./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_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_spec1_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 8521353bcf4bae83665566564f0550ca2d5ed2f2d2c87d1236006cfbb2433fe4 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:13:28,820 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:13:28,870 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:13:28,874 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:13:28,874 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:13:28,875 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:13:28,900 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:13:28,902 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:13:28,902 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:13:28,903 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:13:28,904 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:13:28,904 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:13:28,905 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:13:28,905 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:13:28,908 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:13:28,908 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:13:28,908 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:13:28,908 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:13:28,908 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:13:28,909 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:13:28,909 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:13:28,909 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:13:28,909 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:13:28,909 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:13:28,909 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:13:28,910 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:13:28,910 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:13:28,910 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:13:28,910 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:13:28,910 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:13:28,910 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:13:28,910 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:13:28,910 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:13:28,911 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:13:28,911 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:13:28,911 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:13:28,911 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:13:28,911 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:13:28,911 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:13:28,912 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:13:28,912 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8521353bcf4bae83665566564f0550ca2d5ed2f2d2c87d1236006cfbb2433fe4 [2024-11-10 23:13:29,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:13:29,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:13:29,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:13:29,111 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:13:29,111 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:13:29,112 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product52.cil.c [2024-11-10 23:13:30,327 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:13:30,496 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:13:30,496 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product52.cil.c [2024-11-10 23:13:30,504 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db9a9e747/07ee134b2d5c4a78a49c955191b07b41/FLAGd237e5e07 [2024-11-10 23:13:30,887 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db9a9e747/07ee134b2d5c4a78a49c955191b07b41 [2024-11-10 23:13:30,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:13:30,890 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:13:30,891 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:13:30,891 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:13:30,895 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:13:30,896 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:13:30" (1/1) ... [2024-11-10 23:13:30,897 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@729714ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:30, skipping insertion in model container [2024-11-10 23:13:30,897 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:13:30" (1/1) ... [2024-11-10 23:13:30,928 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:13:31,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:13:31,188 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:13:31,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-10 23:13:31,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [160] [2024-11-10 23:13:31,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [388] [2024-11-10 23:13:31,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [397] [2024-11-10 23:13:31,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [467] [2024-11-10 23:13:31,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [566] [2024-11-10 23:13:31,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [592] [2024-11-10 23:13:31,199 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [958] [2024-11-10 23:13:31,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:13:31,274 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:13:31,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:31 WrapperNode [2024-11-10 23:13:31,274 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:13:31,275 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:13:31,275 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:13:31,275 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:13:31,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:31" (1/1) ... [2024-11-10 23:13:31,292 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:31" (1/1) ... [2024-11-10 23:13:31,322 INFO L138 Inliner]: procedures = 57, calls = 102, calls flagged for inlining = 55, calls inlined = 83, statements flattened = 557 [2024-11-10 23:13:31,322 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:13:31,323 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:13:31,323 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:13:31,323 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:13:31,331 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:31" (1/1) ... [2024-11-10 23:13:31,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:31" (1/1) ... [2024-11-10 23:13:31,337 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:31" (1/1) ... [2024-11-10 23:13:31,356 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 23:13:31,356 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:31" (1/1) ... [2024-11-10 23:13:31,356 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:31" (1/1) ... [2024-11-10 23:13:31,364 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:31" (1/1) ... [2024-11-10 23:13:31,365 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:31" (1/1) ... [2024-11-10 23:13:31,366 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:31" (1/1) ... [2024-11-10 23:13:31,367 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:31" (1/1) ... [2024-11-10 23:13:31,370 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:13:31,374 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:13:31,374 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:13:31,374 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:13:31,374 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:31" (1/1) ... [2024-11-10 23:13:31,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:13:31,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:13:31,405 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:13:31,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-10 23:13:31,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:13:31,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:13:31,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:13:31,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:13:31,572 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:13:31,573 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:13:31,924 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L102-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2024-11-10 23:13:31,925 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L102-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2024-11-10 23:13:31,925 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L102-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2024-11-10 23:13:31,925 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L288-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2024-11-10 23:13:31,925 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L288-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2024-11-10 23:13:31,925 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L288-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2024-11-10 23:13:31,925 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L157-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~3#1; [2024-11-10 23:13:31,925 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L157-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~3#1; [2024-11-10 23:13:31,925 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L157-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~3#1; [2024-11-10 23:13:31,925 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L343-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2024-11-10 23:13:31,925 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L343-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2024-11-10 23:13:31,925 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L343-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2024-11-10 23:13:31,926 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L343-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2024-11-10 23:13:31,926 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L343-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2024-11-10 23:13:31,926 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L343-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2024-11-10 23:13:31,926 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L362-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~7#1; [2024-11-10 23:13:31,926 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L362-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~7#1; [2024-11-10 23:13:31,926 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L362-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~7#1; [2024-11-10 23:13:31,926 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L990-1: valid_product_#res#1 := valid_product_~retValue_acc~13#1; [2024-11-10 23:13:31,926 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L148-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; [2024-11-10 23:13:31,926 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L148-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; [2024-11-10 23:13:31,926 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L148-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; [2024-11-10 23:13:31,926 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L148-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; [2024-11-10 23:13:31,926 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L148-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; [2024-11-10 23:13:31,926 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L148-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; [2024-11-10 23:13:31,926 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L563-1: main_#res#1 := main_~retValue_acc~8#1; [2024-11-10 23:13:31,943 INFO L? ?]: Removed 130 outVars from TransFormulas that were not future-live. [2024-11-10 23:13:31,943 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:13:31,956 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:13:31,956 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:13:31,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:31 BoogieIcfgContainer [2024-11-10 23:13:31,957 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:13:31,959 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:13:31,959 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:13:31,962 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:13:31,963 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:31,963 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:13:30" (1/3) ... [2024-11-10 23:13:31,964 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e8903cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:13:31, skipping insertion in model container [2024-11-10 23:13:31,964 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:31,964 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:31" (2/3) ... [2024-11-10 23:13:31,964 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e8903cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:13:31, skipping insertion in model container [2024-11-10 23:13:31,965 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:31,965 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:31" (3/3) ... [2024-11-10 23:13:31,966 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product52.cil.c [2024-11-10 23:13:32,008 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:13:32,008 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:13:32,008 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:13:32,008 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:13:32,008 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:13:32,009 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:13:32,009 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:13:32,009 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:13:32,013 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 170 states, 169 states have (on average 1.3668639053254439) internal successors, (231), 169 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:13:32,039 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 110 [2024-11-10 23:13:32,041 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:32,041 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:32,047 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:32,047 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:32,047 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:13:32,048 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 170 states, 169 states have (on average 1.3668639053254439) internal successors, (231), 169 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:13:32,054 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 110 [2024-11-10 23:13:32,054 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:32,054 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:32,055 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:32,055 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:32,062 INFO L745 eck$LassoCheckResult]: Stem: 146#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 37#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret26#1, main_~retValue_acc~8#1, main_~tmp~5#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 11#L981true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 55#L974true 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; 42#L989true assume true;main_#t~ret26#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret26#1;havoc main_#t~ret26#1; 87#L553true assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 113#L527true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 151#L409true [2024-11-10 23:13:32,063 INFO L747 eck$LassoCheckResult]: Loop: 151#L409true assume true; 59#L409-1true assume !false;assume true; 66#L411true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet22#1;test_~tmp~4#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 4#L419true assume !(0 != test_~tmp~4#1); 108#L427true havoc test_#t~nondet23#1;test_~tmp___0~2#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 94#L429true assume !(0 != test_~tmp___0~2#1); 6#L437true havoc test_#t~nondet24#1;test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 67#L439true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet25#1;test_~tmp___1~0#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 38#L447true assume !(0 != test_~tmp___1~0#1); 134#L456true assume { :begin_inline_timeShift } true; 156#L176-2true assume !(0 != ~pumpRunning~0); 49#L183-2true assume !(0 != ~systemActive~0); 81#L191-2true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret27#1, __utac_acc__Specification1_spec__1_#t~ret28#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 101#L101-2true assume true;__utac_acc__Specification1_spec__1_#t~ret27#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret27#1;havoc __utac_acc__Specification1_spec__1_#t~ret27#1; 21#L575-2true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1); 159#L589-2true assume true;havoc __utac_acc__Specification1_spec__1_#t~ret27#1, __utac_acc__Specification1_spec__1_#t~ret28#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 60#L193-2true assume true;assume { :end_inline_timeShift } true; 151#L409true [2024-11-10 23:13:32,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:32,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1356334801, now seen corresponding path program 1 times [2024-11-10 23:13:32,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:32,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732925288] [2024-11-10 23:13:32,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:32,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:32,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:32,161 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:32,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:32,194 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:32,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:32,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1232709514, now seen corresponding path program 1 times [2024-11-10 23:13:32,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:32,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682110414] [2024-11-10 23:13:32,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:32,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:32,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:32,208 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:32,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:32,218 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:32,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:32,220 INFO L85 PathProgramCache]: Analyzing trace with hash 609841180, now seen corresponding path program 1 times [2024-11-10 23:13:32,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:32,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563896622] [2024-11-10 23:13:32,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:32,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:32,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:13:32,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:13:32,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:13:32,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563896622] [2024-11-10 23:13:32,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563896622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:13:32,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:13:32,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 23:13:32,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832546344] [2024-11-10 23:13:32,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:13:32,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:13:32,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 23:13:32,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 23:13:32,475 INFO L87 Difference]: Start difference. First operand has 170 states, 169 states have (on average 1.3668639053254439) internal successors, (231), 169 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:13:32,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:13:32,589 INFO L93 Difference]: Finished difference Result 384 states and 504 transitions. [2024-11-10 23:13:32,590 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 384 states and 504 transitions. [2024-11-10 23:13:32,595 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 248 [2024-11-10 23:13:32,602 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 384 states to 351 states and 471 transitions. [2024-11-10 23:13:32,605 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 351 [2024-11-10 23:13:32,606 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 351 [2024-11-10 23:13:32,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 351 states and 471 transitions. [2024-11-10 23:13:32,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:13:32,608 INFO L218 hiAutomatonCegarLoop]: Abstraction has 351 states and 471 transitions. [2024-11-10 23:13:32,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states and 471 transitions. [2024-11-10 23:13:32,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 204. [2024-11-10 23:13:32,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 204 states have (on average 1.338235294117647) internal successors, (273), 203 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:13:32,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 273 transitions. [2024-11-10 23:13:32,641 INFO L240 hiAutomatonCegarLoop]: Abstraction has 204 states and 273 transitions. [2024-11-10 23:13:32,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 23:13:32,645 INFO L425 stractBuchiCegarLoop]: Abstraction has 204 states and 273 transitions. [2024-11-10 23:13:32,646 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:13:32,646 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 204 states and 273 transitions. [2024-11-10 23:13:32,649 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 143 [2024-11-10 23:13:32,649 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:32,650 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:32,650 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:32,651 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:32,651 INFO L745 eck$LassoCheckResult]: Stem: 722#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 632#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret26#1, main_~retValue_acc~8#1, main_~tmp~5#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 590#L981 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 591#L974 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; 640#L989 assume true;main_#t~ret26#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret26#1;havoc main_#t~ret26#1; 641#L553 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 688#L527 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 660#L409 [2024-11-10 23:13:32,651 INFO L747 eck$LassoCheckResult]: Loop: 660#L409 assume true; 657#L409-1 assume !false;assume true; 658#L411 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet22#1;test_~tmp~4#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 574#L419 assume !(0 != test_~tmp~4#1); 576#L427 havoc test_#t~nondet23#1;test_~tmp___0~2#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 696#L429 assume !(0 != test_~tmp___0~2#1); 578#L437 havoc test_#t~nondet24#1;test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 579#L439 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 611#L385 assume true;assume { :end_inline_startSystem } true; 612#L456 assume { :begin_inline_timeShift } true; 716#L176-2 assume !(0 != ~pumpRunning~0); 649#L183-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 580#L234-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret9#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0#1; 582#L208-5 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 687#L200-11 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 639#L226-5 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret9#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 713#L252-2 assume true;havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 681#L191-2 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret27#1, __utac_acc__Specification1_spec__1_#t~ret28#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 682#L101-2 assume true;__utac_acc__Specification1_spec__1_#t~ret27#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret27#1;havoc __utac_acc__Specification1_spec__1_#t~ret27#1; 608#L575-2 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1); 610#L589-2 assume true;havoc __utac_acc__Specification1_spec__1_#t~ret27#1, __utac_acc__Specification1_spec__1_#t~ret28#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 659#L193-2 assume true;assume { :end_inline_timeShift } true; 660#L409 [2024-11-10 23:13:32,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:32,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1356334801, now seen corresponding path program 2 times [2024-11-10 23:13:32,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:32,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238744642] [2024-11-10 23:13:32,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:32,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:32,665 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:32,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:32,672 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:32,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:32,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1152300171, now seen corresponding path program 1 times [2024-11-10 23:13:32,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:32,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154147827] [2024-11-10 23:13:32,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:32,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:32,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:13:32,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:13:32,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:13:32,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154147827] [2024-11-10 23:13:32,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154147827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:13:32,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:13:32,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 23:13:32,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952167144] [2024-11-10 23:13:32,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:13:32,699 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:13:32,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:13:32,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:13:32,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:13:32,700 INFO L87 Difference]: Start difference. First operand 204 states and 273 transitions. cyclomatic complexity: 72 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:13:32,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:13:32,765 INFO L93 Difference]: Finished difference Result 254 states and 324 transitions. [2024-11-10 23:13:32,765 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 254 states and 324 transitions. [2024-11-10 23:13:32,766 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 182 [2024-11-10 23:13:32,769 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 254 states to 254 states and 324 transitions. [2024-11-10 23:13:32,771 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 254 [2024-11-10 23:13:32,772 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 254 [2024-11-10 23:13:32,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 254 states and 324 transitions. [2024-11-10 23:13:32,773 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:13:32,773 INFO L218 hiAutomatonCegarLoop]: Abstraction has 254 states and 324 transitions. [2024-11-10 23:13:32,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states and 324 transitions. [2024-11-10 23:13:32,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2024-11-10 23:13:32,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 254 states have (on average 1.2755905511811023) internal successors, (324), 253 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:13:32,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 324 transitions. [2024-11-10 23:13:32,789 INFO L240 hiAutomatonCegarLoop]: Abstraction has 254 states and 324 transitions. [2024-11-10 23:13:32,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:13:32,790 INFO L425 stractBuchiCegarLoop]: Abstraction has 254 states and 324 transitions. [2024-11-10 23:13:32,790 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-10 23:13:32,790 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 254 states and 324 transitions. [2024-11-10 23:13:32,791 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 182 [2024-11-10 23:13:32,791 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:32,791 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:32,792 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:32,792 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] [2024-11-10 23:13:32,792 INFO L745 eck$LassoCheckResult]: Stem: 1197#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 1095#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret26#1, main_~retValue_acc~8#1, main_~tmp~5#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 1051#L981 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1052#L974 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; 1104#L989 assume true;main_#t~ret26#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret26#1;havoc main_#t~ret26#1; 1105#L553 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 1153#L527 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1176#L409 [2024-11-10 23:13:32,792 INFO L747 eck$LassoCheckResult]: Loop: 1176#L409 assume true; 1199#L409-1 assume !false;assume true; 1136#L411 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet22#1;test_~tmp~4#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 1038#L419 assume !(0 != test_~tmp~4#1); 1040#L427 havoc test_#t~nondet23#1;test_~tmp___0~2#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 1163#L429 assume !(0 != test_~tmp___0~2#1); 1041#L437 havoc test_#t~nondet24#1;test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 1042#L439 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1074#L385 assume true;assume { :end_inline_startSystem } true; 1075#L456 assume { :begin_inline_timeShift } true; 1189#L176-2 assume !(0 != ~pumpRunning~0); 1112#L183-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 1043#L234-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret9#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0#1; 1044#L208-5 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret20#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~2#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~6#1;havoc isHighWaterLevel_~tmp~2#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1; 1152#L141-5 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; 1191#L146-5 assume true;isHighWaterLevel_#t~ret20#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~2#1 := isHighWaterLevel_#t~ret20#1;havoc isHighWaterLevel_#t~ret20#1; 1129#L336-5 assume 0 != isHighWaterLevel_~tmp~2#1;isHighWaterLevel_~tmp___0~0#1 := 0; 1098#L341-5 isHighWaterLevel_~retValue_acc~6#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; 1099#L342-5 assume true;processEnvironment__wrappee__highWaterSensor_#t~ret9#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret20#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~2#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0#1 := processEnvironment__wrappee__highWaterSensor_#t~ret9#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret9#1; 1195#L212-5 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1196#L200-10 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 1193#L226-5 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret9#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1184#L252-2 assume true;havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 1147#L191-2 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret27#1, __utac_acc__Specification1_spec__1_#t~ret28#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 1148#L101-2 assume true;__utac_acc__Specification1_spec__1_#t~ret27#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret27#1;havoc __utac_acc__Specification1_spec__1_#t~ret27#1; 1252#L575-2 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1); 1250#L589-2 assume true;havoc __utac_acc__Specification1_spec__1_#t~ret27#1, __utac_acc__Specification1_spec__1_#t~ret28#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 1249#L193-2 assume true;assume { :end_inline_timeShift } true; 1176#L409 [2024-11-10 23:13:32,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:32,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1356334801, now seen corresponding path program 3 times [2024-11-10 23:13:32,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:32,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447469432] [2024-11-10 23:13:32,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:32,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:32,804 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:32,814 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:32,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:32,814 INFO L85 PathProgramCache]: Analyzing trace with hash -2067413196, now seen corresponding path program 1 times [2024-11-10 23:13:32,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:32,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178137781] [2024-11-10 23:13:32,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:32,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:32,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:32,822 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:32,835 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:32,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:32,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1526116510, now seen corresponding path program 1 times [2024-11-10 23:13:32,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:32,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316710047] [2024-11-10 23:13:32,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:32,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:32,868 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:32,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:32,881 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:33,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:33,511 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:33,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:13:33 BoogieIcfgContainer [2024-11-10 23:13:33,552 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:13:33,552 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:13:33,552 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:13:33,552 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:13:33,553 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:31" (3/4) ... [2024-11-10 23:13:33,554 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 23:13:33,588 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 23:13:33,588 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:13:33,589 INFO L158 Benchmark]: Toolchain (without parser) took 2698.74ms. Allocated memory is still 178.3MB. Free memory was 110.0MB in the beginning and 115.9MB in the end (delta: -5.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:13:33,589 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory was 75.1MB in the beginning and 75.0MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:13:33,589 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.56ms. Allocated memory is still 178.3MB. Free memory was 109.7MB in the beginning and 88.3MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-10 23:13:33,589 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.43ms. Allocated memory is still 178.3MB. Free memory was 88.3MB in the beginning and 85.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:13:33,590 INFO L158 Benchmark]: Boogie Preprocessor took 46.78ms. Allocated memory is still 178.3MB. Free memory was 85.1MB in the beginning and 82.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:13:33,590 INFO L158 Benchmark]: IcfgBuilder took 585.06ms. Allocated memory is still 178.3MB. Free memory was 82.0MB in the beginning and 121.1MB in the end (delta: -39.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-10 23:13:33,590 INFO L158 Benchmark]: BuchiAutomizer took 1592.66ms. Allocated memory is still 178.3MB. Free memory was 121.1MB in the beginning and 119.0MB in the end (delta: 2.1MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2024-11-10 23:13:33,591 INFO L158 Benchmark]: Witness Printer took 36.08ms. Allocated memory is still 178.3MB. Free memory was 119.0MB in the beginning and 115.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:13:33,592 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory was 75.1MB in the beginning and 75.0MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 383.56ms. Allocated memory is still 178.3MB. Free memory was 109.7MB in the beginning and 88.3MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.43ms. Allocated memory is still 178.3MB. Free memory was 88.3MB in the beginning and 85.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.78ms. Allocated memory is still 178.3MB. Free memory was 85.1MB in the beginning and 82.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 585.06ms. Allocated memory is still 178.3MB. Free memory was 82.0MB in the beginning and 121.1MB in the end (delta: -39.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1592.66ms. Allocated memory is still 178.3MB. Free memory was 121.1MB in the beginning and 119.0MB in the end (delta: 2.1MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * Witness Printer took 36.08ms. Allocated memory is still 178.3MB. Free memory was 119.0MB in the beginning and 115.9MB 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 160]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [160] - GenericResultAtLocation [Line: 388]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [388] - GenericResultAtLocation [Line: 397]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [397] - GenericResultAtLocation [Line: 467]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [467] - GenericResultAtLocation [Line: 566]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [566] - GenericResultAtLocation [Line: 592]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [592] - GenericResultAtLocation [Line: 958]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [958] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 254 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 147 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, 731 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 731 mSDsluCounter, 1228 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 800 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69 IncrementalHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 428 mSDtfsCounter, 69 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 409]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L58] int waterLevel = 1; [L59] int methaneLevelCritical = 0; [L168] int pumpRunning = 0; [L169] int systemActive = 1; [L468] int cleanupTimeShifts = 4; [L762] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L544] int retValue_acc ; [L545] int tmp ; [L549] FCALL select_helpers() [L550] FCALL select_features() [L551] CALL, EXPR valid_product() [L985] int retValue_acc ; [L988] retValue_acc = 1 [L989] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L551] RET, EXPR valid_product() [L551] tmp = valid_product() [L553] COND TRUE \read(tmp) [L555] FCALL setup() [L556] CALL runTest() [L535] CALL test() [L400] int splverifierCounter ; [L401] int tmp ; [L402] int tmp___0 ; [L403] int tmp___1 ; [L404] int tmp___2 ; [L407] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L409] COND TRUE 1 [L411] COND TRUE splverifierCounter < 4 [L417] tmp = __VERIFIER_nondet_int() [L419] COND FALSE !(\read(tmp)) [L427] tmp___0 = __VERIFIER_nondet_int() [L429] COND FALSE !(\read(tmp___0)) [L437] tmp___2 = __VERIFIER_nondet_int() [L439] COND TRUE \read(tmp___2) [L441] CALL startSystem() [L384] systemActive = 1 [L441] RET startSystem() [L456] CALL timeShift() [L176] COND FALSE !(\read(pumpRunning)) [L183] COND TRUE \read(systemActive) [L185] CALL processEnvironment() [L231] int tmp ; [L234] COND FALSE !(\read(pumpRunning)) [L249] CALL processEnvironment__wrappee__highWaterSensor() [L205] int tmp ; [L208] COND TRUE ! pumpRunning [L210] CALL, EXPR isHighWaterLevel() [L328] int retValue_acc ; [L329] int tmp ; [L330] int tmp___0 ; [L334] CALL, EXPR isHighWaterSensorDry() [L138] int retValue_acc ; [L141] COND TRUE waterLevel < 2 [L142] retValue_acc = 1 [L143] return (retValue_acc); [L334] RET, EXPR isHighWaterSensorDry() [L334] tmp = isHighWaterSensorDry() [L336] COND TRUE \read(tmp) [L337] tmp___0 = 0 [L341] retValue_acc = tmp___0 [L342] return (retValue_acc); [L210] RET, EXPR isHighWaterLevel() [L210] tmp = isHighWaterLevel() [L212] COND FALSE !(\read(tmp)) [L218] FCALL processEnvironment__wrappee__base() [L249] RET processEnvironment__wrappee__highWaterSensor() [L185] RET processEnvironment() [L191] CALL __utac_acc__Specification1_spec__1() [L568] int tmp ; [L569] int tmp___0 ; [L573] CALL, EXPR isMethaneLevelCritical() [L97] int retValue_acc ; [L100] retValue_acc = methaneLevelCritical [L101] return (retValue_acc); [L573] RET, EXPR isMethaneLevelCritical() [L573] tmp = isMethaneLevelCritical() [L575] COND FALSE !(\read(tmp)) [L191] RET __utac_acc__Specification1_spec__1() [L456] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 409]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L58] int waterLevel = 1; [L59] int methaneLevelCritical = 0; [L168] int pumpRunning = 0; [L169] int systemActive = 1; [L468] int cleanupTimeShifts = 4; [L762] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L544] int retValue_acc ; [L545] int tmp ; [L549] FCALL select_helpers() [L550] FCALL select_features() [L551] CALL, EXPR valid_product() [L985] int retValue_acc ; [L988] retValue_acc = 1 [L989] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L551] RET, EXPR valid_product() [L551] tmp = valid_product() [L553] COND TRUE \read(tmp) [L555] FCALL setup() [L556] CALL runTest() [L535] CALL test() [L400] int splverifierCounter ; [L401] int tmp ; [L402] int tmp___0 ; [L403] int tmp___1 ; [L404] int tmp___2 ; [L407] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L409] COND TRUE 1 [L411] COND TRUE splverifierCounter < 4 [L417] tmp = __VERIFIER_nondet_int() [L419] COND FALSE !(\read(tmp)) [L427] tmp___0 = __VERIFIER_nondet_int() [L429] COND FALSE !(\read(tmp___0)) [L437] tmp___2 = __VERIFIER_nondet_int() [L439] COND TRUE \read(tmp___2) [L441] CALL startSystem() [L384] systemActive = 1 [L441] RET startSystem() [L456] CALL timeShift() [L176] COND FALSE !(\read(pumpRunning)) [L183] COND TRUE \read(systemActive) [L185] CALL processEnvironment() [L231] int tmp ; [L234] COND FALSE !(\read(pumpRunning)) [L249] CALL processEnvironment__wrappee__highWaterSensor() [L205] int tmp ; [L208] COND TRUE ! pumpRunning [L210] CALL, EXPR isHighWaterLevel() [L328] int retValue_acc ; [L329] int tmp ; [L330] int tmp___0 ; [L334] CALL, EXPR isHighWaterSensorDry() [L138] int retValue_acc ; [L141] COND TRUE waterLevel < 2 [L142] retValue_acc = 1 [L143] return (retValue_acc); [L334] RET, EXPR isHighWaterSensorDry() [L334] tmp = isHighWaterSensorDry() [L336] COND TRUE \read(tmp) [L337] tmp___0 = 0 [L341] retValue_acc = tmp___0 [L342] return (retValue_acc); [L210] RET, EXPR isHighWaterLevel() [L210] tmp = isHighWaterLevel() [L212] COND FALSE !(\read(tmp)) [L218] FCALL processEnvironment__wrappee__base() [L249] RET processEnvironment__wrappee__highWaterSensor() [L185] RET processEnvironment() [L191] CALL __utac_acc__Specification1_spec__1() [L568] int tmp ; [L569] int tmp___0 ; [L573] CALL, EXPR isMethaneLevelCritical() [L97] int retValue_acc ; [L100] retValue_acc = methaneLevelCritical [L101] return (retValue_acc); [L573] RET, EXPR isMethaneLevelCritical() [L573] tmp = isMethaneLevelCritical() [L575] COND FALSE !(\read(tmp)) [L191] RET __utac_acc__Specification1_spec__1() [L456] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-10 23:13:33,615 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)