmp~2#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 444#L248 assume !(0 != test_~tmp~2#1); 414#L248-2 havoc test_#t~nondet16#1;test_~tmp___0~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 457#L258 assume !(0 != test_~tmp___0~0#1); 402#L258-2 havoc test_#t~nondet17#1;test_~tmp___2~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 403#L268 assume 0 != test_~tmp___2~0#1; 431#L274-2 assume { :begin_inline_timeShift } true; 474#L67 assume !(0 != ~pumpRunning~0); 420#L67-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret4#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 421#L99 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 462#processEnvironment__wrappee__methaneQuery_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 466#L99-1 havoc processEnvironment_#t~ret4#1, processEnvironment_~tmp~0#1;assume { :end_inline_processEnvironment } true; 455#L74-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 456#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification2_spec__2_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret48#1;havoc __utac_acc__Specification2_spec__2_#t~ret48#1; 388#L806 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6#1);~methAndRunningLastTime~0 := 0; 390#L806-1 havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 404#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 452#L238-2 [2024-10-15 00:53:06,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:53:06,675 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-10-15 00:53:06,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:53:06,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520393352] [2024-10-15 00:53:06,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:53:06,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:53:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:06,692 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:53:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:06,712 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:53:06,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:53:06,713 INFO L85 PathProgramCache]: Analyzing trace with hash -61845544, now seen corresponding path program 1 times [2024-10-15 00:53:06,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:53:06,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362135539] [2024-10-15 00:53:06,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:53:06,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:53:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:06,718 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:53:06,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:06,723 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:53:06,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:53:06,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1367902799, now seen corresponding path program 1 times [2024-10-15 00:53:06,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:53:06,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45032377] [2024-10-15 00:53:06,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:53:06,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:53:06,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:06,733 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:53:06,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:06,745 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:53:07,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:07,438 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:53:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:53:07,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.10 12:53:07 BoogieIcfgContainer [2024-10-15 00:53:07,473 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-15 00:53:07,473 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-15 00:53:07,474 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-15 00:53:07,474 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-15 00:53:07,474 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:53:06" (3/4) ... [2024-10-15 00:53:07,475 INFO L136 WitnessPrinter]: Generating witness for non-termination counterexample [2024-10-15 00:53:07,519 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-15 00:53:07,523 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-15 00:53:07,524 INFO L158 Benchmark]: Toolchain (without parser) took 2340.04ms. Allocated memory was 205.5MB in the beginning and 268.4MB in the end (delta: 62.9MB). Free memory was 135.3MB in the beginning and 212.4MB in the end (delta: -77.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 00:53:07,524 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 205.5MB. Free memory is still 169.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 00:53:07,524 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.17ms. Allocated memory is still 205.5MB. Free memory was 135.0MB in the beginning and 115.2MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-15 00:53:07,524 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.31ms. Allocated memory is still 205.5MB. Free memory was 115.2MB in the beginning and 175.2MB in the end (delta: -60.0MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2024-10-15 00:53:07,525 INFO L158 Benchmark]: Boogie Preprocessor took 53.27ms. Allocated memory is still 205.5MB. Free memory was 175.2MB in the beginning and 171.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-15 00:53:07,525 INFO L158 Benchmark]: RCFGBuilder took 382.36ms. Allocated memory is still 205.5MB. Free memory was 171.5MB in the beginning and 151.8MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-15 00:53:07,525 INFO L158 Benchmark]: BuchiAutomizer took 1444.28ms. Allocated memory was 205.5MB in the beginning and 268.4MB in the end (delta: 62.9MB). Free memory was 151.8MB in the beginning and 215.5MB in the end (delta: -63.7MB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. [2024-10-15 00:53:07,525 INFO L158 Benchmark]: Witness Printer took 49.91ms. Allocated memory is still 268.4MB. Free memory was 215.5MB in the beginning and 212.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 00:53:07,527 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 205.5MB. Free memory is still 169.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.17ms. Allocated memory is still 205.5MB. Free memory was 135.0MB in the beginning and 115.2MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.31ms. Allocated memory is still 205.5MB. Free memory was 115.2MB in the beginning and 175.2MB in the end (delta: -60.0MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.27ms. Allocated memory is still 205.5MB. Free memory was 175.2MB in the beginning and 171.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 382.36ms. Allocated memory is still 205.5MB. Free memory was 171.5MB in the beginning and 151.8MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 1444.28ms. Allocated memory was 205.5MB in the beginning and 268.4MB in the end (delta: 62.9MB). Free memory was 151.8MB in the beginning and 215.5MB in the end (delta: -63.7MB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. * Witness Printer took 49.91ms. Allocated memory is still 268.4MB. Free memory was 215.5MB in the beginning and 212.4MB 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,"MinePump.i","") [49] - GenericResultAtLocation [Line: 224]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [224] - GenericResultAtLocation [Line: 294]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [294] - GenericResultAtLocation [Line: 375]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [375] - GenericResultAtLocation [Line: 384]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [384] - GenericResultAtLocation [Line: 750]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [750] - GenericResultAtLocation [Line: 788]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [788] - GenericResultAtLocation [Line: 827]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [827] * 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 146 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. 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, 85 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, 337 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 337 mSDsluCounter, 561 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 436 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36 IncrementalHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 125 mSDtfsCounter, 36 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: 238]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L59] int pumpRunning = 0; [L60] int systemActive = 1; [L296] int waterLevel = 1; [L297] int methaneLevelCritical = 0; [L554] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L789] int methAndRunningLastTime ; [L828] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L902] int retValue_acc ; [L903] int tmp ; [L907] FCALL select_helpers() [L908] FCALL select_features() [L909] CALL, EXPR valid_product() [L780] int retValue_acc ; [L783] retValue_acc = 1 [L784] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L909] RET, EXPR valid_product() [L909] tmp = valid_product() [L911] COND TRUE \read(tmp) [L913] FCALL setup() [L914] CALL runTest() [L895] CALL __utac_acc__Specification2_spec__1() [L794] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L895] RET __utac_acc__Specification2_spec__1() [L896] CALL test() [L229] int splverifierCounter ; [L230] int tmp ; [L231] int tmp___0 ; [L232] int tmp___1 ; [L233] int tmp___2 ; [L236] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L238] COND TRUE 1 [L240] COND TRUE splverifierCounter < 4 [L246] tmp = __VERIFIER_nondet_int() [L248] COND FALSE !(\read(tmp)) [L256] tmp___0 = __VERIFIER_nondet_int() [L258] COND FALSE !(\read(tmp___0)) [L266] tmp___2 = __VERIFIER_nondet_int() [L268] COND TRUE \read(tmp___2) [L283] CALL timeShift() [L67] COND FALSE !(\read(pumpRunning)) [L74] COND TRUE \read(systemActive) [L76] CALL processEnvironment() [L96] int tmp ; [L99] COND FALSE !(\read(pumpRunning)) [L114] FCALL processEnvironment__wrappee__methaneQuery() [L76] RET processEnvironment() [L82] CALL __utac_acc__Specification2_spec__2() [L799] int tmp ; [L800] int tmp___0 ; [L804] CALL, EXPR isMethaneLevelCritical() [L335] int retValue_acc ; [L338] retValue_acc = methaneLevelCritical [L339] return (retValue_acc); [L804] RET, EXPR isMethaneLevelCritical() [L804] tmp = isMethaneLevelCritical() [L806] COND FALSE !(\read(tmp)) [L822] methAndRunningLastTime = 0 [L82] RET __utac_acc__Specification2_spec__2() [L283] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 238]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L59] int pumpRunning = 0; [L60] int systemActive = 1; [L296] int waterLevel = 1; [L297] int methaneLevelCritical = 0; [L554] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L789] int methAndRunningLastTime ; [L828] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L902] int retValue_acc ; [L903] int tmp ; [L907] FCALL select_helpers() [L908] FCALL select_features() [L909] CALL, EXPR valid_product() [L780] int retValue_acc ; [L783] retValue_acc = 1 [L784] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L909] RET, EXPR valid_product() [L909] tmp = valid_product() [L911] COND TRUE \read(tmp) [L913] FCALL setup() [L914] CALL runTest() [L895] CALL __utac_acc__Specification2_spec__1() [L794] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L895] RET __utac_acc__Specification2_spec__1() [L896] CALL test() [L229] int splverifierCounter ; [L230] int tmp ; [L231] int tmp___0 ; [L232] int tmp___1 ; [L233] int tmp___2 ; [L236] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L238] COND TRUE 1 [L240] COND TRUE splverifierCounter < 4 [L246] tmp = __VERIFIER_nondet_int() [L248] COND FALSE !(\read(tmp)) [L256] tmp___0 = __VERIFIER_nondet_int() [L258] COND FALSE !(\read(tmp___0)) [L266] tmp___2 = __VERIFIER_nondet_int() [L268] COND TRUE \read(tmp___2) [L283] CALL timeShift() [L67] COND FALSE !(\read(pumpRunning)) [L74] COND TRUE \read(systemActive) [L76] CALL processEnvironment() [L96] int tmp ; [L99] COND FALSE !(\read(pumpRunning)) [L114] FCALL processEnvironment__wrappee__methaneQuery() [L76] RET processEnvironment() [L82] CALL __utac_acc__Specification2_spec__2() [L799] int tmp ; [L800] int tmp___0 ; [L804] CALL, EXPR isMethaneLevelCritical() [L335] int retValue_acc ; [L338] retValue_acc = methaneLevelCritical [L339] return (retValue_acc); [L804] RET, EXPR isMethaneLevelCritical() [L804] tmp = isMethaneLevelCritical() [L806] COND FALSE !(\read(tmp)) [L822] methAndRunningLastTime = 0 [L82] RET __utac_acc__Specification2_spec__2() [L283] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-10-15 00:53:07,547 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)