./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_product30.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_product30.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 f807df90a44b5a362b78d711bb9d82091c60659923cb4423e7d2e565ee7e12b3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 17:38:00,089 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 17:38:00,169 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-13 17:38:00,173 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 17:38:00,173 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 17:38:00,198 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 17:38:00,198 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 17:38:00,199 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 17:38:00,199 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 17:38:00,199 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 17:38:00,200 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 17:38:00,200 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 17:38:00,201 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 17:38:00,201 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-13 17:38:00,201 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-13 17:38:00,202 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-13 17:38:00,202 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-13 17:38:00,203 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-13 17:38:00,203 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-13 17:38:00,203 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 17:38:00,204 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-13 17:38:00,204 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 17:38:00,204 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 17:38:00,205 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 17:38:00,205 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 17:38:00,205 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-13 17:38:00,206 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-13 17:38:00,206 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-13 17:38:00,206 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 17:38:00,206 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 17:38:00,207 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 17:38:00,207 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 17:38:00,207 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-13 17:38:00,207 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 17:38:00,208 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 17:38:00,208 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 17:38:00,208 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 17:38:00,209 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 17:38:00,209 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-13 17:38:00,209 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f807df90a44b5a362b78d711bb9d82091c60659923cb4423e7d2e565ee7e12b3 [2024-10-13 17:38:00,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 17:38:00,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 17:38:00,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 17:38:00,492 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 17:38:00,493 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 17:38:00,494 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c [2024-10-13 17:38:01,959 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 17:38:02,161 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 17:38:02,162 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c [2024-10-13 17:38:02,179 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10296b532/13d23b52529c421395c2f2f3ccf8da48/FLAGcad098eeb [2024-10-13 17:38:02,517 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10296b532/13d23b52529c421395c2f2f3ccf8da48 [2024-10-13 17:38:02,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 17:38:02,520 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 17:38:02,521 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 17:38:02,521 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 17:38:02,526 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 17:38:02,526 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:38:02" (1/1) ... [2024-10-13 17:38:02,527 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3584fad7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:02, skipping insertion in model container [2024-10-13 17:38:02,527 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:38:02" (1/1) ... [2024-10-13 17:38:02,574 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 17:38:02,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:38:02,932 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 17:38:02,941 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-10-13 17:38:02,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [153] [2024-10-13 17:38:02,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [519] [2024-10-13 17:38:02,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [554] [2024-10-13 17:38:02,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [648] [2024-10-13 17:38:02,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [657] [2024-10-13 17:38:02,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [865] [2024-10-13 17:38:02,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [891] [2024-10-13 17:38:03,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:38:03,043 INFO L204 MainTranslator]: Completed translation [2024-10-13 17:38:03,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:03 WrapperNode [2024-10-13 17:38:03,044 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 17:38:03,045 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 17:38:03,045 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 17:38:03,045 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 17:38:03,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:03" (1/1) ... [2024-10-13 17:38:03,065 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:03" (1/1) ... [2024-10-13 17:38:03,111 INFO L138 Inliner]: procedures = 55, calls = 101, calls flagged for inlining = 54, calls inlined = 81, statements flattened = 510 [2024-10-13 17:38:03,112 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 17:38:03,113 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 17:38:03,113 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 17:38:03,113 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 17:38:03,123 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:03" (1/1) ... [2024-10-13 17:38:03,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:03" (1/1) ... [2024-10-13 17:38:03,127 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:03" (1/1) ... [2024-10-13 17:38:03,142 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 17:38:03,143 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:03" (1/1) ... [2024-10-13 17:38:03,143 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:03" (1/1) ... [2024-10-13 17:38:03,152 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:03" (1/1) ... [2024-10-13 17:38:03,159 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:03" (1/1) ... [2024-10-13 17:38:03,161 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:03" (1/1) ... [2024-10-13 17:38:03,162 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:03" (1/1) ... [2024-10-13 17:38:03,168 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 17:38:03,169 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 17:38:03,169 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 17:38:03,169 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 17:38:03,170 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:03" (1/1) ... [2024-10-13 17:38:03,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:38:03,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:38:03,212 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 17:38:03,215 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 17:38:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 17:38:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 17:38:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 17:38:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 17:38:03,345 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 17:38:03,349 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 17:38:03,742 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2024-10-13 17:38:03,743 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 17:38:03,765 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 17:38:03,766 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-13 17:38:03,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:38:03 BoogieIcfgContainer [2024-10-13 17:38:03,766 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 17:38:03,767 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-13 17:38:03,767 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-13 17:38:03,770 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-13 17:38:03,771 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:38:03,771 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 05:38:02" (1/3) ... [2024-10-13 17:38:03,772 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79694762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:38:03, skipping insertion in model container [2024-10-13 17:38:03,772 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:38:03,773 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:38:03" (2/3) ... [2024-10-13 17:38:03,773 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79694762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:38:03, skipping insertion in model container [2024-10-13 17:38:03,773 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:38:03,773 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:38:03" (3/3) ... [2024-10-13 17:38:03,776 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product30.cil.c [2024-10-13 17:38:03,826 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-13 17:38:03,826 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-13 17:38:03,826 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-13 17:38:03,826 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-13 17:38:03,826 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-13 17:38:03,826 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-13 17:38:03,827 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-13 17:38:03,827 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-13 17:38:03,831 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 154 states, 153 states have (on average 1.3398692810457515) internal successors, (205), 153 states have internal predecessors, (205), 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 17:38:03,857 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 99 [2024-10-13 17:38:03,858 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:38:03,858 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:38:03,864 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:38:03,864 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:38:03,865 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-13 17:38:03,865 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 154 states, 153 states have (on average 1.3398692810457515) internal successors, (205), 153 states have internal predecessors, (205), 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 17:38:03,873 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 99 [2024-10-13 17:38:03,873 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:38:03,873 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:38:03,874 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:38:03,874 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:38:03,879 INFO L745 eck$LassoCheckResult]: Stem: 28#$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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 36#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 23#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 121#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; 105#valid_product_returnLabel#1true main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 65#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 86#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 125#L902-2true [2024-10-13 17:38:03,879 INFO L747 eck$LassoCheckResult]: Loop: 125#L902-2true assume !false; 116#L903true assume test_~splverifierCounter~0#1 < 4; 20#L904true havoc test_#t~nondet49#1;test_~tmp~9#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 136#L912true assume !(0 != test_~tmp~9#1); 90#L912-2true havoc test_#t~nondet50#1;test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 142#L922true assume !(0 != test_~tmp___0~2#1); 79#L922-2true havoc test_#t~nondet51#1;test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 99#L932true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet52#1;test_~tmp___1~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 104#L940true assume 0 != test_~tmp___1~0#1; 37#L940-2true assume { :begin_inline_timeShift } true; 53#L670true assume !(0 != ~pumpRunning~0); 9#L670-2true assume !(0 != ~systemActive~0); 155#L677-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_~tmp~8#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~8#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 82#isMethaneLevelCritical_returnLabel#2true __utac_acc__Specification1_spec__1_#t~ret47#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~8#1 := __utac_acc__Specification1_spec__1_#t~ret47#1;havoc __utac_acc__Specification1_spec__1_#t~ret47#1; 96#L874true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~8#1); 144#L874-1true havoc __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_~tmp~8#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 72#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 125#L902-2true [2024-10-13 17:38:03,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:38:03,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-10-13 17:38:03,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:38:03,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157407715] [2024-10-13 17:38:03,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:38:03,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:38:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:38:03,997 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:38:04,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:38:04,039 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:38:04,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:38:04,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1422595652, now seen corresponding path program 1 times [2024-10-13 17:38:04,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:38:04,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332356429] [2024-10-13 17:38:04,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:38:04,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:38:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:38:04,056 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:38:04,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:38:04,068 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:38:04,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:38:04,072 INFO L85 PathProgramCache]: Analyzing trace with hash 490914048, now seen corresponding path program 1 times [2024-10-13 17:38:04,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:38:04,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513225235] [2024-10-13 17:38:04,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:38:04,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:38:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:38:04,290 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 17:38:04,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:38:04,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513225235] [2024-10-13 17:38:04,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513225235] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:38:04,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:38:04,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 17:38:04,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911085840] [2024-10-13 17:38:04,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:38:04,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:38:04,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 17:38:04,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 17:38:04,466 INFO L87 Difference]: Start difference. First operand has 154 states, 153 states have (on average 1.3398692810457515) internal successors, (205), 153 states have internal predecessors, (205), 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) [2024-10-13 17:38:04,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:38:04,539 INFO L93 Difference]: Finished difference Result 148 states and 188 transitions. [2024-10-13 17:38:04,541 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 148 states and 188 transitions. [2024-10-13 17:38:04,546 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 93 [2024-10-13 17:38:04,550 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 148 states to 138 states and 178 transitions. [2024-10-13 17:38:04,551 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 138 [2024-10-13 17:38:04,552 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 138 [2024-10-13 17:38:04,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 138 states and 178 transitions. [2024-10-13 17:38:04,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:38:04,553 INFO L218 hiAutomatonCegarLoop]: Abstraction has 138 states and 178 transitions. [2024-10-13 17:38:04,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states and 178 transitions. [2024-10-13 17:38:04,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2024-10-13 17:38:04,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 138 states have (on average 1.289855072463768) internal successors, (178), 137 states have internal predecessors, (178), 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 17:38:04,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 178 transitions. [2024-10-13 17:38:04,586 INFO L240 hiAutomatonCegarLoop]: Abstraction has 138 states and 178 transitions. [2024-10-13 17:38:04,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 17:38:04,593 INFO L425 stractBuchiCegarLoop]: Abstraction has 138 states and 178 transitions. [2024-10-13 17:38:04,593 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-13 17:38:04,593 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 178 transitions. [2024-10-13 17:38:04,595 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 93 [2024-10-13 17:38:04,595 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:38:04,595 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:38:04,596 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:38:04,596 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:38:04,600 INFO L745 eck$LassoCheckResult]: Stem: 365#$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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 366#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 359#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 360#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; 446#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 407#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 408#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 415#L902-2 [2024-10-13 17:38:04,601 INFO L747 eck$LassoCheckResult]: Loop: 415#L902-2 assume !false; 451#L903 assume test_~splverifierCounter~0#1 < 4; 352#L904 havoc test_#t~nondet49#1;test_~tmp~9#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 353#L912 assume !(0 != test_~tmp~9#1); 436#L912-2 havoc test_#t~nondet50#1;test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 437#L922 assume !(0 != test_~tmp___0~2#1); 427#L922-2 havoc test_#t~nondet51#1;test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 428#L932 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 406#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 378#L940-2 assume { :begin_inline_timeShift } true; 379#L670 assume !(0 != ~pumpRunning~0); 329#L670-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret35#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 330#L728 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret34#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1; 423#L702-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 320#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 321#L702-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret34#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 351#L728-1 havoc processEnvironment_#t~ret35#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 399#L677-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_~tmp~8#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~8#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 429#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification1_spec__1_#t~ret47#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~8#1 := __utac_acc__Specification1_spec__1_#t~ret47#1;havoc __utac_acc__Specification1_spec__1_#t~ret47#1; 430#L874 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~8#1); 394#L874-1 havoc __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_~tmp~8#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 414#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 415#L902-2 [2024-10-13 17:38:04,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:38:04,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-10-13 17:38:04,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:38:04,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990287373] [2024-10-13 17:38:04,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:38:04,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:38:04,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:38:04,615 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:38:04,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:38:04,632 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:38:04,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:38:04,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1056589915, now seen corresponding path program 1 times [2024-10-13 17:38:04,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:38:04,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175572708] [2024-10-13 17:38:04,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:38:04,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:38:04,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:38:04,644 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:38:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:38:04,650 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:38:04,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:38:04,651 INFO L85 PathProgramCache]: Analyzing trace with hash 60252777, now seen corresponding path program 1 times [2024-10-13 17:38:04,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:38:04,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717368390] [2024-10-13 17:38:04,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:38:04,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:38:04,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:38:04,672 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:38:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:38:04,684 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:38:05,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:38:05,541 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:38:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:38:05,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 05:38:05 BoogieIcfgContainer [2024-10-13 17:38:05,612 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-13 17:38:05,613 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 17:38:05,613 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 17:38:05,614 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 17:38:05,614 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:38:03" (3/4) ... [2024-10-13 17:38:05,615 INFO L136 WitnessPrinter]: Generating witness for non-termination counterexample [2024-10-13 17:38:05,680 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 17:38:05,680 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 17:38:05,681 INFO L158 Benchmark]: Toolchain (without parser) took 3160.82ms. Allocated memory is still 148.9MB. Free memory was 79.0MB in the beginning and 47.4MB in the end (delta: 31.6MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2024-10-13 17:38:05,681 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 117.4MB. Free memory is still 77.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:38:05,681 INFO L158 Benchmark]: CACSL2BoogieTranslator took 523.72ms. Allocated memory is still 148.9MB. Free memory was 78.8MB in the beginning and 109.3MB in the end (delta: -30.5MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2024-10-13 17:38:05,681 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.04ms. Allocated memory is still 148.9MB. Free memory was 109.3MB in the beginning and 105.7MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 17:38:05,682 INFO L158 Benchmark]: Boogie Preprocessor took 55.39ms. Allocated memory is still 148.9MB. Free memory was 105.7MB in the beginning and 103.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 17:38:05,682 INFO L158 Benchmark]: RCFGBuilder took 597.46ms. Allocated memory is still 148.9MB. Free memory was 103.0MB in the beginning and 77.7MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-10-13 17:38:05,682 INFO L158 Benchmark]: BuchiAutomizer took 1845.69ms. Allocated memory is still 148.9MB. Free memory was 77.0MB in the beginning and 49.5MB in the end (delta: 27.5MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2024-10-13 17:38:05,682 INFO L158 Benchmark]: Witness Printer took 66.86ms. Allocated memory is still 148.9MB. Free memory was 49.5MB in the beginning and 47.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 17:38:05,684 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 117.4MB. Free memory is still 77.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 523.72ms. Allocated memory is still 148.9MB. Free memory was 78.8MB in the beginning and 109.3MB in the end (delta: -30.5MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.04ms. Allocated memory is still 148.9MB. Free memory was 109.3MB in the beginning and 105.7MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.39ms. Allocated memory is still 148.9MB. Free memory was 105.7MB in the beginning and 103.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 597.46ms. Allocated memory is still 148.9MB. Free memory was 103.0MB in the beginning and 77.7MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 1845.69ms. Allocated memory is still 148.9MB. Free memory was 77.0MB in the beginning and 49.5MB in the end (delta: 27.5MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * Witness Printer took 66.86ms. Allocated memory is still 148.9MB. Free memory was 49.5MB in the beginning and 47.4MB 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,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [153] - GenericResultAtLocation [Line: 519]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [519] - GenericResultAtLocation [Line: 554]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [554] - GenericResultAtLocation [Line: 648]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [648] - GenericResultAtLocation [Line: 657]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [657] - GenericResultAtLocation [Line: 865]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [865] - GenericResultAtLocation [Line: 891]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [891] * 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 138 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 186 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 186 mSDsluCounter, 542 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 359 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 183 mSDtfsCounter, 20 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: 902]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L323] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L560] int waterLevel = 1; [L561] int methaneLevelCritical = 0; [L662] int pumpRunning = 0; [L663] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L546] int retValue_acc ; [L549] retValue_acc = 1 [L550] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L893] int splverifierCounter ; [L894] int tmp ; [L895] int tmp___0 ; [L896] int tmp___1 ; [L897] int tmp___2 ; [L900] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L902] COND TRUE 1 [L904] COND TRUE splverifierCounter < 4 [L910] tmp = __VERIFIER_nondet_int() [L912] COND FALSE !(\read(tmp)) [L920] tmp___0 = __VERIFIER_nondet_int() [L922] COND FALSE !(\read(tmp___0)) [L930] tmp___2 = __VERIFIER_nondet_int() [L932] COND TRUE \read(tmp___2) [L934] CALL startSystem() [L861] systemActive = 1 [L934] RET startSystem() [L947] CALL timeShift() [L670] COND FALSE !(\read(pumpRunning)) [L677] COND TRUE \read(systemActive) [L679] CALL processEnvironment() [L725] int tmp ; [L728] COND FALSE !(\read(pumpRunning)) [L743] CALL processEnvironment__wrappee__methaneQuery() [L699] int tmp ; [L702] COND FALSE !(\read(pumpRunning)) [L717] FCALL processEnvironment__wrappee__base() [L743] RET processEnvironment__wrappee__methaneQuery() [L679] RET processEnvironment() [L685] CALL __utac_acc__Specification1_spec__1() [L867] int tmp ; [L868] int tmp___0 ; [L872] CALL, EXPR isMethaneLevelCritical() [L599] int retValue_acc ; [L602] retValue_acc = methaneLevelCritical [L603] return (retValue_acc); [L872] RET, EXPR isMethaneLevelCritical() [L872] tmp = isMethaneLevelCritical() [L874] COND FALSE !(\read(tmp)) [L685] RET __utac_acc__Specification1_spec__1() [L947] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 902]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L323] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L560] int waterLevel = 1; [L561] int methaneLevelCritical = 0; [L662] int pumpRunning = 0; [L663] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L546] int retValue_acc ; [L549] retValue_acc = 1 [L550] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L893] int splverifierCounter ; [L894] int tmp ; [L895] int tmp___0 ; [L896] int tmp___1 ; [L897] int tmp___2 ; [L900] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L902] COND TRUE 1 [L904] COND TRUE splverifierCounter < 4 [L910] tmp = __VERIFIER_nondet_int() [L912] COND FALSE !(\read(tmp)) [L920] tmp___0 = __VERIFIER_nondet_int() [L922] COND FALSE !(\read(tmp___0)) [L930] tmp___2 = __VERIFIER_nondet_int() [L932] COND TRUE \read(tmp___2) [L934] CALL startSystem() [L861] systemActive = 1 [L934] RET startSystem() [L947] CALL timeShift() [L670] COND FALSE !(\read(pumpRunning)) [L677] COND TRUE \read(systemActive) [L679] CALL processEnvironment() [L725] int tmp ; [L728] COND FALSE !(\read(pumpRunning)) [L743] CALL processEnvironment__wrappee__methaneQuery() [L699] int tmp ; [L702] COND FALSE !(\read(pumpRunning)) [L717] FCALL processEnvironment__wrappee__base() [L743] RET processEnvironment__wrappee__methaneQuery() [L679] RET processEnvironment() [L685] CALL __utac_acc__Specification1_spec__1() [L867] int tmp ; [L868] int tmp___0 ; [L872] CALL, EXPR isMethaneLevelCritical() [L599] int retValue_acc ; [L602] retValue_acc = methaneLevelCritical [L603] return (retValue_acc); [L872] RET, EXPR isMethaneLevelCritical() [L872] tmp = isMethaneLevelCritical() [L874] COND FALSE !(\read(tmp)) [L685] RET __utac_acc__Specification1_spec__1() [L947] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-10-13 17:38:05,708 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)