./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product11.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 9f744cc9100fe4c41c9cd8fddc1d55538ad14922708f8374e740fa1a934b47f6 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:45:24,484 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:45:24,524 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-17 08:45:24,527 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:45:24,528 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:45:24,528 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:45:24,549 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:45:24,549 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:45:24,549 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:45:24,550 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:45:24,550 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:45:24,552 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:45:24,553 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:45:24,555 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:45:24,555 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:45:24,556 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:45:24,556 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:45:24,556 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:45:24,556 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:45:24,556 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:45:24,556 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:45:24,558 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:45:24,558 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 08:45:24,558 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:45:24,558 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 08:45:24,559 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:45:24,559 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:45:24,559 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:45:24,559 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:45:24,559 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:45:24,559 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:45:24,560 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 08:45:24,560 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:45:24,560 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:45:24,560 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:45:24,560 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:45:24,561 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:45:24,561 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:45:24,561 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:45:24,562 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:45:24,562 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f744cc9100fe4c41c9cd8fddc1d55538ad14922708f8374e740fa1a934b47f6 [2024-11-17 08:45:24,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:45:24,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:45:24,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:45:24,769 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:45:24,770 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:45:24,771 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c [2024-11-17 08:45:25,985 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:45:26,167 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:45:26,167 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c [2024-11-17 08:45:26,182 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d5caeb6b/2aabfa5e4ac94c36b276d1d31793cae1/FLAGe4872cba7 [2024-11-17 08:45:26,195 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d5caeb6b/2aabfa5e4ac94c36b276d1d31793cae1 [2024-11-17 08:45:26,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:45:26,199 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:45:26,201 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:45:26,202 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:45:26,206 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:45:26,207 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:45:26" (1/1) ... [2024-11-17 08:45:26,208 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e8515a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:26, skipping insertion in model container [2024-11-17 08:45:26,208 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:45:26" (1/1) ... [2024-11-17 08:45:26,243 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:45:26,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:45:26,529 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:45:26,537 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-11-17 08:45:26,538 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [153] [2024-11-17 08:45:26,538 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [188] [2024-11-17 08:45:26,538 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [336] [2024-11-17 08:45:26,539 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [403] [2024-11-17 08:45:26,539 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [412] [2024-11-17 08:45:26,539 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [493] [2024-11-17 08:45:26,539 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [519] [2024-11-17 08:45:26,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:45:26,593 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:45:26,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:26 WrapperNode [2024-11-17 08:45:26,593 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:45:26,594 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:45:26,594 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:45:26,594 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:45:26,599 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:26" (1/1) ... [2024-11-17 08:45:26,612 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:26" (1/1) ... [2024-11-17 08:45:26,634 INFO L138 Inliner]: procedures = 51, calls = 93, calls flagged for inlining = 46, calls inlined = 37, statements flattened = 233 [2024-11-17 08:45:26,634 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:45:26,635 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:45:26,635 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:45:26,635 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:45:26,642 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:26" (1/1) ... [2024-11-17 08:45:26,643 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:26" (1/1) ... [2024-11-17 08:45:26,647 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:26" (1/1) ... [2024-11-17 08:45:26,660 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-17 08:45:26,661 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:26" (1/1) ... [2024-11-17 08:45:26,661 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:26" (1/1) ... [2024-11-17 08:45:26,664 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:26" (1/1) ... [2024-11-17 08:45:26,665 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:26" (1/1) ... [2024-11-17 08:45:26,666 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:26" (1/1) ... [2024-11-17 08:45:26,666 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:26" (1/1) ... [2024-11-17 08:45:26,667 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:45:26,668 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:45:26,668 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:45:26,668 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:45:26,669 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:26" (1/1) ... [2024-11-17 08:45:26,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:45:26,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:45:26,702 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:45:26,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-17 08:45:26,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 08:45:26,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 08:45:26,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:45:26,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:45:26,804 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:45:26,807 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:45:27,024 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L185-1: valid_product_#res#1 := valid_product_~retValue_acc~2#1; [2024-11-17 08:45:27,024 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L458-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; [2024-11-17 08:45:27,024 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L458-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; [2024-11-17 08:45:27,024 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L458-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; [2024-11-17 08:45:27,024 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L282-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; [2024-11-17 08:45:27,024 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L282-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; [2024-11-17 08:45:27,024 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L150-1: main_#res#1 := main_~retValue_acc~0#1; [2024-11-17 08:45:27,025 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L282-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; [2024-11-17 08:45:27,035 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-11-17 08:45:27,035 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:45:27,049 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:45:27,049 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:45:27,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:45:27 BoogieIcfgContainer [2024-11-17 08:45:27,050 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:45:27,050 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:45:27,051 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:45:27,054 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:45:27,054 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:45:27,055 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:45:26" (1/3) ... [2024-11-17 08:45:27,055 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@505757f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:45:27, skipping insertion in model container [2024-11-17 08:45:27,056 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:45:27,056 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:26" (2/3) ... [2024-11-17 08:45:27,057 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@505757f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:45:27, skipping insertion in model container [2024-11-17 08:45:27,057 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:45:27,057 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:45:27" (3/3) ... [2024-11-17 08:45:27,058 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product11.cil.c [2024-11-17 08:45:27,100 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:45:27,100 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:45:27,100 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:45:27,101 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:45:27,101 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:45:27,101 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:45:27,101 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:45:27,101 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:45:27,104 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 84 states, 83 states have (on average 1.3493975903614457) internal successors, (112), 83 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:45:27,119 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2024-11-17 08:45:27,120 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:45:27,120 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:45:27,124 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:45:27,124 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:45:27,124 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:45:27,124 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 84 states, 83 states have (on average 1.3493975903614457) internal successors, (112), 83 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:45:27,130 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2024-11-17 08:45:27,132 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:45:27,132 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:45:27,132 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:45:27,132 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:45:27,136 INFO L745 eck$LassoCheckResult]: Stem: 61#ULTIMATE.startENTRYtrue 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;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 33#ULTIMATE.init_returnLabel#1true assume true;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; 49#L176true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 75#L169true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; 21#L184true assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 68#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 50#L113true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 51#L347true [2024-11-17 08:45:27,137 INFO L747 eck$LassoCheckResult]: Loop: 51#L347true assume true; 64#L347-1true assume !false; 65#test_while_1_continue#1true assume true; 25#L349true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet16#1;test_~tmp~2#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 69#L357true assume !(0 != test_~tmp~2#1); 62#L365true havoc test_#t~nondet17#1;test_~tmp___0~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 14#L367true assume !(0 != test_~tmp___0~0#1); 13#L375true havoc test_#t~nondet18#1;test_~tmp___2~0#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 79#L377true assume 0 != test_~tmp___2~0#1; 53#L392true assume { :begin_inline_timeShift } true; 37#L204-2true assume !(0 != ~pumpRunning~0); 23#L211-2true assume !(0 != ~systemActive~0); 83#L219-2true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_#t~ret26#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~3#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 56#L457-2true assume true;__utac_acc__Specification1_spec__1_#t~ret25#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~3#1 := __utac_acc__Specification1_spec__1_#t~ret25#1;havoc __utac_acc__Specification1_spec__1_#t~ret25#1; 66#L502-2true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3#1); 38#L516-2true assume true;havoc __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_#t~ret26#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 76#L221-2true assume true;assume { :end_inline_timeShift } true; 51#L347true [2024-11-17 08:45:27,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:45:27,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1588192388, now seen corresponding path program 1 times [2024-11-17 08:45:27,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:45:27,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648058973] [2024-11-17 08:45:27,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:45:27,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:45:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:27,226 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:45:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:27,249 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:45:27,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:45:27,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1612796996, now seen corresponding path program 1 times [2024-11-17 08:45:27,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:45:27,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704643493] [2024-11-17 08:45:27,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:45:27,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:45:27,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:27,257 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:45:27,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:27,266 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:45:27,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:45:27,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1434698199, now seen corresponding path program 1 times [2024-11-17 08:45:27,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:45:27,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188345264] [2024-11-17 08:45:27,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:45:27,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:45:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:45:27,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:45:27,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:45:27,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188345264] [2024-11-17 08:45:27,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188345264] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:45:27,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:45:27,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 08:45:27,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475677701] [2024-11-17 08:45:27,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:45:27,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:45:27,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:45:27,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:45:27,487 INFO L87 Difference]: Start difference. First operand has 84 states, 83 states have (on average 1.3493975903614457) internal successors, (112), 83 states have internal predecessors, (112), 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 3 states, 3 states have (on average 8.0) internal successors, (24), 2 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) [2024-11-17 08:45:27,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:45:27,516 INFO L93 Difference]: Finished difference Result 148 states and 186 transitions. [2024-11-17 08:45:27,517 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 148 states and 186 transitions. [2024-11-17 08:45:27,523 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 90 [2024-11-17 08:45:27,528 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 148 states to 126 states and 163 transitions. [2024-11-17 08:45:27,528 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 126 [2024-11-17 08:45:27,529 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 126 [2024-11-17 08:45:27,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 126 states and 163 transitions. [2024-11-17 08:45:27,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:45:27,530 INFO L218 hiAutomatonCegarLoop]: Abstraction has 126 states and 163 transitions. [2024-11-17 08:45:27,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states and 163 transitions. [2024-11-17 08:45:27,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 123. [2024-11-17 08:45:27,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 123 states have (on average 1.2926829268292683) internal successors, (159), 122 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:45:27,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 159 transitions. [2024-11-17 08:45:27,558 INFO L240 hiAutomatonCegarLoop]: Abstraction has 123 states and 159 transitions. [2024-11-17 08:45:27,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 08:45:27,563 INFO L425 stractBuchiCegarLoop]: Abstraction has 123 states and 159 transitions. [2024-11-17 08:45:27,563 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:45:27,563 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 123 states and 159 transitions. [2024-11-17 08:45:27,568 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 90 [2024-11-17 08:45:27,568 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:45:27,568 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:45:27,569 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:45:27,569 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:45:27,569 INFO L745 eck$LassoCheckResult]: Stem: 316#ULTIMATE.startENTRY 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;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 283#ULTIMATE.init_returnLabel#1 assume true;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; 284#L176 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 304#L169 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; 270#L184 assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 271#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 305#L113 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 306#L347 [2024-11-17 08:45:27,569 INFO L747 eck$LassoCheckResult]: Loop: 306#L347 assume true; 307#L347-1 assume !false; 319#test_while_1_continue#1 assume true; 320#L349 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet16#1;test_~tmp~2#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 332#L357 assume !(0 != test_~tmp~2#1); 342#L365 havoc test_#t~nondet17#1;test_~tmp___0~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 340#L367 assume !(0 != test_~tmp___0~0#1); 259#L375 havoc test_#t~nondet18#1;test_~tmp___2~0#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 260#L377 assume 0 != test_~tmp___2~0#1; 309#L392 assume { :begin_inline_timeShift } true; 287#L204-2 assume !(0 != ~pumpRunning~0); 274#L211-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 257#L228-2 assume true;assume { :end_inline_processEnvironment } true; 258#L219-2 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_#t~ret26#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~3#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 310#L457-2 assume true;__utac_acc__Specification1_spec__1_#t~ret25#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~3#1 := __utac_acc__Specification1_spec__1_#t~ret25#1;havoc __utac_acc__Specification1_spec__1_#t~ret25#1; 311#L502-2 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3#1); 289#L516-2 assume true;havoc __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_#t~ret26#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 290#L221-2 assume true;assume { :end_inline_timeShift } true; 306#L347 [2024-11-17 08:45:27,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:45:27,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1588192388, now seen corresponding path program 2 times [2024-11-17 08:45:27,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:45:27,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87825826] [2024-11-17 08:45:27,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:45:27,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:45:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:27,587 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:45:27,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:27,603 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:45:27,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:45:27,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1896928605, now seen corresponding path program 1 times [2024-11-17 08:45:27,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:45:27,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381532881] [2024-11-17 08:45:27,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:45:27,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:45:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:27,614 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:45:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:27,628 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:45:27,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:45:27,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1913858072, now seen corresponding path program 1 times [2024-11-17 08:45:27,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:45:27,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437011513] [2024-11-17 08:45:27,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:45:27,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:45:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:27,649 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:45:27,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:27,667 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:45:28,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:28,298 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:45:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:28,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:45:28 BoogieIcfgContainer [2024-11-17 08:45:28,359 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:45:28,359 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:45:28,359 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:45:28,359 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:45:28,360 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:45:27" (3/4) ... [2024-11-17 08:45:28,361 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-17 08:45:28,397 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 08:45:28,397 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:45:28,397 INFO L158 Benchmark]: Toolchain (without parser) took 2198.17ms. Allocated memory is still 172.0MB. Free memory was 102.3MB in the beginning and 136.7MB in the end (delta: -34.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:45:28,397 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory is still 61.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:45:28,397 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.27ms. Allocated memory is still 172.0MB. Free memory was 102.1MB in the beginning and 135.1MB in the end (delta: -33.0MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2024-11-17 08:45:28,398 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.10ms. Allocated memory is still 172.0MB. Free memory was 135.1MB in the beginning and 132.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:45:28,398 INFO L158 Benchmark]: Boogie Preprocessor took 33.05ms. Allocated memory is still 172.0MB. Free memory was 132.4MB in the beginning and 130.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:45:28,398 INFO L158 Benchmark]: IcfgBuilder took 381.75ms. Allocated memory is still 172.0MB. Free memory was 130.3MB in the beginning and 112.8MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-17 08:45:28,398 INFO L158 Benchmark]: BuchiAutomizer took 1308.30ms. Allocated memory is still 172.0MB. Free memory was 112.8MB in the beginning and 138.8MB in the end (delta: -26.0MB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. [2024-11-17 08:45:28,399 INFO L158 Benchmark]: Witness Printer took 37.66ms. Allocated memory is still 172.0MB. Free memory was 138.8MB in the beginning and 136.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:45:28,400 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory is still 61.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.27ms. Allocated memory is still 172.0MB. Free memory was 102.1MB in the beginning and 135.1MB in the end (delta: -33.0MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.10ms. Allocated memory is still 172.0MB. Free memory was 135.1MB in the beginning and 132.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.05ms. Allocated memory is still 172.0MB. Free memory was 132.4MB in the beginning and 130.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 381.75ms. Allocated memory is still 172.0MB. Free memory was 130.3MB in the beginning and 112.8MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1308.30ms. Allocated memory is still 172.0MB. Free memory was 112.8MB in the beginning and 138.8MB in the end (delta: -26.0MB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. * Witness Printer took 37.66ms. Allocated memory is still 172.0MB. Free memory was 138.8MB in the beginning and 136.7MB 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,"featureselect.i","") [153] - GenericResultAtLocation [Line: 188]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [188] - GenericResultAtLocation [Line: 336]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [336] - GenericResultAtLocation [Line: 403]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [403] - GenericResultAtLocation [Line: 412]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [412] - GenericResultAtLocation [Line: 493]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [493] - GenericResultAtLocation [Line: 519]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [519] * 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 3 locations. The remainder module has 123 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 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, 76 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 76 mSDsluCounter, 180 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 84 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 96 mSDtfsCounter, 10 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: 347]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L196] int pumpRunning = 0; [L197] int systemActive = 1; [L414] int waterLevel = 1; [L415] int methaneLevelCritical = 0; [L689] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; 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() [L180] int retValue_acc ; [L183] retValue_acc = 1 [L184] 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() [L338] int splverifierCounter ; [L339] int tmp ; [L340] int tmp___0 ; [L341] int tmp___1 ; [L342] int tmp___2 ; [L345] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L347] COND TRUE 1 [L349] COND TRUE splverifierCounter < 4 [L355] tmp = __VERIFIER_nondet_int() [L357] COND FALSE !(\read(tmp)) [L365] tmp___0 = __VERIFIER_nondet_int() [L367] COND FALSE !(\read(tmp___0)) [L375] tmp___2 = __VERIFIER_nondet_int() [L377] COND TRUE \read(tmp___2) [L392] CALL timeShift() [L204] COND FALSE !(\read(pumpRunning)) [L211] COND TRUE \read(systemActive) [L213] FCALL processEnvironment() [L219] CALL __utac_acc__Specification1_spec__1() [L495] int tmp ; [L496] int tmp___0 ; [L500] CALL, EXPR isMethaneLevelCritical() [L453] int retValue_acc ; [L456] retValue_acc = methaneLevelCritical [L457] return (retValue_acc); [L500] RET, EXPR isMethaneLevelCritical() [L500] tmp = isMethaneLevelCritical() [L502] COND FALSE !(\read(tmp)) [L219] RET __utac_acc__Specification1_spec__1() [L392] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 347]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L196] int pumpRunning = 0; [L197] int systemActive = 1; [L414] int waterLevel = 1; [L415] int methaneLevelCritical = 0; [L689] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; 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() [L180] int retValue_acc ; [L183] retValue_acc = 1 [L184] 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() [L338] int splverifierCounter ; [L339] int tmp ; [L340] int tmp___0 ; [L341] int tmp___1 ; [L342] int tmp___2 ; [L345] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L347] COND TRUE 1 [L349] COND TRUE splverifierCounter < 4 [L355] tmp = __VERIFIER_nondet_int() [L357] COND FALSE !(\read(tmp)) [L365] tmp___0 = __VERIFIER_nondet_int() [L367] COND FALSE !(\read(tmp___0)) [L375] tmp___2 = __VERIFIER_nondet_int() [L377] COND TRUE \read(tmp___2) [L392] CALL timeShift() [L204] COND FALSE !(\read(pumpRunning)) [L211] COND TRUE \read(systemActive) [L213] FCALL processEnvironment() [L219] CALL __utac_acc__Specification1_spec__1() [L495] int tmp ; [L496] int tmp___0 ; [L500] CALL, EXPR isMethaneLevelCritical() [L453] int retValue_acc ; [L456] retValue_acc = methaneLevelCritical [L457] return (retValue_acc); [L500] RET, EXPR isMethaneLevelCritical() [L500] tmp = isMethaneLevelCritical() [L502] COND FALSE !(\read(tmp)) [L219] RET __utac_acc__Specification1_spec__1() [L392] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-17 08:45:28,424 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)