./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product52.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_product52.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 4074665f53184e0f9778b3e4e6ee9c58d8a047121518f9c126ceccd876afea36 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:16:21,255 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:16:21,303 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:16:21,306 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:16:21,307 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:16:21,307 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:16:21,327 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:16:21,328 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:16:21,328 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:16:21,330 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:16:21,330 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:16:21,331 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:16:21,332 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:16:21,332 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:16:21,332 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:16:21,332 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:16:21,334 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:16:21,334 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:16:21,335 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:16:21,335 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:16:21,335 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:16:21,336 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:16:21,336 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:16:21,339 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:16:21,339 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:16:21,339 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:16:21,339 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:16:21,339 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:16:21,339 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:16:21,339 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:16:21,340 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:16:21,340 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:16:21,340 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:16:21,340 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:16:21,340 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:16:21,340 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:16:21,340 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:16:21,341 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:16:21,341 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:16:21,341 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:16:21,341 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4074665f53184e0f9778b3e4e6ee9c58d8a047121518f9c126ceccd876afea36 [2024-11-10 23:16:21,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:16:21,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:16:21,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:16:21,564 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:16:21,564 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:16:21,565 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c [2024-11-10 23:16:22,775 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:16:22,944 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:16:22,945 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c [2024-11-10 23:16:22,957 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/257cc6fb2/287c0beb6985452ea0cb80790311709e/FLAGa0d033b4b [2024-11-10 23:16:23,330 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/257cc6fb2/287c0beb6985452ea0cb80790311709e [2024-11-10 23:16:23,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:16:23,332 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:16:23,333 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:16:23,333 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:16:23,337 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:16:23,338 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:16:23" (1/1) ... [2024-11-10 23:16:23,339 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fb805ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:23, skipping insertion in model container [2024-11-10 23:16:23,339 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:16:23" (1/1) ... [2024-11-10 23:16:23,382 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:16:23,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:16:23,607 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:16:23,614 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-10 23:16:23,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [415] [2024-11-10 23:16:23,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [521] [2024-11-10 23:16:23,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [530] [2024-11-10 23:16:23,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [581] [2024-11-10 23:16:23,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [689] [2024-11-10 23:16:23,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [760] [2024-11-10 23:16:23,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [985] [2024-11-10 23:16:23,661 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:16:23,677 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:16:23,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:23 WrapperNode [2024-11-10 23:16:23,678 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:16:23,679 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:16:23,679 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:16:23,679 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:16:23,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:23" (1/1) ... [2024-11-10 23:16:23,695 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:23" (1/1) ... [2024-11-10 23:16:23,722 INFO L138 Inliner]: procedures = 59, calls = 105, calls flagged for inlining = 58, calls inlined = 90, statements flattened = 597 [2024-11-10 23:16:23,723 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:16:23,723 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:16:23,723 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:16:23,723 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:16:23,731 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:23" (1/1) ... [2024-11-10 23:16:23,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:23" (1/1) ... [2024-11-10 23:16:23,733 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:23" (1/1) ... [2024-11-10 23:16:23,744 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 23:16:23,745 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:23" (1/1) ... [2024-11-10 23:16:23,745 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:23" (1/1) ... [2024-11-10 23:16:23,758 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:23" (1/1) ... [2024-11-10 23:16:23,759 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:23" (1/1) ... [2024-11-10 23:16:23,760 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:23" (1/1) ... [2024-11-10 23:16:23,764 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:23" (1/1) ... [2024-11-10 23:16:23,766 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:16:23,767 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:16:23,767 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:16:23,767 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:16:23,768 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:23" (1/1) ... [2024-11-10 23:16:23,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:16:23,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:16:23,804 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 23:16:23,810 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 23:16:23,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:16:23,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:16:23,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:16:23,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:16:23,935 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:16:23,945 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:16:24,358 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L663-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1; [2024-11-10 23:16:24,358 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L663-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1; [2024-11-10 23:16:24,359 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L663-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1; [2024-11-10 23:16:24,359 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L518-1: main_#res#1 := main_~retValue_acc~3#1; [2024-11-10 23:16:24,359 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L686-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~7#1; [2024-11-10 23:16:24,359 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L686-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~7#1; [2024-11-10 23:16:24,359 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L686-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~7#1; [2024-11-10 23:16:24,359 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017-1: valid_product_#res#1 := valid_product_~retValue_acc~13#1; [2024-11-10 23:16:24,359 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L885-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; [2024-11-10 23:16:24,359 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L885-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; [2024-11-10 23:16:24,359 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L885-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; [2024-11-10 23:16:24,359 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L885-7: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; [2024-11-10 23:16:24,359 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L885-9: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; [2024-11-10 23:16:24,359 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L885-11: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; [2024-11-10 23:16:24,359 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L940-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1; [2024-11-10 23:16:24,360 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L940-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1; [2024-11-10 23:16:24,360 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L940-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1; [2024-11-10 23:16:24,360 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L940-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1; [2024-11-10 23:16:24,360 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L940-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1; [2024-11-10 23:16:24,361 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L940-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1; [2024-11-10 23:16:24,361 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L677-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; [2024-11-10 23:16:24,361 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L677-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; [2024-11-10 23:16:24,361 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L677-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; [2024-11-10 23:16:24,361 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L677-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; [2024-11-10 23:16:24,361 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L677-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; [2024-11-10 23:16:24,361 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L677-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; [2024-11-10 23:16:24,361 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L959-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~11#1; [2024-11-10 23:16:24,362 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L959-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~11#1; [2024-11-10 23:16:24,362 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L959-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~11#1; [2024-11-10 23:16:24,383 INFO L? ?]: Removed 136 outVars from TransFormulas that were not future-live. [2024-11-10 23:16:24,383 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:16:24,396 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:16:24,396 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:16:24,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:16:24 BoogieIcfgContainer [2024-11-10 23:16:24,396 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:16:24,397 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:16:24,397 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:16:24,399 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:16:24,400 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:16:24,400 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:16:23" (1/3) ... [2024-11-10 23:16:24,400 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1cc29323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:16:24, skipping insertion in model container [2024-11-10 23:16:24,401 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:16:24,401 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:23" (2/3) ... [2024-11-10 23:16:24,401 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1cc29323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:16:24, skipping insertion in model container [2024-11-10 23:16:24,401 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:16:24,401 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:16:24" (3/3) ... [2024-11-10 23:16:24,402 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product52.cil.c [2024-11-10 23:16:24,437 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:16:24,437 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:16:24,437 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:16:24,437 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:16:24,437 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:16:24,437 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:16:24,437 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:16:24,437 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:16:24,441 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 180 states, 179 states have (on average 1.3631284916201116) internal successors, (244), 179 states have internal predecessors, (244), 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 23:16:24,458 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 116 [2024-11-10 23:16:24,458 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:16:24,458 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:16:24,463 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:24,463 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 23:16:24,463 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:16:24,464 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 180 states, 179 states have (on average 1.3631284916201116) internal successors, (244), 179 states have internal predecessors, (244), 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 23:16:24,470 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 116 [2024-11-10 23:16:24,470 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:16:24,472 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:16:24,472 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:24,472 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 23:16:24,477 INFO L745 eck$LassoCheckResult]: Stem: 165#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;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 44#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 139#L1008true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 53#L1001true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 21#L1016true assume true;main_#t~ret27#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 49#L508true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 96#L479true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 73#L539true assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 36#L702true [2024-11-10 23:16:24,477 INFO L747 eck$LassoCheckResult]: Loop: 36#L702true assume true; 141#L702-1true assume !false;assume true; 78#L704true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 87#L712true assume !(0 != test_~tmp~5#1); 46#L720true havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 84#L722true assume !(0 != test_~tmp___0~1#1); 79#L730true havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 42#L732true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet39#1;test_~tmp___1~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 65#L740true assume !(0 != test_~tmp___1~0#1); 7#L749true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret28#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 3#L884-5true assume true;__utac_acc__Specification5_spec__2_#t~ret28#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret28#1;havoc __utac_acc__Specification5_spec__2_#t~ret28#1; 47#L549-2true assume true;havoc __utac_acc__Specification5_spec__2_#t~ret28#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 33#L773-2true assume !(0 != ~pumpRunning~0); 114#L780-2true assume !(0 != ~systemActive~0); 98#L788-2true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;havoc getWaterLevel_~retValue_acc~5#1;getWaterLevel_~retValue_acc~5#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1; 76#L662-2true assume true;__utac_acc__Specification5_spec__3_#t~ret29#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret29#1;havoc __utac_acc__Specification5_spec__3_#t~ret29#1; 142#L560-2true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4#1); 167#L578-2true assume true;havoc __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 124#L790-2true assume true;assume { :end_inline_timeShift } true; 36#L702true [2024-11-10 23:16:24,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:24,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1341152026, now seen corresponding path program 1 times [2024-11-10 23:16:24,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:24,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871242230] [2024-11-10 23:16:24,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:24,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:24,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:24,561 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:24,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:24,591 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:24,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:24,594 INFO L85 PathProgramCache]: Analyzing trace with hash -992685026, now seen corresponding path program 1 times [2024-11-10 23:16:24,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:24,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215006441] [2024-11-10 23:16:24,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:24,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:24,602 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:24,611 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:24,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:24,613 INFO L85 PathProgramCache]: Analyzing trace with hash 887523429, now seen corresponding path program 1 times [2024-11-10 23:16:24,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:24,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165447799] [2024-11-10 23:16:24,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:24,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:24,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:16:24,779 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 23:16:24,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:16:24,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165447799] [2024-11-10 23:16:24,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165447799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:16:24,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:16:24,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 23:16:24,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449056654] [2024-11-10 23:16:24,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:16:24,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:16:24,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 23:16:24,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 23:16:24,889 INFO L87 Difference]: Start difference. First operand has 180 states, 179 states have (on average 1.3631284916201116) internal successors, (244), 179 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 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 23:16:25,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:16:25,013 INFO L93 Difference]: Finished difference Result 412 states and 541 transitions. [2024-11-10 23:16:25,014 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 412 states and 541 transitions. [2024-11-10 23:16:25,022 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 266 [2024-11-10 23:16:25,030 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 412 states to 379 states and 508 transitions. [2024-11-10 23:16:25,031 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 379 [2024-11-10 23:16:25,033 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 379 [2024-11-10 23:16:25,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 379 states and 508 transitions. [2024-11-10 23:16:25,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:16:25,035 INFO L218 hiAutomatonCegarLoop]: Abstraction has 379 states and 508 transitions. [2024-11-10 23:16:25,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states and 508 transitions. [2024-11-10 23:16:25,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 223. [2024-11-10 23:16:25,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 223 states have (on average 1.336322869955157) internal successors, (298), 222 states have internal predecessors, (298), 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 23:16:25,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 298 transitions. [2024-11-10 23:16:25,063 INFO L240 hiAutomatonCegarLoop]: Abstraction has 223 states and 298 transitions. [2024-11-10 23:16:25,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 23:16:25,067 INFO L425 stractBuchiCegarLoop]: Abstraction has 223 states and 298 transitions. [2024-11-10 23:16:25,067 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:16:25,067 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 223 states and 298 transitions. [2024-11-10 23:16:25,069 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 155 [2024-11-10 23:16:25,069 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:16:25,069 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:16:25,069 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:25,069 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] [2024-11-10 23:16:25,069 INFO L745 eck$LassoCheckResult]: Stem: 771#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;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 683#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 684#L1008 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 693#L1001 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 646#L1016 assume true;main_#t~ret27#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 647#L508 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 688#L479 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 717#L539 assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 676#L702 [2024-11-10 23:16:25,070 INFO L747 eck$LassoCheckResult]: Loop: 676#L702 assume true; 677#L702-1 assume !false;assume true; 723#L704 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 725#L712 assume !(0 != test_~tmp~5#1); 686#L720 havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 687#L722 assume !(0 != test_~tmp___0~1#1); 726#L730 havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 680#L732 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 625#L982 assume true;assume { :end_inline_startSystem } true; 618#L749 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret28#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 610#L884-5 assume true;__utac_acc__Specification5_spec__2_#t~ret28#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret28#1;havoc __utac_acc__Specification5_spec__2_#t~ret28#1; 611#L549-2 assume true;havoc __utac_acc__Specification5_spec__2_#t~ret28#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 668#L773-2 assume !(0 != ~pumpRunning~0); 670#L780-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 619#L831-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret40#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6#1; 621#L805-5 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 656#L797-11 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 634#L823-5 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret40#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 635#L849-2 assume true;havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~7#1;assume { :end_inline_processEnvironment } true; 671#L788-2 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;havoc getWaterLevel_~retValue_acc~5#1;getWaterLevel_~retValue_acc~5#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1; 719#L662-2 assume true;__utac_acc__Specification5_spec__3_#t~ret29#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret29#1;havoc __utac_acc__Specification5_spec__3_#t~ret29#1; 720#L560-2 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4#1); 653#L578-2 assume true;havoc __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 756#L790-2 assume true;assume { :end_inline_timeShift } true; 676#L702 [2024-11-10 23:16:25,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:25,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1341152026, now seen corresponding path program 2 times [2024-11-10 23:16:25,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:25,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180507888] [2024-11-10 23:16:25,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:25,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:25,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:25,078 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:25,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:25,087 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:25,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:25,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1989467319, now seen corresponding path program 1 times [2024-11-10 23:16:25,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:25,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604158756] [2024-11-10 23:16:25,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:25,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:25,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:16:25,111 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 23:16:25,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:16:25,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604158756] [2024-11-10 23:16:25,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604158756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:16:25,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:16:25,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 23:16:25,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815446926] [2024-11-10 23:16:25,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:16:25,113 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:16:25,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:16:25,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:16:25,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:16:25,113 INFO L87 Difference]: Start difference. First operand 223 states and 298 transitions. cyclomatic complexity: 78 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:16:25,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:16:25,194 INFO L93 Difference]: Finished difference Result 282 states and 361 transitions. [2024-11-10 23:16:25,194 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 282 states and 361 transitions. [2024-11-10 23:16:25,196 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 200 [2024-11-10 23:16:25,199 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 282 states to 282 states and 361 transitions. [2024-11-10 23:16:25,200 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 282 [2024-11-10 23:16:25,200 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 282 [2024-11-10 23:16:25,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 282 states and 361 transitions. [2024-11-10 23:16:25,201 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:16:25,204 INFO L218 hiAutomatonCegarLoop]: Abstraction has 282 states and 361 transitions. [2024-11-10 23:16:25,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states and 361 transitions. [2024-11-10 23:16:25,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2024-11-10 23:16:25,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 282 states have (on average 1.2801418439716312) internal successors, (361), 281 states have internal predecessors, (361), 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 23:16:25,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 361 transitions. [2024-11-10 23:16:25,216 INFO L240 hiAutomatonCegarLoop]: Abstraction has 282 states and 361 transitions. [2024-11-10 23:16:25,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:16:25,234 INFO L425 stractBuchiCegarLoop]: Abstraction has 282 states and 361 transitions. [2024-11-10 23:16:25,234 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-10 23:16:25,234 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 282 states and 361 transitions. [2024-11-10 23:16:25,236 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 200 [2024-11-10 23:16:25,236 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:16:25,240 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:16:25,241 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:25,241 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, 1] [2024-11-10 23:16:25,241 INFO L745 eck$LassoCheckResult]: Stem: 1297#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;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 1191#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 1192#L1008 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1203#L1001 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 1155#L1016 assume true;main_#t~ret27#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 1156#L508 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 1197#L479 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1226#L539 assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1182#L702 [2024-11-10 23:16:25,241 INFO L747 eck$LassoCheckResult]: Loop: 1182#L702 assume true; 1183#L702-1 assume !false;assume true; 1232#L704 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 1234#L712 assume !(0 != test_~tmp~5#1); 1195#L720 havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 1196#L722 assume !(0 != test_~tmp___0~1#1); 1235#L730 havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 1188#L732 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet39#1;test_~tmp___1~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 1189#L740 assume !(0 != test_~tmp___1~0#1); 1129#L749 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret28#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 1121#L884-5 assume true;__utac_acc__Specification5_spec__2_#t~ret28#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret28#1;havoc __utac_acc__Specification5_spec__2_#t~ret28#1; 1122#L549-2 assume true;havoc __utac_acc__Specification5_spec__2_#t~ret28#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1177#L773-2 assume !(0 != ~pumpRunning~0); 1178#L780-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 1130#L831-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret40#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6#1; 1131#L805-5 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret51#1, isHighWaterLevel_~retValue_acc~10#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~10#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~6#1;havoc isHighWaterSensorDry_~retValue_acc~6#1; 1198#L670-5 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; 1139#L675-5 assume true;isHighWaterLevel_#t~ret51#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~6#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret51#1;havoc isHighWaterLevel_#t~ret51#1; 1140#L933-5 assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~2#1 := 0; 1247#L938-5 isHighWaterLevel_~retValue_acc~10#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1; 1248#L939-5 assume true;processEnvironment__wrappee__highWaterSensor_#t~ret40#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret51#1, isHighWaterLevel_~retValue_acc~10#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~6#1 := processEnvironment__wrappee__highWaterSensor_#t~ret40#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret40#1; 1200#L809-5 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1202#L797-10 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 1143#L823-5 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret40#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1144#L849-2 assume true;havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~7#1;assume { :end_inline_processEnvironment } true; 1179#L788-2 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;havoc getWaterLevel_~retValue_acc~5#1;getWaterLevel_~retValue_acc~5#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1; 1389#L662-2 assume true;__utac_acc__Specification5_spec__3_#t~ret29#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret29#1;havoc __utac_acc__Specification5_spec__3_#t~ret29#1; 1285#L560-2 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4#1); 1162#L578-2 assume true;havoc __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1276#L790-2 assume true;assume { :end_inline_timeShift } true; 1182#L702 [2024-11-10 23:16:25,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:25,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1341152026, now seen corresponding path program 3 times [2024-11-10 23:16:25,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:25,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562261620] [2024-11-10 23:16:25,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:25,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:25,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:25,258 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:25,279 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:25,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:25,284 INFO L85 PathProgramCache]: Analyzing trace with hash -2083334255, now seen corresponding path program 1 times [2024-11-10 23:16:25,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:25,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898731375] [2024-11-10 23:16:25,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:25,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:25,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:16:25,386 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 23:16:25,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:16:25,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898731375] [2024-11-10 23:16:25,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898731375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:16:25,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:16:25,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 23:16:25,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884953370] [2024-11-10 23:16:25,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:16:25,387 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:16:25,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:16:25,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 23:16:25,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 23:16:25,388 INFO L87 Difference]: Start difference. First operand 282 states and 361 transitions. cyclomatic complexity: 82 Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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 23:16:25,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:16:25,489 INFO L93 Difference]: Finished difference Result 553 states and 693 transitions. [2024-11-10 23:16:25,489 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 553 states and 693 transitions. [2024-11-10 23:16:25,491 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 397 [2024-11-10 23:16:25,493 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 553 states to 553 states and 693 transitions. [2024-11-10 23:16:25,493 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 553 [2024-11-10 23:16:25,494 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 553 [2024-11-10 23:16:25,494 INFO L73 IsDeterministic]: Start isDeterministic. Operand 553 states and 693 transitions. [2024-11-10 23:16:25,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:16:25,497 INFO L218 hiAutomatonCegarLoop]: Abstraction has 553 states and 693 transitions. [2024-11-10 23:16:25,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states and 693 transitions. [2024-11-10 23:16:25,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 553. [2024-11-10 23:16:25,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 553 states have (on average 1.2531645569620253) internal successors, (693), 552 states have internal predecessors, (693), 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 23:16:25,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 693 transitions. [2024-11-10 23:16:25,511 INFO L240 hiAutomatonCegarLoop]: Abstraction has 553 states and 693 transitions. [2024-11-10 23:16:25,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 23:16:25,512 INFO L425 stractBuchiCegarLoop]: Abstraction has 553 states and 693 transitions. [2024-11-10 23:16:25,512 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-10 23:16:25,512 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 553 states and 693 transitions. [2024-11-10 23:16:25,514 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 397 [2024-11-10 23:16:25,514 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:16:25,514 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:16:25,514 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:25,514 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, 1, 1, 1] [2024-11-10 23:16:25,514 INFO L745 eck$LassoCheckResult]: Stem: 2155#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;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 2039#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 2040#L1008 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2054#L1001 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 2003#L1016 assume true;main_#t~ret27#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 2004#L508 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 2047#L479 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 2078#L539 assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 2079#L702 [2024-11-10 23:16:25,515 INFO L747 eck$LassoCheckResult]: Loop: 2079#L702 assume true; 2265#L702-1 assume !false;assume true; 2256#L704 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 2255#L712 assume !(0 != test_~tmp~5#1); 2042#L720 havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 2043#L722 assume !(0 != test_~tmp___0~1#1); 2090#L730 havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 2091#L732 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet39#1;test_~tmp___1~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 2068#L740 assume !(0 != test_~tmp___1~0#1); 1976#L749 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret28#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 1977#L884-5 assume true;__utac_acc__Specification5_spec__2_#t~ret28#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret28#1;havoc __utac_acc__Specification5_spec__2_#t~ret28#1; 2493#L549-2 assume true;havoc __utac_acc__Specification5_spec__2_#t~ret28#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 2025#L773-2 assume !(0 != ~pumpRunning~0); 2026#L780-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 1978#L831-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret40#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6#1; 1979#L805-5 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret51#1, isHighWaterLevel_~retValue_acc~10#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~10#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~6#1;havoc isHighWaterSensorDry_~retValue_acc~6#1; 2048#L670-5 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; 1983#L675-5 assume true;isHighWaterLevel_#t~ret51#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~6#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret51#1;havoc isHighWaterLevel_#t~ret51#1; 1984#L933-5 assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~2#1 := 0; 2105#L938-5 isHighWaterLevel_~retValue_acc~10#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1; 2106#L939-5 assume true;processEnvironment__wrappee__highWaterSensor_#t~ret40#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret51#1, isHighWaterLevel_~retValue_acc~10#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~6#1 := processEnvironment__wrappee__highWaterSensor_#t~ret40#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret40#1; 2051#L809-5 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 2053#L797-10 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 2287#L823-5 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret40#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 2280#L849-2 assume true;havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~7#1;assume { :end_inline_processEnvironment } true; 2276#L788-2 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;havoc getWaterLevel_~retValue_acc~5#1;getWaterLevel_~retValue_acc~5#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1; 2274#L662-2 assume true;__utac_acc__Specification5_spec__3_#t~ret29#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret29#1;havoc __utac_acc__Specification5_spec__3_#t~ret29#1; 2272#L560-2 assume 2 != __utac_acc__Specification5_spec__3_~tmp~4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 2271#L884-4 assume true;__utac_acc__Specification5_spec__3_#t~ret30#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret30#1;havoc __utac_acc__Specification5_spec__3_#t~ret30#1; 2270#L564-2 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1); 2268#L578-2 assume true;havoc __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 2267#L790-2 assume true;assume { :end_inline_timeShift } true; 2079#L702 [2024-11-10 23:16:25,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:25,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1341152026, now seen corresponding path program 4 times [2024-11-10 23:16:25,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:25,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127542705] [2024-11-10 23:16:25,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:25,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:25,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:25,524 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:25,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:25,528 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:25,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:25,528 INFO L85 PathProgramCache]: Analyzing trace with hash -630066417, now seen corresponding path program 1 times [2024-11-10 23:16:25,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:25,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910284850] [2024-11-10 23:16:25,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:25,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:25,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:25,538 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:25,545 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:25,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:25,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1682418216, now seen corresponding path program 1 times [2024-11-10 23:16:25,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:25,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440004097] [2024-11-10 23:16:25,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:25,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:25,558 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:25,570 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:26,250 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:26,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:26,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:16:26 BoogieIcfgContainer [2024-11-10 23:16:26,304 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:16:26,304 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:16:26,304 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:16:26,305 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:16:26,305 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:16:24" (3/4) ... [2024-11-10 23:16:26,306 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 23:16:26,355 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 23:16:26,355 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:16:26,357 INFO L158 Benchmark]: Toolchain (without parser) took 3024.92ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 146.3MB in the beginning and 107.8MB in the end (delta: 38.5MB). Peak memory consumption was 75.6MB. Max. memory is 16.1GB. [2024-11-10 23:16:26,358 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 113.2MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:16:26,358 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.86ms. Allocated memory is still 180.4MB. Free memory was 146.3MB in the beginning and 123.6MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-10 23:16:26,358 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.95ms. Allocated memory is still 180.4MB. Free memory was 123.6MB in the beginning and 120.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:16:26,358 INFO L158 Benchmark]: Boogie Preprocessor took 43.23ms. Allocated memory is still 180.4MB. Free memory was 120.5MB in the beginning and 117.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:16:26,358 INFO L158 Benchmark]: IcfgBuilder took 629.53ms. Allocated memory is still 180.4MB. Free memory was 117.3MB in the beginning and 121.6MB in the end (delta: -4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-10 23:16:26,359 INFO L158 Benchmark]: BuchiAutomizer took 1906.98ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 121.6MB in the beginning and 111.0MB in the end (delta: 10.6MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. [2024-11-10 23:16:26,359 INFO L158 Benchmark]: Witness Printer took 52.65ms. Allocated memory is still 218.1MB. Free memory was 111.0MB in the beginning and 107.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:16:26,360 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 113.2MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.86ms. Allocated memory is still 180.4MB. Free memory was 146.3MB in the beginning and 123.6MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.95ms. Allocated memory is still 180.4MB. Free memory was 123.6MB in the beginning and 120.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.23ms. Allocated memory is still 180.4MB. Free memory was 120.5MB in the beginning and 117.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 629.53ms. Allocated memory is still 180.4MB. Free memory was 117.3MB in the beginning and 121.6MB in the end (delta: -4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1906.98ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 121.6MB in the beginning and 111.0MB in the end (delta: 10.6MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. * Witness Printer took 52.65ms. Allocated memory is still 218.1MB. Free memory was 111.0MB in the beginning and 107.8MB in the end (delta: 3.1MB). 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,"Test.i","") [415] - GenericResultAtLocation [Line: 521]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [521] - GenericResultAtLocation [Line: 530]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [530] - GenericResultAtLocation [Line: 581]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [581] - GenericResultAtLocation [Line: 689]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [689] - GenericResultAtLocation [Line: 760]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [760] - GenericResultAtLocation [Line: 985]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [985] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 553 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 156 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 961 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 961 mSDsluCounter, 2214 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1516 mSDsCounter, 61 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 175 IncrementalHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 61 mSolverCounterUnsat, 698 mSDtfsCounter, 175 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 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: 702]: 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; [L416] int cleanupTimeShifts = 4; [L533] int switchedOnBeforeTS ; [L587] int waterLevel = 1; [L588] int methaneLevelCritical = 0; [L763] int pumpRunning = 0; [L764] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L499] int retValue_acc ; [L500] int tmp ; [L504] FCALL select_helpers() [L505] FCALL select_features() [L506] CALL, EXPR valid_product() [L1012] int retValue_acc ; [L1015] retValue_acc = 1 [L1016] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L506] RET, EXPR valid_product() [L506] tmp = valid_product() [L508] COND TRUE \read(tmp) [L510] FCALL setup() [L511] CALL runTest() [L489] CALL __utac_acc__Specification5_spec__1() [L538] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L489] RET __utac_acc__Specification5_spec__1() [L490] CALL test() [L693] int splverifierCounter ; [L694] int tmp ; [L695] int tmp___0 ; [L696] int tmp___1 ; [L697] int tmp___2 ; [L700] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L702] COND TRUE 1 [L704] COND TRUE splverifierCounter < 4 [L710] tmp = __VERIFIER_nondet_int() [L712] COND FALSE !(\read(tmp)) [L720] tmp___0 = __VERIFIER_nondet_int() [L722] COND FALSE !(\read(tmp___0)) [L730] tmp___2 = __VERIFIER_nondet_int() [L732] COND FALSE !(\read(tmp___2)) [L738] tmp___1 = __VERIFIER_nondet_int() [L740] COND FALSE !(\read(tmp___1)) [L749] CALL timeShift() [L771] CALL __utac_acc__Specification5_spec__2() [L547] CALL, EXPR isPumpRunning() [L880] int retValue_acc ; [L883] retValue_acc = pumpRunning [L884] return (retValue_acc); [L547] RET, EXPR isPumpRunning() [L547] switchedOnBeforeTS = isPumpRunning() [L771] RET __utac_acc__Specification5_spec__2() [L773] COND FALSE !(\read(pumpRunning)) [L780] COND TRUE \read(systemActive) [L782] CALL processEnvironment() [L828] int tmp ; [L831] COND FALSE !(\read(pumpRunning)) [L846] CALL processEnvironment__wrappee__highWaterSensor() [L802] int tmp ; [L805] COND TRUE ! pumpRunning [L807] CALL, EXPR isHighWaterLevel() [L925] int retValue_acc ; [L926] int tmp ; [L927] int tmp___0 ; [L931] CALL, EXPR isHighWaterSensorDry() [L667] int retValue_acc ; [L670] COND TRUE waterLevel < 2 [L671] retValue_acc = 1 [L672] return (retValue_acc); [L931] RET, EXPR isHighWaterSensorDry() [L931] tmp = isHighWaterSensorDry() [L933] COND TRUE \read(tmp) [L934] tmp___0 = 0 [L938] retValue_acc = tmp___0 [L939] return (retValue_acc); [L807] RET, EXPR isHighWaterLevel() [L807] tmp = isHighWaterLevel() [L809] COND FALSE !(\read(tmp)) [L815] FCALL processEnvironment__wrappee__base() [L846] RET processEnvironment__wrappee__highWaterSensor() [L782] RET processEnvironment() [L788] CALL __utac_acc__Specification5_spec__3() [L553] int tmp ; [L554] int tmp___0 ; [L558] CALL, EXPR getWaterLevel() [L658] int retValue_acc ; [L661] retValue_acc = waterLevel [L662] return (retValue_acc); [L558] RET, EXPR getWaterLevel() [L558] tmp = getWaterLevel() [L560] COND TRUE tmp != 2 [L562] CALL, EXPR isPumpRunning() [L880] int retValue_acc ; [L883] retValue_acc = pumpRunning [L884] return (retValue_acc); [L562] RET, EXPR isPumpRunning() [L562] tmp___0 = isPumpRunning() [L564] COND FALSE !(\read(tmp___0)) [L788] RET __utac_acc__Specification5_spec__3() [L749] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 702]: 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; [L416] int cleanupTimeShifts = 4; [L533] int switchedOnBeforeTS ; [L587] int waterLevel = 1; [L588] int methaneLevelCritical = 0; [L763] int pumpRunning = 0; [L764] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L499] int retValue_acc ; [L500] int tmp ; [L504] FCALL select_helpers() [L505] FCALL select_features() [L506] CALL, EXPR valid_product() [L1012] int retValue_acc ; [L1015] retValue_acc = 1 [L1016] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L506] RET, EXPR valid_product() [L506] tmp = valid_product() [L508] COND TRUE \read(tmp) [L510] FCALL setup() [L511] CALL runTest() [L489] CALL __utac_acc__Specification5_spec__1() [L538] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L489] RET __utac_acc__Specification5_spec__1() [L490] CALL test() [L693] int splverifierCounter ; [L694] int tmp ; [L695] int tmp___0 ; [L696] int tmp___1 ; [L697] int tmp___2 ; [L700] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L702] COND TRUE 1 [L704] COND TRUE splverifierCounter < 4 [L710] tmp = __VERIFIER_nondet_int() [L712] COND FALSE !(\read(tmp)) [L720] tmp___0 = __VERIFIER_nondet_int() [L722] COND FALSE !(\read(tmp___0)) [L730] tmp___2 = __VERIFIER_nondet_int() [L732] COND FALSE !(\read(tmp___2)) [L738] tmp___1 = __VERIFIER_nondet_int() [L740] COND FALSE !(\read(tmp___1)) [L749] CALL timeShift() [L771] CALL __utac_acc__Specification5_spec__2() [L547] CALL, EXPR isPumpRunning() [L880] int retValue_acc ; [L883] retValue_acc = pumpRunning [L884] return (retValue_acc); [L547] RET, EXPR isPumpRunning() [L547] switchedOnBeforeTS = isPumpRunning() [L771] RET __utac_acc__Specification5_spec__2() [L773] COND FALSE !(\read(pumpRunning)) [L780] COND TRUE \read(systemActive) [L782] CALL processEnvironment() [L828] int tmp ; [L831] COND FALSE !(\read(pumpRunning)) [L846] CALL processEnvironment__wrappee__highWaterSensor() [L802] int tmp ; [L805] COND TRUE ! pumpRunning [L807] CALL, EXPR isHighWaterLevel() [L925] int retValue_acc ; [L926] int tmp ; [L927] int tmp___0 ; [L931] CALL, EXPR isHighWaterSensorDry() [L667] int retValue_acc ; [L670] COND TRUE waterLevel < 2 [L671] retValue_acc = 1 [L672] return (retValue_acc); [L931] RET, EXPR isHighWaterSensorDry() [L931] tmp = isHighWaterSensorDry() [L933] COND TRUE \read(tmp) [L934] tmp___0 = 0 [L938] retValue_acc = tmp___0 [L939] return (retValue_acc); [L807] RET, EXPR isHighWaterLevel() [L807] tmp = isHighWaterLevel() [L809] COND FALSE !(\read(tmp)) [L815] FCALL processEnvironment__wrappee__base() [L846] RET processEnvironment__wrappee__highWaterSensor() [L782] RET processEnvironment() [L788] CALL __utac_acc__Specification5_spec__3() [L553] int tmp ; [L554] int tmp___0 ; [L558] CALL, EXPR getWaterLevel() [L658] int retValue_acc ; [L661] retValue_acc = waterLevel [L662] return (retValue_acc); [L558] RET, EXPR getWaterLevel() [L558] tmp = getWaterLevel() [L560] COND TRUE tmp != 2 [L562] CALL, EXPR isPumpRunning() [L880] int retValue_acc ; [L883] retValue_acc = pumpRunning [L884] return (retValue_acc); [L562] RET, EXPR isPumpRunning() [L562] tmp___0 = isPumpRunning() [L564] COND FALSE !(\read(tmp___0)) [L788] RET __utac_acc__Specification5_spec__3() [L749] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-10 23:16:26,382 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)