./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_spec1_product07.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a046e57d 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_spec1_product07.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 699ded97cbb1126ff33cf78f7c5253f33e10fc954d477377647b1ae04749f3fb --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 17:37:42,102 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 17:37:42,176 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-13 17:37:42,181 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 17:37:42,181 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 17:37:42,212 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 17:37:42,214 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 17:37:42,215 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 17:37:42,216 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 17:37:42,217 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 17:37:42,218 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 17:37:42,218 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 17:37:42,219 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 17:37:42,219 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-13 17:37:42,221 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-13 17:37:42,221 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-13 17:37:42,222 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-13 17:37:42,222 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-13 17:37:42,222 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-13 17:37:42,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 17:37:42,223 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-13 17:37:42,223 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 17:37:42,227 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 17:37:42,227 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 17:37:42,228 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 17:37:42,228 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-13 17:37:42,228 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-13 17:37:42,228 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-13 17:37:42,229 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 17:37:42,229 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 17:37:42,229 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 17:37:42,229 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 17:37:42,230 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-13 17:37:42,230 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 17:37:42,230 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 17:37:42,230 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 17:37:42,231 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 17:37:42,231 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 17:37:42,232 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-13 17:37:42,232 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 699ded97cbb1126ff33cf78f7c5253f33e10fc954d477377647b1ae04749f3fb [2024-10-13 17:37:42,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 17:37:42,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 17:37:42,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 17:37:42,508 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 17:37:42,509 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 17:37:42,510 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c [2024-10-13 17:37:43,949 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 17:37:44,156 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 17:37:44,157 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c [2024-10-13 17:37:44,172 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/390e23163/920575acf4db4853981a1e422dc45bd3/FLAGd38d6a247 [2024-10-13 17:37:44,186 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/390e23163/920575acf4db4853981a1e422dc45bd3 [2024-10-13 17:37:44,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 17:37:44,191 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 17:37:44,194 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 17:37:44,195 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 17:37:44,200 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 17:37:44,200 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:37:44" (1/1) ... [2024-10-13 17:37:44,201 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48d17d57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:37:44, skipping insertion in model container [2024-10-13 17:37:44,201 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:37:44" (1/1) ... [2024-10-13 17:37:44,246 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 17:37:44,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:37:44,608 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 17:37:44,621 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-10-13 17:37:44,623 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [135] [2024-10-13 17:37:44,623 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [163] [2024-10-13 17:37:44,623 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [172] [2024-10-13 17:37:44,623 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [325] [2024-10-13 17:37:44,623 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [393] [2024-10-13 17:37:44,624 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [431] [2024-10-13 17:37:44,624 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [527] [2024-10-13 17:37:44,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:37:44,698 INFO L204 MainTranslator]: Completed translation [2024-10-13 17:37:44,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:37:44 WrapperNode [2024-10-13 17:37:44,698 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 17:37:44,699 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 17:37:44,699 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 17:37:44,699 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 17:37:44,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:37:44" (1/1) ... [2024-10-13 17:37:44,716 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:37:44" (1/1) ... [2024-10-13 17:37:44,739 INFO L138 Inliner]: procedures = 51, calls = 95, calls flagged for inlining = 48, calls inlined = 52, statements flattened = 316 [2024-10-13 17:37:44,739 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 17:37:44,740 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 17:37:44,740 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 17:37:44,740 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 17:37:44,750 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:37:44" (1/1) ... [2024-10-13 17:37:44,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:37:44" (1/1) ... [2024-10-13 17:37:44,752 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:37:44" (1/1) ... [2024-10-13 17:37:44,775 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]. [2024-10-13 17:37:44,775 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:37:44" (1/1) ... [2024-10-13 17:37:44,779 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:37:44" (1/1) ... [2024-10-13 17:37:44,788 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:37:44" (1/1) ... [2024-10-13 17:37:44,791 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:37:44" (1/1) ... [2024-10-13 17:37:44,796 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:37:44" (1/1) ... [2024-10-13 17:37:44,797 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:37:44" (1/1) ... [2024-10-13 17:37:44,799 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 17:37:44,802 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 17:37:44,802 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 17:37:44,802 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 17:37:44,803 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:37:44" (1/1) ... [2024-10-13 17:37:44,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:37:44,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:37:44,837 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) [2024-10-13 17:37:44,840 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 [2024-10-13 17:37:44,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 17:37:44,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 17:37:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 17:37:44,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 17:37:44,978 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 17:37:44,980 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 17:37:45,278 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-10-13 17:37:45,279 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 17:37:45,301 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 17:37:45,304 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-13 17:37:45,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:37:45 BoogieIcfgContainer [2024-10-13 17:37:45,304 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 17:37:45,305 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-13 17:37:45,305 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-13 17:37:45,309 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-13 17:37:45,311 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:37:45,311 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 05:37:44" (1/3) ... [2024-10-13 17:37:45,312 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36c7c949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:37:45, skipping insertion in model container [2024-10-13 17:37:45,313 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:37:45,313 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:37:44" (2/3) ... [2024-10-13 17:37:45,315 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36c7c949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:37:45, skipping insertion in model container [2024-10-13 17:37:45,315 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:37:45,315 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:37:45" (3/3) ... [2024-10-13 17:37:45,316 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product07.cil.c [2024-10-13 17:37:45,373 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-13 17:37:45,374 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-13 17:37:45,375 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-13 17:37:45,375 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-13 17:37:45,375 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-13 17:37:45,375 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-13 17:37:45,375 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-13 17:37:45,375 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-13 17:37:45,380 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 103 states, 102 states have (on average 1.3431372549019607) internal successors, (137), 102 states have internal predecessors, (137), 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) [2024-10-13 17:37:45,402 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2024-10-13 17:37:45,403 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:37:45,403 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:37:45,409 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:37:45,410 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:37:45,410 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-13 17:37:45,411 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 103 states, 102 states have (on average 1.3431372549019607) internal successors, (137), 102 states have internal predecessors, (137), 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) [2024-10-13 17:37:45,417 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2024-10-13 17:37:45,419 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:37:45,419 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:37:45,420 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:37:45,420 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:37:45,425 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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 26#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret26#1, main_~retValue_acc~6#1, main_~tmp~3#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 20#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 79#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 68#valid_product_returnLabel#1true main_#t~ret26#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret26#1;havoc main_#t~ret26#1; 60#L514true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 54#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 93#L337-2true [2024-10-13 17:37:45,428 INFO L747 eck$LassoCheckResult]: Loop: 93#L337-2true assume !false; 35#L338true assume test_~splverifierCounter~0#1 < 4; 100#L339true havoc test_#t~nondet21#1;test_~tmp~2#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 86#L347true assume !(0 != test_~tmp~2#1); 48#L347-2true havoc test_#t~nondet22#1;test_~tmp___0~1#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 37#L357true assume !(0 != test_~tmp___0~1#1); 80#L357-2true havoc test_#t~nondet23#1;test_~tmp___2~0#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 13#L367true assume 0 != test_~tmp___2~0#1; 69#L373-2true assume { :begin_inline_timeShift } true; 74#L185true assume !(0 != ~pumpRunning~0); 31#L185-2true assume !(0 != ~systemActive~0); 102#L192-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#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~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 52#isMethaneLevelCritical_returnLabel#2true __utac_acc__Specification1_spec__1_#t~ret9#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret9#1;havoc __utac_acc__Specification1_spec__1_#t~ret9#1; 66#L146true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 17#L146-1true havoc __utac_acc__Specification1_spec__1_#t~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#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; 42#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 93#L337-2true [2024-10-13 17:37:45,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:37:45,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-10-13 17:37:45,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:37:45,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396985356] [2024-10-13 17:37:45,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:37:45,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:37:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:37:45,554 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:37:45,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:37:45,594 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:37:45,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:37:45,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1841867258, now seen corresponding path program 1 times [2024-10-13 17:37:45,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:37:45,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117059692] [2024-10-13 17:37:45,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:37:45,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:37:45,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:37:45,604 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:37:45,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:37:45,614 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:37:45,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:37:45,616 INFO L85 PathProgramCache]: Analyzing trace with hash -486448182, now seen corresponding path program 1 times [2024-10-13 17:37:45,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:37:45,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796605690] [2024-10-13 17:37:45,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:37:45,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:37:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:37:45,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:37:45,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:37:45,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796605690] [2024-10-13 17:37:45,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796605690] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:37:45,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:37:45,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 17:37:45,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042305467] [2024-10-13 17:37:45,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:37:45,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:37:45,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 17:37:45,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 17:37:45,992 INFO L87 Difference]: Start difference. First operand has 103 states, 102 states have (on average 1.3431372549019607) internal successors, (137), 102 states have internal predecessors, (137), 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) [2024-10-13 17:37:46,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:37:46,121 INFO L93 Difference]: Finished difference Result 251 states and 317 transitions. [2024-10-13 17:37:46,126 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 251 states and 317 transitions. [2024-10-13 17:37:46,138 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 159 [2024-10-13 17:37:46,151 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 251 states to 221 states and 287 transitions. [2024-10-13 17:37:46,152 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 221 [2024-10-13 17:37:46,154 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 221 [2024-10-13 17:37:46,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 221 states and 287 transitions. [2024-10-13 17:37:46,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:37:46,156 INFO L218 hiAutomatonCegarLoop]: Abstraction has 221 states and 287 transitions. [2024-10-13 17:37:46,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states and 287 transitions. [2024-10-13 17:37:46,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 139. [2024-10-13 17:37:46,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 139 states have (on average 1.3021582733812949) internal successors, (181), 138 states have internal predecessors, (181), 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) [2024-10-13 17:37:46,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 181 transitions. [2024-10-13 17:37:46,202 INFO L240 hiAutomatonCegarLoop]: Abstraction has 139 states and 181 transitions. [2024-10-13 17:37:46,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 17:37:46,207 INFO L425 stractBuchiCegarLoop]: Abstraction has 139 states and 181 transitions. [2024-10-13 17:37:46,207 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-13 17:37:46,207 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 139 states and 181 transitions. [2024-10-13 17:37:46,209 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 100 [2024-10-13 17:37:46,209 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:37:46,209 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:37:46,210 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:37:46,210 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] [2024-10-13 17:37:46,210 INFO L745 eck$LassoCheckResult]: Stem: 430#$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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 431#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret26#1, main_~retValue_acc~6#1, main_~tmp~3#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 420#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 421#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 417#valid_product_returnLabel#1 main_#t~ret26#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret26#1;havoc main_#t~ret26#1; 394#L514 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 376#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 377#L337-2 [2024-10-13 17:37:46,211 INFO L747 eck$LassoCheckResult]: Loop: 377#L337-2 assume !false; 451#L338 assume test_~splverifierCounter~0#1 < 4; 452#L339 havoc test_#t~nondet21#1;test_~tmp~2#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 447#L347 assume !(0 != test_~tmp~2#1); 439#L347-2 havoc test_#t~nondet22#1;test_~tmp___0~1#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 456#L357 assume !(0 != test_~tmp___0~1#1); 438#L357-2 havoc test_#t~nondet23#1;test_~tmp___2~0#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 395#L367 assume 0 != test_~tmp___2~0#1; 397#L373-2 assume { :begin_inline_timeShift } true; 418#L185 assume !(0 != ~pumpRunning~0); 427#L185-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret11#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 414#L217 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 385#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 386#L217-1 havoc processEnvironment_#t~ret11#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 416#L192-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#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~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 458#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification1_spec__1_#t~ret9#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret9#1;havoc __utac_acc__Specification1_spec__1_#t~ret9#1; 410#L146 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 412#L146-1 havoc __utac_acc__Specification1_spec__1_#t~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#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; 413#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 377#L337-2 [2024-10-13 17:37:46,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:37:46,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-10-13 17:37:46,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:37:46,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826373008] [2024-10-13 17:37:46,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:37:46,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:37:46,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:37:46,223 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:37:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:37:46,236 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:37:46,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:37:46,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1752583472, now seen corresponding path program 1 times [2024-10-13 17:37:46,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:37:46,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760358522] [2024-10-13 17:37:46,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:37:46,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:37:46,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:37:46,254 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:37:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:37:46,265 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:37:46,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:37:46,267 INFO L85 PathProgramCache]: Analyzing trace with hash 549559948, now seen corresponding path program 1 times [2024-10-13 17:37:46,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:37:46,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74887452] [2024-10-13 17:37:46,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:37:46,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:37:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:37:46,287 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:37:46,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:37:46,307 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:37:47,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:37:47,183 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:37:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:37:47,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 05:37:47 BoogieIcfgContainer [2024-10-13 17:37:47,244 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-13 17:37:47,245 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 17:37:47,245 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 17:37:47,245 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 17:37:47,246 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:37:45" (3/4) ... [2024-10-13 17:37:47,247 INFO L136 WitnessPrinter]: Generating witness for non-termination counterexample [2024-10-13 17:37:47,303 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 17:37:47,303 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 17:37:47,306 INFO L158 Benchmark]: Toolchain (without parser) took 3114.43ms. Allocated memory was 165.7MB in the beginning and 222.3MB in the end (delta: 56.6MB). Free memory was 97.2MB in the beginning and 169.4MB in the end (delta: -72.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:37:47,307 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 165.7MB. Free memory is still 123.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:37:47,307 INFO L158 Benchmark]: CACSL2BoogieTranslator took 503.88ms. Allocated memory is still 165.7MB. Free memory was 97.0MB in the beginning and 132.6MB in the end (delta: -35.6MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2024-10-13 17:37:47,308 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.85ms. Allocated memory is still 165.7MB. Free memory was 132.6MB in the beginning and 129.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 17:37:47,308 INFO L158 Benchmark]: Boogie Preprocessor took 60.86ms. Allocated memory is still 165.7MB. Free memory was 129.9MB in the beginning and 127.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 17:37:47,308 INFO L158 Benchmark]: RCFGBuilder took 502.39ms. Allocated memory is still 165.7MB. Free memory was 127.2MB in the beginning and 108.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-13 17:37:47,309 INFO L158 Benchmark]: BuchiAutomizer took 1939.19ms. Allocated memory was 165.7MB in the beginning and 222.3MB in the end (delta: 56.6MB). Free memory was 108.3MB in the beginning and 171.5MB in the end (delta: -63.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:37:47,309 INFO L158 Benchmark]: Witness Printer took 60.18ms. Allocated memory is still 222.3MB. Free memory was 171.5MB in the beginning and 169.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 17:37:47,312 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 165.7MB. Free memory is still 123.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 503.88ms. Allocated memory is still 165.7MB. Free memory was 97.0MB in the beginning and 132.6MB in the end (delta: -35.6MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.85ms. Allocated memory is still 165.7MB. Free memory was 132.6MB in the beginning and 129.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.86ms. Allocated memory is still 165.7MB. Free memory was 129.9MB in the beginning and 127.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 502.39ms. Allocated memory is still 165.7MB. Free memory was 127.2MB in the beginning and 108.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 1939.19ms. Allocated memory was 165.7MB in the beginning and 222.3MB in the end (delta: 56.6MB). Free memory was 108.3MB in the beginning and 171.5MB in the end (delta: -63.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 60.18ms. Allocated memory is still 222.3MB. Free memory was 171.5MB in the beginning and 169.4MB 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 135]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [135] - GenericResultAtLocation [Line: 163]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [163] - GenericResultAtLocation [Line: 172]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [172] - GenericResultAtLocation [Line: 325]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [325] - GenericResultAtLocation [Line: 393]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [393] - GenericResultAtLocation [Line: 431]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [431] - GenericResultAtLocation [Line: 527]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [527] * 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 139 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 82 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, 215 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 215 mSDsluCounter, 607 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 489 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 40 IncrementalHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 118 mSDtfsCounter, 40 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: 337]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L178] int pumpRunning = 0; [L179] int systemActive = 1; [L432] int cleanupTimeShifts = 4; [L697] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L505] int retValue_acc ; [L506] int tmp ; [L510] FCALL select_helpers() [L511] FCALL select_features() [L512] CALL, EXPR valid_product() [L423] int retValue_acc ; [L426] retValue_acc = 1 [L427] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L512] RET, EXPR valid_product() [L512] tmp = valid_product() [L514] COND TRUE \read(tmp) [L516] FCALL setup() [L517] CALL runTest() [L499] CALL test() [L328] int splverifierCounter ; [L329] int tmp ; [L330] int tmp___0 ; [L331] int tmp___1 ; [L332] int tmp___2 ; [L335] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L337] COND TRUE 1 [L339] COND TRUE splverifierCounter < 4 [L345] tmp = __VERIFIER_nondet_int() [L347] COND FALSE !(\read(tmp)) [L355] tmp___0 = __VERIFIER_nondet_int() [L357] COND FALSE !(\read(tmp___0)) [L365] tmp___2 = __VERIFIER_nondet_int() [L367] COND TRUE \read(tmp___2) [L382] CALL timeShift() [L185] COND FALSE !(\read(pumpRunning)) [L192] COND TRUE \read(systemActive) [L194] CALL processEnvironment() [L214] int tmp ; [L217] COND FALSE !(\read(pumpRunning)) [L232] FCALL processEnvironment__wrappee__base() [L194] RET processEnvironment() [L200] CALL __utac_acc__Specification1_spec__1() [L139] int tmp ; [L140] int tmp___0 ; [L144] CALL, EXPR isMethaneLevelCritical() [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); [L144] RET, EXPR isMethaneLevelCritical() [L144] tmp = isMethaneLevelCritical() [L146] COND FALSE !(\read(tmp)) [L200] RET __utac_acc__Specification1_spec__1() [L382] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 337]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L178] int pumpRunning = 0; [L179] int systemActive = 1; [L432] int cleanupTimeShifts = 4; [L697] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L505] int retValue_acc ; [L506] int tmp ; [L510] FCALL select_helpers() [L511] FCALL select_features() [L512] CALL, EXPR valid_product() [L423] int retValue_acc ; [L426] retValue_acc = 1 [L427] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L512] RET, EXPR valid_product() [L512] tmp = valid_product() [L514] COND TRUE \read(tmp) [L516] FCALL setup() [L517] CALL runTest() [L499] CALL test() [L328] int splverifierCounter ; [L329] int tmp ; [L330] int tmp___0 ; [L331] int tmp___1 ; [L332] int tmp___2 ; [L335] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L337] COND TRUE 1 [L339] COND TRUE splverifierCounter < 4 [L345] tmp = __VERIFIER_nondet_int() [L347] COND FALSE !(\read(tmp)) [L355] tmp___0 = __VERIFIER_nondet_int() [L357] COND FALSE !(\read(tmp___0)) [L365] tmp___2 = __VERIFIER_nondet_int() [L367] COND TRUE \read(tmp___2) [L382] CALL timeShift() [L185] COND FALSE !(\read(pumpRunning)) [L192] COND TRUE \read(systemActive) [L194] CALL processEnvironment() [L214] int tmp ; [L217] COND FALSE !(\read(pumpRunning)) [L232] FCALL processEnvironment__wrappee__base() [L194] RET processEnvironment() [L200] CALL __utac_acc__Specification1_spec__1() [L139] int tmp ; [L140] int tmp___0 ; [L144] CALL, EXPR isMethaneLevelCritical() [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); [L144] RET, EXPR isMethaneLevelCritical() [L144] tmp = isMethaneLevelCritical() [L146] COND FALSE !(\read(tmp)) [L200] RET __utac_acc__Specification1_spec__1() [L382] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-10-13 17:37:47,344 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)