./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product02.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_spec5_product02.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 dc16baed9582dc03b8c04a72a2e3374c4a73ebd0268e0a32bbf7f86bd3b5da48 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:15:48,482 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:15:48,536 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:15:48,542 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:15:48,543 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:15:48,544 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:15:48,562 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:15:48,563 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:15:48,564 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:15:48,565 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:15:48,565 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:15:48,566 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:15:48,566 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:15:48,567 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:15:48,568 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:15:48,568 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:15:48,568 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:15:48,569 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:15:48,569 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:15:48,569 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:15:48,569 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:15:48,572 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:15:48,572 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:15:48,572 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:15:48,572 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:15:48,573 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:15:48,573 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:15:48,573 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:15:48,573 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:15:48,573 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:15:48,573 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:15:48,573 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:15:48,574 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:15:48,574 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:15:48,574 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:15:48,574 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:15:48,574 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:15:48,574 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:15:48,575 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:15:48,575 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:15:48,576 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc16baed9582dc03b8c04a72a2e3374c4a73ebd0268e0a32bbf7f86bd3b5da48 [2024-11-10 23:15:48,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:15:48,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:15:48,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:15:48,834 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:15:48,834 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:15:48,836 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product02.cil.c [2024-11-10 23:15:50,376 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:15:50,680 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:15:50,680 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product02.cil.c [2024-11-10 23:15:50,690 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1202581b5/87e93c7e8aaa4cf0b40af62f55c0df22/FLAGc86454460 [2024-11-10 23:15:50,970 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1202581b5/87e93c7e8aaa4cf0b40af62f55c0df22 [2024-11-10 23:15:50,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:15:50,975 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:15:50,979 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:15:50,979 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:15:50,983 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:15:50,983 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:15:50" (1/1) ... [2024-11-10 23:15:50,984 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75f2dfc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:50, skipping insertion in model container [2024-11-10 23:15:50,984 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:15:50" (1/1) ... [2024-11-10 23:15:51,044 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:15:51,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:15:51,522 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:15:51,529 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-10 23:15:51,530 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] [2024-11-10 23:15:51,530 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [501] [2024-11-10 23:15:51,530 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [627] [2024-11-10 23:15:51,531 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [695] [2024-11-10 23:15:51,531 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [704] [2024-11-10 23:15:51,531 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [753] [2024-11-10 23:15:51,531 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [791] [2024-11-10 23:15:51,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:15:51,642 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:15:51,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:51 WrapperNode [2024-11-10 23:15:51,643 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:15:51,644 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:15:51,644 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:15:51,644 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:15:51,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:51" (1/1) ... [2024-11-10 23:15:51,672 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:51" (1/1) ... [2024-11-10 23:15:51,704 INFO L138 Inliner]: procedures = 52, calls = 93, calls flagged for inlining = 46, calls inlined = 43, statements flattened = 269 [2024-11-10 23:15:51,705 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:15:51,706 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:15:51,706 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:15:51,706 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:15:51,718 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:51" (1/1) ... [2024-11-10 23:15:51,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:51" (1/1) ... [2024-11-10 23:15:51,723 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:51" (1/1) ... [2024-11-10 23:15:51,749 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 23:15:51,750 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:51" (1/1) ... [2024-11-10 23:15:51,750 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:51" (1/1) ... [2024-11-10 23:15:51,756 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:51" (1/1) ... [2024-11-10 23:15:51,757 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:51" (1/1) ... [2024-11-10 23:15:51,760 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:51" (1/1) ... [2024-11-10 23:15:51,761 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:51" (1/1) ... [2024-11-10 23:15:51,762 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:15:51,766 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:15:51,766 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:15:51,766 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:15:51,766 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:51" (1/1) ... [2024-11-10 23:15:51,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:15:51,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:15:51,799 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 23:15:51,802 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 23:15:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:15:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:15:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:15:51,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:15:51,900 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:15:51,902 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:15:52,128 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L580-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; [2024-11-10 23:15:52,129 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L580-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; [2024-11-10 23:15:52,129 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L580-7: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; [2024-11-10 23:15:52,129 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L580-9: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; [2024-11-10 23:15:52,129 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L580-11: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; [2024-11-10 23:15:52,129 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L498-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; [2024-11-10 23:15:52,130 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L498-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; [2024-11-10 23:15:52,130 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L498-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; [2024-11-10 23:15:52,130 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L788-1: valid_product_#res#1 := valid_product_~retValue_acc~8#1; [2024-11-10 23:15:52,130 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L885-1: main_#res#1 := main_~retValue_acc~9#1; [2024-11-10 23:15:52,130 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L580-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; [2024-11-10 23:15:52,142 INFO L? ?]: Removed 49 outVars from TransFormulas that were not future-live. [2024-11-10 23:15:52,142 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:15:52,152 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:15:52,152 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:15:52,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:15:52 BoogieIcfgContainer [2024-11-10 23:15:52,153 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:15:52,153 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:15:52,154 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:15:52,156 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:15:52,157 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:15:52,157 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:15:50" (1/3) ... [2024-11-10 23:15:52,158 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77d03123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:15:52, skipping insertion in model container [2024-11-10 23:15:52,158 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:15:52,158 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:51" (2/3) ... [2024-11-10 23:15:52,158 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77d03123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:15:52, skipping insertion in model container [2024-11-10 23:15:52,158 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:15:52,159 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:15:52" (3/3) ... [2024-11-10 23:15:52,159 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product02.cil.c [2024-11-10 23:15:52,199 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:15:52,199 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:15:52,199 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:15:52,199 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:15:52,199 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:15:52,199 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:15:52,201 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:15:52,201 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:15:52,204 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 89 states, 88 states have (on average 1.3522727272727273) internal successors, (119), 88 states have internal predecessors, (119), 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 23:15:52,219 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 54 [2024-11-10 23:15:52,219 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:52,219 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:52,223 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:52,223 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:52,224 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:15:52,225 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 89 states, 88 states have (on average 1.3522727272727273) internal successors, (119), 88 states have internal predecessors, (119), 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 23:15:52,229 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 54 [2024-11-10 23:15:52,229 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:52,229 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:52,230 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:52,230 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:52,234 INFO L745 eck$LassoCheckResult]: Stem: 74#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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 40#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~5#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 11#L779true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 6#L772true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 75#L787true assume true;main_#t~ret49#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 19#L875true assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 20#L851true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 62#L711true assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 50#L639true [2024-11-10 23:15:52,234 INFO L747 eck$LassoCheckResult]: Loop: 50#L639true assume true; 70#L639-1true assume !false;assume true; 63#L641true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet41#1;test_~tmp~3#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 82#L649true assume !(0 != test_~tmp~3#1); 87#L657true havoc test_#t~nondet42#1;test_~tmp___0~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 38#L659true assume !(0 != test_~tmp___0~0#1); 56#L667true havoc test_#t~nondet43#1;test_~tmp___2~0#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 65#L669true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 60#L624true assume true;assume { :end_inline_startSystem } true; 7#L684true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret45#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~6#1;havoc isPumpRunning_~retValue_acc~6#1;isPumpRunning_~retValue_acc~6#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; 51#L579-5true assume true;__utac_acc__Specification5_spec__2_#t~ret45#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~6#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret45#1;havoc __utac_acc__Specification5_spec__2_#t~ret45#1; 12#L721-2true assume true;havoc __utac_acc__Specification5_spec__2_#t~ret45#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 14#L520-2true assume !(0 != ~pumpRunning~0); 67#L527-2true assume !(0 != ~systemActive~0); 80#L535-2true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret46#1, __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 42#L497-2true assume true;__utac_acc__Specification5_spec__3_#t~ret46#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret46#1;havoc __utac_acc__Specification5_spec__3_#t~ret46#1; 61#L732-2true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4#1); 72#L750-2true assume true;havoc __utac_acc__Specification5_spec__3_#t~ret46#1, __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 43#L537-2true assume true;assume { :end_inline_timeShift } true; 50#L639true [2024-11-10 23:15:52,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:52,239 INFO L85 PathProgramCache]: Analyzing trace with hash -941223910, now seen corresponding path program 1 times [2024-11-10 23:15:52,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:52,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909690903] [2024-11-10 23:15:52,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:52,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:52,321 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:52,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:52,360 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:52,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:52,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1355596876, now seen corresponding path program 1 times [2024-11-10 23:15:52,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:52,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376704468] [2024-11-10 23:15:52,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:52,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:52,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:15:52,452 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 23:15:52,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:15:52,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376704468] [2024-11-10 23:15:52,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376704468] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:15:52,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:15:52,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 23:15:52,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085684346] [2024-11-10 23:15:52,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:15:52,462 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:15:52,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:15:52,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:15:52,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:15:52,503 INFO L87 Difference]: Start difference. First operand has 89 states, 88 states have (on average 1.3522727272727273) internal successors, (119), 88 states have internal predecessors, (119), 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 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 23:15:52,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:15:52,531 INFO L93 Difference]: Finished difference Result 83 states and 103 transitions. [2024-11-10 23:15:52,532 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 83 states and 103 transitions. [2024-11-10 23:15:52,536 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 48 [2024-11-10 23:15:52,540 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 83 states to 72 states and 91 transitions. [2024-11-10 23:15:52,542 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 72 [2024-11-10 23:15:52,542 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 72 [2024-11-10 23:15:52,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 72 states and 91 transitions. [2024-11-10 23:15:52,543 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:15:52,543 INFO L218 hiAutomatonCegarLoop]: Abstraction has 72 states and 91 transitions. [2024-11-10 23:15:52,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states and 91 transitions. [2024-11-10 23:15:52,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-10 23:15:52,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 72 states have (on average 1.2638888888888888) internal successors, (91), 71 states have internal predecessors, (91), 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 23:15:52,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 91 transitions. [2024-11-10 23:15:52,585 INFO L240 hiAutomatonCegarLoop]: Abstraction has 72 states and 91 transitions. [2024-11-10 23:15:52,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:15:52,588 INFO L425 stractBuchiCegarLoop]: Abstraction has 72 states and 91 transitions. [2024-11-10 23:15:52,588 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:15:52,589 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states and 91 transitions. [2024-11-10 23:15:52,592 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 48 [2024-11-10 23:15:52,594 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:52,595 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:52,595 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:52,595 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] [2024-11-10 23:15:52,595 INFO L745 eck$LassoCheckResult]: Stem: 251#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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 226#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~5#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 197#L779 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 187#L772 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 188#L787 assume true;main_#t~ret49#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 204#L875 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 205#L851 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 206#L711 assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 232#L639 [2024-11-10 23:15:52,595 INFO L747 eck$LassoCheckResult]: Loop: 232#L639 assume true; 239#L639-1 assume !false;assume true; 246#L641 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet41#1;test_~tmp~3#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 247#L649 assume !(0 != test_~tmp~3#1); 243#L657 havoc test_#t~nondet42#1;test_~tmp___0~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 225#L659 assume !(0 != test_~tmp___0~0#1); 212#L667 havoc test_#t~nondet43#1;test_~tmp___2~0#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 242#L669 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 245#L624 assume true;assume { :end_inline_startSystem } true; 185#L684 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret45#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~6#1;havoc isPumpRunning_~retValue_acc~6#1;isPumpRunning_~retValue_acc~6#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; 186#L579-5 assume true;__utac_acc__Specification5_spec__2_#t~ret45#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~6#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret45#1;havoc __utac_acc__Specification5_spec__2_#t~ret45#1; 195#L721-2 assume true;havoc __utac_acc__Specification5_spec__2_#t~ret45#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 196#L520-2 assume !(0 != ~pumpRunning~0); 200#L527-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 183#L544-2 assume true;assume { :end_inline_processEnvironment } true; 184#L535-2 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret46#1, __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 229#L497-2 assume true;__utac_acc__Specification5_spec__3_#t~ret46#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret46#1;havoc __utac_acc__Specification5_spec__3_#t~ret46#1; 230#L732-2 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4#1); 228#L750-2 assume true;havoc __utac_acc__Specification5_spec__3_#t~ret46#1, __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 231#L537-2 assume true;assume { :end_inline_timeShift } true; 232#L639 [2024-11-10 23:15:52,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:52,596 INFO L85 PathProgramCache]: Analyzing trace with hash -941223910, now seen corresponding path program 2 times [2024-11-10 23:15:52,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:52,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377373077] [2024-11-10 23:15:52,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:52,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:52,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:52,642 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:52,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:52,659 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:52,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:52,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1781305880, now seen corresponding path program 1 times [2024-11-10 23:15:52,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:52,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199776009] [2024-11-10 23:15:52,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:52,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:52,672 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:52,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:52,681 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:52,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:52,683 INFO L85 PathProgramCache]: Analyzing trace with hash 956397441, now seen corresponding path program 1 times [2024-11-10 23:15:52,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:52,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900812053] [2024-11-10 23:15:52,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:52,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:52,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:15:52,849 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 23:15:52,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:15:52,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900812053] [2024-11-10 23:15:52,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900812053] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:15:52,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:15:52,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 23:15:52,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308464655] [2024-11-10 23:15:52,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:15:52,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:15:52,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 23:15:52,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 23:15:52,959 INFO L87 Difference]: Start difference. First operand 72 states and 91 transitions. cyclomatic complexity: 21 Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 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 23:15:53,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:15:53,037 INFO L93 Difference]: Finished difference Result 132 states and 163 transitions. [2024-11-10 23:15:53,037 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 132 states and 163 transitions. [2024-11-10 23:15:53,039 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 90 [2024-11-10 23:15:53,040 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 132 states to 132 states and 163 transitions. [2024-11-10 23:15:53,040 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 132 [2024-11-10 23:15:53,040 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 132 [2024-11-10 23:15:53,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 132 states and 163 transitions. [2024-11-10 23:15:53,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:15:53,041 INFO L218 hiAutomatonCegarLoop]: Abstraction has 132 states and 163 transitions. [2024-11-10 23:15:53,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states and 163 transitions. [2024-11-10 23:15:53,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2024-11-10 23:15:53,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 132 states have (on average 1.2348484848484849) internal successors, (163), 131 states have internal predecessors, (163), 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 23:15:53,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 163 transitions. [2024-11-10 23:15:53,046 INFO L240 hiAutomatonCegarLoop]: Abstraction has 132 states and 163 transitions. [2024-11-10 23:15:53,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 23:15:53,047 INFO L425 stractBuchiCegarLoop]: Abstraction has 132 states and 163 transitions. [2024-11-10 23:15:53,047 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-10 23:15:53,048 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 132 states and 163 transitions. [2024-11-10 23:15:53,049 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 90 [2024-11-10 23:15:53,049 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:53,049 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:53,049 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:53,049 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 23:15:53,050 INFO L745 eck$LassoCheckResult]: Stem: 471#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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 445#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~5#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 413#L779 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 403#L772 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 404#L787 assume true;main_#t~ret49#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 422#L875 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 423#L851 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 424#L711 assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 451#L639 [2024-11-10 23:15:53,050 INFO L747 eck$LassoCheckResult]: Loop: 451#L639 assume true; 458#L639-1 assume !false;assume true; 465#L641 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet41#1;test_~tmp~3#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 466#L649 assume !(0 != test_~tmp~3#1); 474#L657 havoc test_#t~nondet42#1;test_~tmp___0~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 444#L659 assume !(0 != test_~tmp___0~0#1); 430#L667 havoc test_#t~nondet43#1;test_~tmp___2~0#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 461#L669 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 464#L624 assume true;assume { :end_inline_startSystem } true; 405#L684 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret45#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~6#1;havoc isPumpRunning_~retValue_acc~6#1;isPumpRunning_~retValue_acc~6#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; 406#L579-5 assume true;__utac_acc__Specification5_spec__2_#t~ret45#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~6#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret45#1;havoc __utac_acc__Specification5_spec__2_#t~ret45#1; 414#L721-2 assume true;havoc __utac_acc__Specification5_spec__2_#t~ret45#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 415#L520-2 assume !(0 != ~pumpRunning~0); 418#L527-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 401#L544-2 assume true;assume { :end_inline_processEnvironment } true; 402#L535-2 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret46#1, __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 448#L497-2 assume true;__utac_acc__Specification5_spec__3_#t~ret46#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret46#1;havoc __utac_acc__Specification5_spec__3_#t~ret46#1; 449#L732-2 assume 2 != __utac_acc__Specification5_spec__3_~tmp~4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~6#1;havoc isPumpRunning_~retValue_acc~6#1;isPumpRunning_~retValue_acc~6#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; 437#L579-4 assume true;__utac_acc__Specification5_spec__3_#t~ret47#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~6#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~1#1 := __utac_acc__Specification5_spec__3_#t~ret47#1;havoc __utac_acc__Specification5_spec__3_#t~ret47#1; 438#L736-2 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1#1); 447#L750-2 assume true;havoc __utac_acc__Specification5_spec__3_#t~ret46#1, __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 450#L537-2 assume true;assume { :end_inline_timeShift } true; 451#L639 [2024-11-10 23:15:53,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:53,051 INFO L85 PathProgramCache]: Analyzing trace with hash -941223910, now seen corresponding path program 3 times [2024-11-10 23:15:53,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:53,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609199022] [2024-11-10 23:15:53,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:53,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:53,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:53,059 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:53,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:53,064 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:53,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:53,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1856388710, now seen corresponding path program 1 times [2024-11-10 23:15:53,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:53,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440854198] [2024-11-10 23:15:53,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:53,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:53,070 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:53,074 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:53,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:53,075 INFO L85 PathProgramCache]: Analyzing trace with hash -25672257, now seen corresponding path program 1 times [2024-11-10 23:15:53,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:53,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180135638] [2024-11-10 23:15:53,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:53,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:53,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:53,083 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:53,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:53,091 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:53,779 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:53,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:15:53 BoogieIcfgContainer [2024-11-10 23:15:53,845 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:15:53,845 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:15:53,845 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:15:53,846 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:15:53,846 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:15:52" (3/4) ... [2024-11-10 23:15:53,847 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 23:15:53,898 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 23:15:53,899 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:15:53,900 INFO L158 Benchmark]: Toolchain (without parser) took 2924.68ms. Allocated memory was 176.2MB in the beginning and 281.0MB in the end (delta: 104.9MB). Free memory was 102.6MB in the beginning and 242.6MB in the end (delta: -140.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:15:53,900 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 176.2MB. Free memory is still 129.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:15:53,900 INFO L158 Benchmark]: CACSL2BoogieTranslator took 664.15ms. Allocated memory is still 176.2MB. Free memory was 102.4MB in the beginning and 143.3MB in the end (delta: -40.9MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2024-11-10 23:15:53,901 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.50ms. Allocated memory is still 176.2MB. Free memory was 143.3MB in the beginning and 140.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:15:53,901 INFO L158 Benchmark]: Boogie Preprocessor took 59.61ms. Allocated memory is still 176.2MB. Free memory was 140.1MB in the beginning and 138.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:15:53,901 INFO L158 Benchmark]: IcfgBuilder took 387.08ms. Allocated memory is still 176.2MB. Free memory was 138.1MB in the beginning and 119.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-10 23:15:53,902 INFO L158 Benchmark]: BuchiAutomizer took 1691.48ms. Allocated memory was 176.2MB in the beginning and 281.0MB in the end (delta: 104.9MB). Free memory was 118.1MB in the beginning and 244.7MB in the end (delta: -126.5MB). Peak memory consumption was 140.9MB. Max. memory is 16.1GB. [2024-11-10 23:15:53,904 INFO L158 Benchmark]: Witness Printer took 54.27ms. Allocated memory is still 281.0MB. Free memory was 244.7MB in the beginning and 242.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:15:53,905 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 176.2MB. Free memory is still 129.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 664.15ms. Allocated memory is still 176.2MB. Free memory was 102.4MB in the beginning and 143.3MB in the end (delta: -40.9MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.50ms. Allocated memory is still 176.2MB. Free memory was 143.3MB in the beginning and 140.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.61ms. Allocated memory is still 176.2MB. Free memory was 140.1MB in the beginning and 138.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 387.08ms. Allocated memory is still 176.2MB. Free memory was 138.1MB in the beginning and 119.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 1691.48ms. Allocated memory was 176.2MB in the beginning and 281.0MB in the end (delta: 104.9MB). Free memory was 118.1MB in the beginning and 244.7MB in the end (delta: -126.5MB). Peak memory consumption was 140.9MB. Max. memory is 16.1GB. * Witness Printer took 54.27ms. Allocated memory is still 281.0MB. Free memory was 244.7MB in the beginning and 242.6MB 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] - GenericResultAtLocation [Line: 501]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [501] - GenericResultAtLocation [Line: 627]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [627] - GenericResultAtLocation [Line: 695]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [695] - GenericResultAtLocation [Line: 704]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [704] - GenericResultAtLocation [Line: 753]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [753] - GenericResultAtLocation [Line: 791]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [791] * 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 5 locations. The remainder module has 132 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s 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, 149 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 149 mSDsluCounter, 461 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 260 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 66 IncrementalHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 201 mSDtfsCounter, 66 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: 639]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L422] int waterLevel = 1; [L423] int methaneLevelCritical = 0; [L508] int pumpRunning = 0; [L509] int systemActive = 1; [L705] int switchedOnBeforeTS ; [L792] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L866] int retValue_acc ; [L867] int tmp ; [L871] FCALL select_helpers() [L872] FCALL select_features() [L873] CALL, EXPR valid_product() [L783] int retValue_acc ; [L786] retValue_acc = 1 [L787] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L873] RET, EXPR valid_product() [L873] tmp = valid_product() [L875] COND TRUE \read(tmp) [L877] FCALL setup() [L878] CALL runTest() [L859] CALL __utac_acc__Specification5_spec__1() [L710] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L859] RET __utac_acc__Specification5_spec__1() [L860] CALL test() [L630] int splverifierCounter ; [L631] int tmp ; [L632] int tmp___0 ; [L633] int tmp___1 ; [L634] int tmp___2 ; [L637] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L639] COND TRUE 1 [L641] COND TRUE splverifierCounter < 4 [L647] tmp = __VERIFIER_nondet_int() [L649] COND FALSE !(\read(tmp)) [L657] tmp___0 = __VERIFIER_nondet_int() [L659] COND FALSE !(\read(tmp___0)) [L667] tmp___2 = __VERIFIER_nondet_int() [L669] COND TRUE \read(tmp___2) [L671] CALL startSystem() [L623] systemActive = 1 [L671] RET startSystem() [L684] CALL timeShift() [L518] CALL __utac_acc__Specification5_spec__2() [L719] CALL, EXPR isPumpRunning() [L575] int retValue_acc ; [L578] retValue_acc = pumpRunning [L579] return (retValue_acc); [L719] RET, EXPR isPumpRunning() [L719] switchedOnBeforeTS = isPumpRunning() [L518] RET __utac_acc__Specification5_spec__2() [L520] COND FALSE !(\read(pumpRunning)) [L527] COND TRUE \read(systemActive) [L529] FCALL processEnvironment() [L535] CALL __utac_acc__Specification5_spec__3() [L725] int tmp ; [L726] int tmp___0 ; [L730] CALL, EXPR getWaterLevel() [L493] int retValue_acc ; [L496] retValue_acc = waterLevel [L497] return (retValue_acc); [L730] RET, EXPR getWaterLevel() [L730] tmp = getWaterLevel() [L732] COND TRUE tmp != 2 [L734] CALL, EXPR isPumpRunning() [L575] int retValue_acc ; [L578] retValue_acc = pumpRunning [L579] return (retValue_acc); [L734] RET, EXPR isPumpRunning() [L734] tmp___0 = isPumpRunning() [L736] COND FALSE !(\read(tmp___0)) [L535] RET __utac_acc__Specification5_spec__3() [L684] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 639]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L422] int waterLevel = 1; [L423] int methaneLevelCritical = 0; [L508] int pumpRunning = 0; [L509] int systemActive = 1; [L705] int switchedOnBeforeTS ; [L792] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L866] int retValue_acc ; [L867] int tmp ; [L871] FCALL select_helpers() [L872] FCALL select_features() [L873] CALL, EXPR valid_product() [L783] int retValue_acc ; [L786] retValue_acc = 1 [L787] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L873] RET, EXPR valid_product() [L873] tmp = valid_product() [L875] COND TRUE \read(tmp) [L877] FCALL setup() [L878] CALL runTest() [L859] CALL __utac_acc__Specification5_spec__1() [L710] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L859] RET __utac_acc__Specification5_spec__1() [L860] CALL test() [L630] int splverifierCounter ; [L631] int tmp ; [L632] int tmp___0 ; [L633] int tmp___1 ; [L634] int tmp___2 ; [L637] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L639] COND TRUE 1 [L641] COND TRUE splverifierCounter < 4 [L647] tmp = __VERIFIER_nondet_int() [L649] COND FALSE !(\read(tmp)) [L657] tmp___0 = __VERIFIER_nondet_int() [L659] COND FALSE !(\read(tmp___0)) [L667] tmp___2 = __VERIFIER_nondet_int() [L669] COND TRUE \read(tmp___2) [L671] CALL startSystem() [L623] systemActive = 1 [L671] RET startSystem() [L684] CALL timeShift() [L518] CALL __utac_acc__Specification5_spec__2() [L719] CALL, EXPR isPumpRunning() [L575] int retValue_acc ; [L578] retValue_acc = pumpRunning [L579] return (retValue_acc); [L719] RET, EXPR isPumpRunning() [L719] switchedOnBeforeTS = isPumpRunning() [L518] RET __utac_acc__Specification5_spec__2() [L520] COND FALSE !(\read(pumpRunning)) [L527] COND TRUE \read(systemActive) [L529] FCALL processEnvironment() [L535] CALL __utac_acc__Specification5_spec__3() [L725] int tmp ; [L726] int tmp___0 ; [L730] CALL, EXPR getWaterLevel() [L493] int retValue_acc ; [L496] retValue_acc = waterLevel [L497] return (retValue_acc); [L730] RET, EXPR getWaterLevel() [L730] tmp = getWaterLevel() [L732] COND TRUE tmp != 2 [L734] CALL, EXPR isPumpRunning() [L575] int retValue_acc ; [L578] retValue_acc = pumpRunning [L579] return (retValue_acc); [L734] RET, EXPR isPumpRunning() [L734] tmp___0 = isPumpRunning() [L736] COND FALSE !(\read(tmp___0)) [L535] RET __utac_acc__Specification5_spec__3() [L684] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-10 23:15:53,928 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)