./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product61.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 023d838f 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_product61.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 f250833677b07ed1377ed852c7268af3b652ab26de7f7fe1fca27ae75baf167f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:13:36,852 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:13:36,933 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:13:36,940 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:13:36,941 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:13:36,942 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:13:36,975 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:13:36,977 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:13:36,977 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:13:36,979 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:13:36,980 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:13:36,981 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:13:36,981 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:13:36,984 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:13:36,985 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:13:36,985 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:13:36,985 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:13:36,986 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:13:36,986 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:13:36,986 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:13:36,987 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:13:36,987 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:13:36,987 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:13:36,988 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:13:36,988 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:13:36,988 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:13:36,989 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:13:36,989 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:13:36,989 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:13:36,989 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:13:36,990 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:13:36,990 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:13:36,990 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:13:36,990 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:13:36,991 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:13:36,991 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:13:36,991 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:13:36,992 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:13:36,992 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:13:36,993 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:13:36,993 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f250833677b07ed1377ed852c7268af3b652ab26de7f7fe1fca27ae75baf167f [2024-11-10 23:13:37,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:13:37,263 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:13:37,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:13:37,267 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:13:37,268 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:13:37,269 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product61.cil.c [2024-11-10 23:13:38,710 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:13:38,965 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:13:38,966 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product61.cil.c [2024-11-10 23:13:38,983 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af18ba451/fc027211582b452b837af0982cb8c0ab/FLAGdc5847f85 [2024-11-10 23:13:39,007 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af18ba451/fc027211582b452b837af0982cb8c0ab [2024-11-10 23:13:39,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:13:39,013 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:13:39,016 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:13:39,017 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:13:39,022 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:13:39,023 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:13:39" (1/1) ... [2024-11-10 23:13:39,024 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6673963a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:39, skipping insertion in model container [2024-11-10 23:13:39,024 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:13:39" (1/1) ... [2024-11-10 23:13:39,073 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:13:39,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:13:39,475 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:13:39,482 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-10 23:13:39,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] [2024-11-10 23:13:39,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [198] [2024-11-10 23:13:39,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [207] [2024-11-10 23:13:39,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [234] [2024-11-10 23:13:39,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [333] [2024-11-10 23:13:39,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [575] [2024-11-10 23:13:39,485 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [640] [2024-11-10 23:13:39,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:13:39,579 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:13:39,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:39 WrapperNode [2024-11-10 23:13:39,580 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:13:39,580 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:13:39,581 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:13:39,581 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:13:39,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:39" (1/1) ... [2024-11-10 23:13:39,602 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:39" (1/1) ... [2024-11-10 23:13:39,651 INFO L138 Inliner]: procedures = 57, calls = 105, calls flagged for inlining = 58, calls inlined = 176, statements flattened = 1201 [2024-11-10 23:13:39,652 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:13:39,652 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:13:39,652 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:13:39,653 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:13:39,666 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:39" (1/1) ... [2024-11-10 23:13:39,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:39" (1/1) ... [2024-11-10 23:13:39,672 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:39" (1/1) ... [2024-11-10 23:13:39,696 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]. [2024-11-10 23:13:39,697 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:39" (1/1) ... [2024-11-10 23:13:39,697 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:39" (1/1) ... [2024-11-10 23:13:39,710 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:39" (1/1) ... [2024-11-10 23:13:39,712 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:39" (1/1) ... [2024-11-10 23:13:39,715 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:39" (1/1) ... [2024-11-10 23:13:39,718 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:39" (1/1) ... [2024-11-10 23:13:39,722 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:13:39,724 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:13:39,724 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:13:39,724 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:13:39,725 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:39" (1/1) ... [2024-11-10 23:13:39,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:13:39,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:13:39,773 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) [2024-11-10 23:13:39,779 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 [2024-11-10 23:13:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:13:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:13:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:13:39,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:13:39,911 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:13:39,913 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:13:40,816 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L498-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; [2024-11-10 23:13:40,817 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L498-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; [2024-11-10 23:13:40,818 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L498-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; [2024-11-10 23:13:40,818 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L140-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2024-11-10 23:13:40,818 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L140-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2024-11-10 23:13:40,818 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L140-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2024-11-10 23:13:40,818 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L140-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2024-11-10 23:13:40,818 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L140-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2024-11-10 23:13:40,819 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L140-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2024-11-10 23:13:40,819 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L140-13: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2024-11-10 23:13:40,820 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L140-15: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2024-11-10 23:13:40,820 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L140-17: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2024-11-10 23:13:40,820 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L140-19: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2024-11-10 23:13:40,820 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L140-21: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2024-11-10 23:13:40,820 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L140-23: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2024-11-10 23:13:40,821 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L140-25: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2024-11-10 23:13:40,821 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L140-27: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2024-11-10 23:13:40,822 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L140-29: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2024-11-10 23:13:40,822 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L140-31: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2024-11-10 23:13:40,822 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L140-33: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2024-11-10 23:13:40,823 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L140-35: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2024-11-10 23:13:40,823 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L572-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~10#1; [2024-11-10 23:13:40,823 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L572-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~10#1; [2024-11-10 23:13:40,823 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L572-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~10#1; [2024-11-10 23:13:40,824 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L572-7: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~10#1; [2024-11-10 23:13:40,824 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L572-9: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~10#1; [2024-11-10 23:13:40,824 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L572-11: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~10#1; [2024-11-10 23:13:40,824 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L84-1: valid_product_#res#1 := valid_product_~retValue_acc~1#1; [2024-11-10 23:13:40,824 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L186-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; [2024-11-10 23:13:40,824 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L186-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; [2024-11-10 23:13:40,824 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L186-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; [2024-11-10 23:13:40,824 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L186-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; [2024-11-10 23:13:40,824 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L186-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; [2024-11-10 23:13:40,824 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L186-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; [2024-11-10 23:13:40,825 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L186-13: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; [2024-11-10 23:13:40,825 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L186-15: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; [2024-11-10 23:13:40,825 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L186-17: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; [2024-11-10 23:13:40,825 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L186-19: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; [2024-11-10 23:13:40,825 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L186-21: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; [2024-11-10 23:13:40,825 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L186-23: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; [2024-11-10 23:13:40,825 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L553-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2024-11-10 23:13:40,825 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L553-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2024-11-10 23:13:40,825 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L553-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2024-11-10 23:13:40,826 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L553-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2024-11-10 23:13:40,826 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L553-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2024-11-10 23:13:40,826 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L553-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2024-11-10 23:13:40,826 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L553-13: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2024-11-10 23:13:40,826 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L553-15: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2024-11-10 23:13:40,827 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L553-17: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2024-11-10 23:13:40,827 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L553-19: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2024-11-10 23:13:40,827 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L553-21: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2024-11-10 23:13:40,828 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L553-23: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2024-11-10 23:13:40,828 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L489-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2024-11-10 23:13:40,828 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L489-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2024-11-10 23:13:40,828 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L489-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2024-11-10 23:13:40,828 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L489-7: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2024-11-10 23:13:40,828 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L489-9: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2024-11-10 23:13:40,829 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L489-11: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2024-11-10 23:13:40,829 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L489-13: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2024-11-10 23:13:40,829 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L489-15: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2024-11-10 23:13:40,829 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L489-17: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2024-11-10 23:13:40,829 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L489-19: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2024-11-10 23:13:40,829 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L489-21: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2024-11-10 23:13:40,829 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L489-23: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2024-11-10 23:13:40,830 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L489-25: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2024-11-10 23:13:40,830 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L489-27: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2024-11-10 23:13:40,830 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L489-29: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2024-11-10 23:13:40,830 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L195-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~5#1; [2024-11-10 23:13:40,830 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L195-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~5#1; [2024-11-10 23:13:40,830 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L195-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~5#1; [2024-11-10 23:13:40,831 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L195-7: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~5#1; [2024-11-10 23:13:40,831 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L195-9: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~5#1; [2024-11-10 23:13:40,831 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L195-11: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~5#1; [2024-11-10 23:13:40,831 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L330-1: main_#res#1 := main_~retValue_acc~6#1; [2024-11-10 23:13:40,872 INFO L? ?]: Removed 307 outVars from TransFormulas that were not future-live. [2024-11-10 23:13:40,872 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:13:40,901 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:13:40,901 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:13:40,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:40 BoogieIcfgContainer [2024-11-10 23:13:40,902 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:13:40,903 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:13:40,903 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:13:40,906 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:13:40,907 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:40,907 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:13:39" (1/3) ... [2024-11-10 23:13:40,908 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35abb0ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:13:40, skipping insertion in model container [2024-11-10 23:13:40,908 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:40,908 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:39" (2/3) ... [2024-11-10 23:13:40,908 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35abb0ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:13:40, skipping insertion in model container [2024-11-10 23:13:40,909 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:40,909 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:40" (3/3) ... [2024-11-10 23:13:40,910 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product61.cil.c [2024-11-10 23:13:40,988 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:13:40,988 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:13:40,988 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:13:40,989 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:13:40,989 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:13:40,989 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:13:40,989 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:13:40,989 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:13:40,996 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 321 states, 320 states have (on average 1.35) internal successors, (432), 320 states have internal predecessors, (432), 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) [2024-11-10 23:13:41,031 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 209 [2024-11-10 23:13:41,032 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:41,032 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:41,039 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:41,039 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:41,039 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:13:41,040 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 321 states, 320 states have (on average 1.35) internal successors, (432), 320 states have internal predecessors, (432), 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) [2024-11-10 23:13:41,050 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 209 [2024-11-10 23:13:41,050 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:41,051 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:41,051 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:41,052 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:41,056 INFO L745 eck$LassoCheckResult]: Stem: 303#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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 35#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1, main_~retValue_acc~6#1, main_~tmp~1#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 234#L75true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 310#L68true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 32#L83true assume true;main_#t~ret12#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret12#1;havoc main_#t~ret12#1; 91#L320true assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 62#L296true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 116#L586true [2024-11-10 23:13:41,056 INFO L747 eck$LassoCheckResult]: Loop: 116#L586true assume true; 184#L586-1true assume !false;assume true; 103#L588true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet28#1;test_~tmp~8#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 215#L596true assume !(0 != test_~tmp~8#1); 218#L604true havoc test_#t~nondet29#1;test_~tmp___0~3#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 181#L606true assume !(0 != test_~tmp___0~3#1); 207#L614true havoc test_#t~nondet30#1;test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 289#L616true assume 0 != test_~tmp___2~0#1; 57#L629true assume { :begin_inline_timeShift } true; 67#L343-2true assume !(0 != ~pumpRunning~0); 297#L350-2true assume !(0 != ~systemActive~0); 65#L358-2true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 95#L139-12true assume true;__utac_acc__Specification1_spec__1_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret10#1;havoc __utac_acc__Specification1_spec__1_#t~ret10#1; 315#L217-2true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 5#L231-2true assume true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 269#L360-2true assume true;assume { :end_inline_timeShift } true; 116#L586true [2024-11-10 23:13:41,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:41,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1032918587, now seen corresponding path program 1 times [2024-11-10 23:13:41,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:41,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932313935] [2024-11-10 23:13:41,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:41,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:41,172 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:41,215 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:41,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:41,219 INFO L85 PathProgramCache]: Analyzing trace with hash -305366587, now seen corresponding path program 1 times [2024-11-10 23:13:41,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:41,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391036767] [2024-11-10 23:13:41,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:41,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:41,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:41,231 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:41,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:41,240 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:41,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:41,241 INFO L85 PathProgramCache]: Analyzing trace with hash -923935745, now seen corresponding path program 1 times [2024-11-10 23:13:41,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:41,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881305992] [2024-11-10 23:13:41,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:41,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:41,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:13:41,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:13:41,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:13:41,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881305992] [2024-11-10 23:13:41,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881305992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:13:41,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:13:41,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 23:13:41,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782396857] [2024-11-10 23:13:41,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:13:41,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:13:41,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 23:13:41,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 23:13:41,547 INFO L87 Difference]: Start difference. First operand has 321 states, 320 states have (on average 1.35) internal successors, (432), 320 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:13:41,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:13:41,646 INFO L93 Difference]: Finished difference Result 315 states and 415 transitions. [2024-11-10 23:13:41,647 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 315 states and 415 transitions. [2024-11-10 23:13:41,652 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 203 [2024-11-10 23:13:41,659 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 315 states to 304 states and 404 transitions. [2024-11-10 23:13:41,660 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 304 [2024-11-10 23:13:41,661 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 304 [2024-11-10 23:13:41,662 INFO L73 IsDeterministic]: Start isDeterministic. Operand 304 states and 404 transitions. [2024-11-10 23:13:41,664 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:13:41,664 INFO L218 hiAutomatonCegarLoop]: Abstraction has 304 states and 404 transitions. [2024-11-10 23:13:41,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states and 404 transitions. [2024-11-10 23:13:41,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2024-11-10 23:13:41,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 304 states have (on average 1.3289473684210527) internal successors, (404), 303 states have internal predecessors, (404), 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) [2024-11-10 23:13:41,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 404 transitions. [2024-11-10 23:13:41,713 INFO L240 hiAutomatonCegarLoop]: Abstraction has 304 states and 404 transitions. [2024-11-10 23:13:41,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 23:13:41,718 INFO L425 stractBuchiCegarLoop]: Abstraction has 304 states and 404 transitions. [2024-11-10 23:13:41,720 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:13:41,721 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 304 states and 404 transitions. [2024-11-10 23:13:41,723 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 203 [2024-11-10 23:13:41,725 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:41,725 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:41,726 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:41,726 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] [2024-11-10 23:13:41,726 INFO L745 eck$LassoCheckResult]: Stem: 956#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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 720#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1, main_~retValue_acc~6#1, main_~tmp~1#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 721#L75 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 939#L68 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 716#L83 assume true;main_#t~ret12#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret12#1;havoc main_#t~ret12#1; 717#L320 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 770#L296 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 771#L586 [2024-11-10 23:13:41,727 INFO L747 eck$LassoCheckResult]: Loop: 771#L586 assume true; 847#L586-1 assume !false;assume true; 829#L588 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet28#1;test_~tmp~8#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 830#L596 assume !(0 != test_~tmp~8#1); 932#L604 havoc test_#t~nondet29#1;test_~tmp___0~3#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 909#L606 assume !(0 != test_~tmp___0~3#1); 747#L614 havoc test_#t~nondet30#1;test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 926#L616 assume 0 != test_~tmp___2~0#1; 759#L629 assume { :begin_inline_timeShift } true; 760#L343-2 assume !(0 != ~pumpRunning~0); 779#L350-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret15#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 786#L427-2 assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret17#1, isMethaneAlarm_~retValue_acc~7#1;havoc isMethaneAlarm_~retValue_acc~7#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 787#L139-15 assume true;isMethaneAlarm_#t~ret17#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~7#1 := isMethaneAlarm_#t~ret17#1;havoc isMethaneAlarm_#t~ret17#1;isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; 701#L488-12 assume true;processEnvironment_#t~ret15#1 := isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret17#1, isMethaneAlarm_~retValue_acc~7#1;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~4#1 := processEnvironment_#t~ret15#1;havoc processEnvironment_#t~ret15#1; 702#L431-2 assume 0 != processEnvironment_~tmp~4#1;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; 941#L478-6 assume true;assume { :end_inline_deactivatePump } true; 782#L445-2 assume true;havoc processEnvironment_#t~ret15#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true; 774#L358-2 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 775#L139-12 assume true;__utac_acc__Specification1_spec__1_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret10#1;havoc __utac_acc__Specification1_spec__1_#t~ret10#1; 822#L217-2 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 664#L231-2 assume true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 665#L360-2 assume true;assume { :end_inline_timeShift } true; 771#L586 [2024-11-10 23:13:41,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:41,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1032918587, now seen corresponding path program 2 times [2024-11-10 23:13:41,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:41,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71551847] [2024-11-10 23:13:41,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:41,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:41,746 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:41,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:41,764 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:41,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:41,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1890212365, now seen corresponding path program 1 times [2024-11-10 23:13:41,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:41,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792165119] [2024-11-10 23:13:41,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:41,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:13:41,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:13:41,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:13:41,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792165119] [2024-11-10 23:13:41,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792165119] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:13:41,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:13:41,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 23:13:41,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717229792] [2024-11-10 23:13:41,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:13:41,810 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:13:41,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:13:41,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:13:41,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:13:41,812 INFO L87 Difference]: Start difference. First operand 304 states and 404 transitions. cyclomatic complexity: 102 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2024-11-10 23:13:41,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:13:41,924 INFO L93 Difference]: Finished difference Result 310 states and 390 transitions. [2024-11-10 23:13:41,924 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 310 states and 390 transitions. [2024-11-10 23:13:41,928 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 212 [2024-11-10 23:13:41,932 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 310 states to 310 states and 390 transitions. [2024-11-10 23:13:41,932 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 310 [2024-11-10 23:13:41,933 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 310 [2024-11-10 23:13:41,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 310 states and 390 transitions. [2024-11-10 23:13:41,935 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:13:41,935 INFO L218 hiAutomatonCegarLoop]: Abstraction has 310 states and 390 transitions. [2024-11-10 23:13:41,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states and 390 transitions. [2024-11-10 23:13:41,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2024-11-10 23:13:41,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 310 states have (on average 1.2580645161290323) internal successors, (390), 309 states have internal predecessors, (390), 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) [2024-11-10 23:13:41,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 390 transitions. [2024-11-10 23:13:41,956 INFO L240 hiAutomatonCegarLoop]: Abstraction has 310 states and 390 transitions. [2024-11-10 23:13:41,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:13:41,957 INFO L425 stractBuchiCegarLoop]: Abstraction has 310 states and 390 transitions. [2024-11-10 23:13:41,958 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-10 23:13:41,958 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 310 states and 390 transitions. [2024-11-10 23:13:41,960 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 212 [2024-11-10 23:13:41,960 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:41,960 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:41,962 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:41,962 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:41,963 INFO L745 eck$LassoCheckResult]: Stem: 1521#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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 1327#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1, main_~retValue_acc~6#1, main_~tmp~1#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 1328#L75 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1500#L68 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 1322#L83 assume true;main_#t~ret12#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret12#1;havoc main_#t~ret12#1; 1323#L320 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 1367#L296 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1368#L586 [2024-11-10 23:13:41,964 INFO L747 eck$LassoCheckResult]: Loop: 1368#L586 assume true; 1428#L586-1 assume !false;assume true; 1416#L588 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet28#1;test_~tmp~8#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 1417#L596 assume !(0 != test_~tmp~8#1); 1496#L604 havoc test_#t~nondet29#1;test_~tmp___0~3#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 1475#L606 assume !(0 != test_~tmp___0~3#1); 1349#L614 havoc test_#t~nondet30#1;test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 1488#L616 assume 0 != test_~tmp___2~0#1; 1358#L629 assume { :begin_inline_timeShift } true; 1359#L343-2 assume !(0 != ~pumpRunning~0); 1376#L350-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret15#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 1381#L427-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret14#1, processEnvironment__wrappee__methaneQuery_~tmp~3#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~3#1; 1382#L401-5 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2#1; 1482#L375-11 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret26#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~9#1;havoc isHighWaterLevel_~tmp~6#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~4#1;havoc isHighWaterSensorDry_~retValue_acc~4#1; 1445#L179-11 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~4#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; 1446#L184-11 assume true;isHighWaterLevel_#t~ret26#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~4#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~6#1 := isHighWaterLevel_#t~ret26#1;havoc isHighWaterLevel_#t~ret26#1; 1519#L546-11 assume 0 != isHighWaterLevel_~tmp~6#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1497#L551-11 isHighWaterLevel_~retValue_acc~9#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; 1305#L552-11 assume true;processEnvironment__wrappee__highWaterSensor_#t~ret13#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret26#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~2#1 := processEnvironment__wrappee__highWaterSensor_#t~ret13#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1; 1306#L379-11 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1431#L367-22 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 1427#L393-11 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1378#L419-5 assume true;havoc processEnvironment__wrappee__methaneQuery_#t~ret14#1, processEnvironment__wrappee__methaneQuery_~tmp~3#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1379#L445-2 assume true;havoc processEnvironment_#t~ret15#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true; 1371#L358-2 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 1372#L139-12 assume true;__utac_acc__Specification1_spec__1_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret10#1;havoc __utac_acc__Specification1_spec__1_#t~ret10#1; 1410#L217-2 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 1277#L231-2 assume true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 1278#L360-2 assume true;assume { :end_inline_timeShift } true; 1368#L586 [2024-11-10 23:13:41,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:41,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1032918587, now seen corresponding path program 3 times [2024-11-10 23:13:41,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:41,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445439601] [2024-11-10 23:13:41,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:41,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:41,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:41,974 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:41,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:41,980 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:41,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:41,981 INFO L85 PathProgramCache]: Analyzing trace with hash -816565327, now seen corresponding path program 1 times [2024-11-10 23:13:41,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:41,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442841782] [2024-11-10 23:13:41,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:41,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:41,989 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:42,018 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:42,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:42,019 INFO L85 PathProgramCache]: Analyzing trace with hash -448675913, now seen corresponding path program 1 times [2024-11-10 23:13:42,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:42,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41551782] [2024-11-10 23:13:42,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:42,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:42,046 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:42,070 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:42,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:42,945 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:42,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:43,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:13:43 BoogieIcfgContainer [2024-11-10 23:13:43,008 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:13:43,009 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:13:43,009 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:13:43,009 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:13:43,010 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:40" (3/4) ... [2024-11-10 23:13:43,011 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 23:13:43,074 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 23:13:43,077 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:13:43,078 INFO L158 Benchmark]: Toolchain (without parser) took 4064.94ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 85.0MB in the beginning and 163.9MB in the end (delta: -78.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:13:43,078 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory was 111.0MB in the beginning and 110.9MB in the end (delta: 122.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:13:43,078 INFO L158 Benchmark]: CACSL2BoogieTranslator took 563.65ms. Allocated memory is still 155.2MB. Free memory was 84.8MB in the beginning and 115.4MB in the end (delta: -30.5MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2024-11-10 23:13:43,079 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.29ms. Allocated memory is still 155.2MB. Free memory was 115.4MB in the beginning and 110.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 23:13:43,079 INFO L158 Benchmark]: Boogie Preprocessor took 70.38ms. Allocated memory is still 155.2MB. Free memory was 110.0MB in the beginning and 105.3MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:13:43,079 INFO L158 Benchmark]: IcfgBuilder took 1178.49ms. Allocated memory is still 155.2MB. Free memory was 105.3MB in the beginning and 47.1MB in the end (delta: 58.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-10 23:13:43,079 INFO L158 Benchmark]: BuchiAutomizer took 2105.52ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 47.1MB in the beginning and 166.0MB in the end (delta: -118.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:13:43,079 INFO L158 Benchmark]: Witness Printer took 68.45ms. Allocated memory is still 224.4MB. Free memory was 166.0MB in the beginning and 163.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:13:43,081 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory was 111.0MB in the beginning and 110.9MB in the end (delta: 122.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 563.65ms. Allocated memory is still 155.2MB. Free memory was 84.8MB in the beginning and 115.4MB in the end (delta: -30.5MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.29ms. Allocated memory is still 155.2MB. Free memory was 115.4MB in the beginning and 110.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.38ms. Allocated memory is still 155.2MB. Free memory was 110.0MB in the beginning and 105.3MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 1178.49ms. Allocated memory is still 155.2MB. Free memory was 105.3MB in the beginning and 47.1MB in the end (delta: 58.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 2105.52ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 47.1MB in the beginning and 166.0MB in the end (delta: -118.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 68.45ms. Allocated memory is still 224.4MB. Free memory was 166.0MB in the beginning and 163.9MB 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] - GenericResultAtLocation [Line: 198]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [198] - GenericResultAtLocation [Line: 207]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [207] - GenericResultAtLocation [Line: 234]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [234] - GenericResultAtLocation [Line: 333]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [333] - GenericResultAtLocation [Line: 575]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [575] - GenericResultAtLocation [Line: 640]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [640] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 310 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 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, 1035 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1035 mSDsluCounter, 1639 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 939 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 700 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 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: 586]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L96] int waterLevel = 1; [L97] int methaneLevelCritical = 0; [L235] int cleanupTimeShifts = 4; [L336] int pumpRunning = 0; [L337] int systemActive = 1; [L810] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L311] int retValue_acc ; [L312] int tmp ; [L316] FCALL select_helpers() [L317] FCALL select_features() [L318] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L318] RET, EXPR valid_product() [L318] tmp = valid_product() [L320] COND TRUE \read(tmp) [L322] FCALL setup() [L323] CALL runTest() [L305] CALL test() [L577] int splverifierCounter ; [L578] int tmp ; [L579] int tmp___0 ; [L580] int tmp___1 ; [L581] int tmp___2 ; [L584] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L586] COND TRUE 1 [L588] COND TRUE splverifierCounter < 4 [L594] tmp = __VERIFIER_nondet_int() [L596] COND FALSE !(\read(tmp)) [L604] tmp___0 = __VERIFIER_nondet_int() [L606] COND FALSE !(\read(tmp___0)) [L614] tmp___2 = __VERIFIER_nondet_int() [L616] COND TRUE \read(tmp___2) [L629] CALL timeShift() [L343] COND FALSE !(\read(pumpRunning)) [L350] COND TRUE \read(systemActive) [L352] CALL processEnvironment() [L424] int tmp ; [L427] COND FALSE !(\read(pumpRunning)) [L442] CALL processEnvironment__wrappee__methaneQuery() [L398] int tmp ; [L401] COND FALSE !(\read(pumpRunning)) [L416] CALL processEnvironment__wrappee__highWaterSensor() [L372] int tmp ; [L375] COND TRUE ! pumpRunning [L377] CALL, EXPR isHighWaterLevel() [L538] int retValue_acc ; [L539] int tmp ; [L540] int tmp___0 ; [L544] CALL, EXPR isHighWaterSensorDry() [L176] int retValue_acc ; [L179] COND TRUE waterLevel < 2 [L180] retValue_acc = 1 [L181] return (retValue_acc); [L544] RET, EXPR isHighWaterSensorDry() [L544] tmp = isHighWaterSensorDry() [L546] COND TRUE \read(tmp) [L547] tmp___0 = 0 [L551] retValue_acc = tmp___0 [L552] return (retValue_acc); [L377] RET, EXPR isHighWaterLevel() [L377] tmp = isHighWaterLevel() [L379] COND FALSE !(\read(tmp)) [L385] FCALL processEnvironment__wrappee__base() [L416] RET processEnvironment__wrappee__highWaterSensor() [L442] RET processEnvironment__wrappee__methaneQuery() [L352] RET processEnvironment() [L358] CALL __utac_acc__Specification1_spec__1() [L210] int tmp ; [L211] int tmp___0 ; [L215] CALL, EXPR isMethaneLevelCritical() [L135] int retValue_acc ; [L138] retValue_acc = methaneLevelCritical [L139] return (retValue_acc); [L215] RET, EXPR isMethaneLevelCritical() [L215] tmp = isMethaneLevelCritical() [L217] COND FALSE !(\read(tmp)) [L358] RET __utac_acc__Specification1_spec__1() [L629] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 586]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L96] int waterLevel = 1; [L97] int methaneLevelCritical = 0; [L235] int cleanupTimeShifts = 4; [L336] int pumpRunning = 0; [L337] int systemActive = 1; [L810] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L311] int retValue_acc ; [L312] int tmp ; [L316] FCALL select_helpers() [L317] FCALL select_features() [L318] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L318] RET, EXPR valid_product() [L318] tmp = valid_product() [L320] COND TRUE \read(tmp) [L322] FCALL setup() [L323] CALL runTest() [L305] CALL test() [L577] int splverifierCounter ; [L578] int tmp ; [L579] int tmp___0 ; [L580] int tmp___1 ; [L581] int tmp___2 ; [L584] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L586] COND TRUE 1 [L588] COND TRUE splverifierCounter < 4 [L594] tmp = __VERIFIER_nondet_int() [L596] COND FALSE !(\read(tmp)) [L604] tmp___0 = __VERIFIER_nondet_int() [L606] COND FALSE !(\read(tmp___0)) [L614] tmp___2 = __VERIFIER_nondet_int() [L616] COND TRUE \read(tmp___2) [L629] CALL timeShift() [L343] COND FALSE !(\read(pumpRunning)) [L350] COND TRUE \read(systemActive) [L352] CALL processEnvironment() [L424] int tmp ; [L427] COND FALSE !(\read(pumpRunning)) [L442] CALL processEnvironment__wrappee__methaneQuery() [L398] int tmp ; [L401] COND FALSE !(\read(pumpRunning)) [L416] CALL processEnvironment__wrappee__highWaterSensor() [L372] int tmp ; [L375] COND TRUE ! pumpRunning [L377] CALL, EXPR isHighWaterLevel() [L538] int retValue_acc ; [L539] int tmp ; [L540] int tmp___0 ; [L544] CALL, EXPR isHighWaterSensorDry() [L176] int retValue_acc ; [L179] COND TRUE waterLevel < 2 [L180] retValue_acc = 1 [L181] return (retValue_acc); [L544] RET, EXPR isHighWaterSensorDry() [L544] tmp = isHighWaterSensorDry() [L546] COND TRUE \read(tmp) [L547] tmp___0 = 0 [L551] retValue_acc = tmp___0 [L552] return (retValue_acc); [L377] RET, EXPR isHighWaterLevel() [L377] tmp = isHighWaterLevel() [L379] COND FALSE !(\read(tmp)) [L385] FCALL processEnvironment__wrappee__base() [L416] RET processEnvironment__wrappee__highWaterSensor() [L442] RET processEnvironment__wrappee__methaneQuery() [L352] RET processEnvironment() [L358] CALL __utac_acc__Specification1_spec__1() [L210] int tmp ; [L211] int tmp___0 ; [L215] CALL, EXPR isMethaneLevelCritical() [L135] int retValue_acc ; [L138] retValue_acc = methaneLevelCritical [L139] return (retValue_acc); [L215] RET, EXPR isMethaneLevelCritical() [L215] tmp = isMethaneLevelCritical() [L217] COND FALSE !(\read(tmp)) [L358] RET __utac_acc__Specification1_spec__1() [L629] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-10 23:13:43,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)