./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product51.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_spec4_product51.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 2165aefdca75c2370f155996346c5c4ea8ed352d96946243b70bd7ef162ab29f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:15:38,276 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:15:38,366 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:15:38,372 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:15:38,382 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:15:38,382 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:15:38,415 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:15:38,417 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:15:38,418 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:15:38,419 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:15:38,420 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:15:38,421 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:15:38,421 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:15:38,421 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:15:38,425 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:15:38,426 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:15:38,426 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:15:38,426 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:15:38,426 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:15:38,426 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:15:38,426 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:15:38,427 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:15:38,427 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:15:38,427 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:15:38,428 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:15:38,428 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:15:38,428 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:15:38,428 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:15:38,428 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:15:38,428 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:15:38,429 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:15:38,429 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:15:38,429 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:15:38,429 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:15:38,429 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:15:38,429 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:15:38,430 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:15:38,430 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:15:38,431 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:15:38,432 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:15:38,432 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2165aefdca75c2370f155996346c5c4ea8ed352d96946243b70bd7ef162ab29f [2024-11-10 23:15:38,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:15:38,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:15:38,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:15:38,732 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:15:38,732 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:15:38,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c [2024-11-10 23:15:40,265 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:15:40,574 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:15:40,574 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c [2024-11-10 23:15:40,586 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeff42b40/a62e85c464d54e22b252bab2f0fcde43/FLAG78c3e4eb8 [2024-11-10 23:15:40,598 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeff42b40/a62e85c464d54e22b252bab2f0fcde43 [2024-11-10 23:15:40,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:15:40,602 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:15:40,603 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:15:40,603 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:15:40,607 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:15:40,608 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:15:40" (1/1) ... [2024-11-10 23:15:40,609 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ea4ad0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:40, skipping insertion in model container [2024-11-10 23:15:40,609 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:15:40" (1/1) ... [2024-11-10 23:15:40,655 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:15:40,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:15:41,010 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:15:41,020 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-11-10 23:15:41,022 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [153] [2024-11-10 23:15:41,023 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [182] [2024-11-10 23:15:41,023 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [290] [2024-11-10 23:15:41,023 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [325] [2024-11-10 23:15:41,023 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [540] [2024-11-10 23:15:41,023 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [607] [2024-11-10 23:15:41,024 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [616] [2024-11-10 23:15:41,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:15:41,106 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:15:41,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:41 WrapperNode [2024-11-10 23:15:41,107 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:15:41,108 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:15:41,108 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:15:41,108 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:15:41,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:41" (1/1) ... [2024-11-10 23:15:41,131 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:41" (1/1) ... [2024-11-10 23:15:41,173 INFO L138 Inliner]: procedures = 56, calls = 101, calls flagged for inlining = 54, calls inlined = 82, statements flattened = 554 [2024-11-10 23:15:41,174 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:15:41,175 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:15:41,175 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:15:41,175 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:15:41,185 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:41" (1/1) ... [2024-11-10 23:15:41,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:41" (1/1) ... [2024-11-10 23:15:41,189 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:41" (1/1) ... [2024-11-10 23:15:41,211 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 23:15:41,216 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:41" (1/1) ... [2024-11-10 23:15:41,216 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:41" (1/1) ... [2024-11-10 23:15:41,229 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:41" (1/1) ... [2024-11-10 23:15:41,231 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:41" (1/1) ... [2024-11-10 23:15:41,232 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:41" (1/1) ... [2024-11-10 23:15:41,234 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:41" (1/1) ... [2024-11-10 23:15:41,241 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:15:41,242 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:15:41,242 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:15:41,242 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:15:41,243 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:41" (1/1) ... [2024-11-10 23:15:41,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:15:41,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:15:41,287 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:15:41,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-10 23:15:41,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:15:41,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:15:41,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:15:41,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:15:41,435 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:15:41,437 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:15:41,903 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L448-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; [2024-11-10 23:15:41,903 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L448-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; [2024-11-10 23:15:41,903 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L448-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; [2024-11-10 23:15:41,903 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L287-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~4#1; [2024-11-10 23:15:41,903 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L287-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~4#1; [2024-11-10 23:15:41,903 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L287-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~4#1; [2024-11-10 23:15:41,903 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L503-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2024-11-10 23:15:41,903 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L503-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2024-11-10 23:15:41,903 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L503-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2024-11-10 23:15:41,904 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L503-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2024-11-10 23:15:41,904 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L503-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2024-11-10 23:15:41,904 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L503-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2024-11-10 23:15:41,904 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L322-1: valid_product_#res#1 := valid_product_~retValue_acc~6#1; [2024-11-10 23:15:41,904 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L522-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~10#1; [2024-11-10 23:15:41,904 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L522-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~10#1; [2024-11-10 23:15:41,904 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L522-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~10#1; [2024-11-10 23:15:41,904 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L278-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2024-11-10 23:15:41,904 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L278-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2024-11-10 23:15:41,904 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L278-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2024-11-10 23:15:41,905 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L278-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2024-11-10 23:15:41,905 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L278-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2024-11-10 23:15:41,905 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L278-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2024-11-10 23:15:41,905 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L264-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; [2024-11-10 23:15:41,905 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L264-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; [2024-11-10 23:15:41,906 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L264-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; [2024-11-10 23:15:41,906 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L150-1: main_#res#1 := main_~retValue_acc~0#1; [2024-11-10 23:15:41,952 INFO L? ?]: Removed 130 outVars from TransFormulas that were not future-live. [2024-11-10 23:15:41,952 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:15:41,972 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:15:41,974 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:15:41,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:15:41 BoogieIcfgContainer [2024-11-10 23:15:41,975 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:15:41,976 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:15:41,977 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:15:41,980 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:15:41,981 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:15:41,982 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:15:40" (1/3) ... [2024-11-10 23:15:41,982 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66f39ad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:15:41, skipping insertion in model container [2024-11-10 23:15:41,983 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:15:41,983 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:41" (2/3) ... [2024-11-10 23:15:41,983 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66f39ad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:15:41, skipping insertion in model container [2024-11-10 23:15:41,984 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:15:41,984 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:15:41" (3/3) ... [2024-11-10 23:15:41,985 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product51.cil.c [2024-11-10 23:15:42,048 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:15:42,048 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:15:42,049 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:15:42,049 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:15:42,049 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:15:42,049 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:15:42,049 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:15:42,049 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:15:42,054 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 169 states, 168 states have (on average 1.369047619047619) internal successors, (230), 168 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:15:42,075 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 109 [2024-11-10 23:15:42,075 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:42,076 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:42,083 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:42,083 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:42,083 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:15:42,084 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 169 states, 168 states have (on average 1.369047619047619) internal successors, (230), 168 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:15:42,091 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 109 [2024-11-10 23:15:42,093 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:42,093 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:42,094 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:42,094 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:42,098 INFO L745 eck$LassoCheckResult]: Stem: 148#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 34#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 30#L313true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 161#L306true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 79#L321true assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 73#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 142#L113true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 40#L551true [2024-11-10 23:15:42,099 INFO L747 eck$LassoCheckResult]: Loop: 40#L551true assume true; 25#L551-1true assume !false;assume true; 92#L553true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet26#1;test_~tmp~6#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 84#L561true assume !(0 != test_~tmp~6#1); 46#L569true havoc test_#t~nondet27#1;test_~tmp___0~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 150#L571true assume !(0 != test_~tmp___0~3#1); 12#L579true havoc test_#t~nondet28#1;test_~tmp___2~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 167#L581true assume 0 != test_~tmp___2~0#1; 59#L596true assume { :begin_inline_timeShift } true; 95#L336-2true assume !(0 != ~pumpRunning~0); 74#L343-2true assume !(0 != ~systemActive~0); 168#L351-2true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 120#L263-2true assume true;__utac_acc__Specification4_spec__1_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret5#1;havoc __utac_acc__Specification4_spec__1_#t~ret5#1; 29#L165-2true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 26#L179-2true assume true;havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 130#L353-2true assume true;assume { :end_inline_timeShift } true; 40#L551true [2024-11-10 23:15:42,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:42,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1104458221, now seen corresponding path program 1 times [2024-11-10 23:15:42,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:42,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376723974] [2024-11-10 23:15:42,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:42,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:42,217 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:42,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:42,256 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:42,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:42,259 INFO L85 PathProgramCache]: Analyzing trace with hash 186992396, now seen corresponding path program 1 times [2024-11-10 23:15:42,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:42,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760114182] [2024-11-10 23:15:42,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:42,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:42,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:42,270 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:42,277 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:42,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:42,279 INFO L85 PathProgramCache]: Analyzing trace with hash -200236808, now seen corresponding path program 1 times [2024-11-10 23:15:42,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:42,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643312866] [2024-11-10 23:15:42,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:42,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:15:42,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:15:42,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:15:42,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643312866] [2024-11-10 23:15:42,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643312866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:15:42,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:15:42,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 23:15:42,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169082133] [2024-11-10 23:15:42,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:15:42,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:15:42,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:15:42,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:15:42,621 INFO L87 Difference]: Start difference. First operand has 169 states, 168 states have (on average 1.369047619047619) internal successors, (230), 168 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:15:42,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:15:42,703 INFO L93 Difference]: Finished difference Result 318 states and 422 transitions. [2024-11-10 23:15:42,705 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 318 states and 422 transitions. [2024-11-10 23:15:42,711 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 202 [2024-11-10 23:15:42,718 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 318 states to 296 states and 399 transitions. [2024-11-10 23:15:42,719 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 296 [2024-11-10 23:15:42,720 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 296 [2024-11-10 23:15:42,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 296 states and 399 transitions. [2024-11-10 23:15:42,723 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:15:42,723 INFO L218 hiAutomatonCegarLoop]: Abstraction has 296 states and 399 transitions. [2024-11-10 23:15:42,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states and 399 transitions. [2024-11-10 23:15:42,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 293. [2024-11-10 23:15:42,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 293 states have (on average 1.348122866894198) internal successors, (395), 292 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:15:42,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 395 transitions. [2024-11-10 23:15:42,770 INFO L240 hiAutomatonCegarLoop]: Abstraction has 293 states and 395 transitions. [2024-11-10 23:15:42,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:15:42,775 INFO L425 stractBuchiCegarLoop]: Abstraction has 293 states and 395 transitions. [2024-11-10 23:15:42,775 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:15:42,775 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 293 states and 395 transitions. [2024-11-10 23:15:42,778 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 202 [2024-11-10 23:15:42,779 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:42,779 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:42,779 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:42,779 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] [2024-11-10 23:15:42,780 INFO L745 eck$LassoCheckResult]: Stem: 662#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 555#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 548#L313 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 549#L306 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 607#L321 assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 600#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 601#L113 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 658#L551 [2024-11-10 23:15:42,780 INFO L747 eck$LassoCheckResult]: Loop: 658#L551 assume true; 707#L551-1 assume !false;assume true; 704#L553 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet26#1;test_~tmp~6#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 705#L561 assume !(0 != test_~tmp~6#1); 779#L569 havoc test_#t~nondet27#1;test_~tmp___0~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 777#L571 assume !(0 != test_~tmp___0~3#1); 775#L579 havoc test_#t~nondet28#1;test_~tmp___2~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 774#L581 assume 0 != test_~tmp___2~0#1; 772#L596 assume { :begin_inline_timeShift } true; 771#L336-2 assume !(0 != ~pumpRunning~0); 769#L343-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 766#L394-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2#1; 767#L368-5 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 784#L360-11 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 753#L386-5 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 752#L412-2 assume true;havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true; 751#L351-2 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 643#L263-2 assume true;__utac_acc__Specification4_spec__1_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret5#1;havoc __utac_acc__Specification4_spec__1_#t~ret5#1; 546#L165-2 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 540#L179-2 assume true;havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 541#L353-2 assume true;assume { :end_inline_timeShift } true; 658#L551 [2024-11-10 23:15:42,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:42,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1104458221, now seen corresponding path program 2 times [2024-11-10 23:15:42,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:42,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384429360] [2024-11-10 23:15:42,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:42,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:42,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:42,792 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:42,802 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:42,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:42,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1029588648, now seen corresponding path program 1 times [2024-11-10 23:15:42,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:42,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487039887] [2024-11-10 23:15:42,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:42,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:42,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:15:42,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:15:42,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:15:42,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487039887] [2024-11-10 23:15:42,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487039887] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:15:42,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:15:42,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 23:15:42,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211708273] [2024-11-10 23:15:42,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:15:42,841 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:15:42,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:15:42,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:15:42,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:15:42,843 INFO L87 Difference]: Start difference. First operand 293 states and 395 transitions. cyclomatic complexity: 106 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:15:42,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:15:42,947 INFO L93 Difference]: Finished difference Result 402 states and 521 transitions. [2024-11-10 23:15:42,947 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 402 states and 521 transitions. [2024-11-10 23:15:42,950 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 285 [2024-11-10 23:15:42,952 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 402 states to 402 states and 521 transitions. [2024-11-10 23:15:42,953 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 402 [2024-11-10 23:15:42,958 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 402 [2024-11-10 23:15:42,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 402 states and 521 transitions. [2024-11-10 23:15:42,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:15:42,960 INFO L218 hiAutomatonCegarLoop]: Abstraction has 402 states and 521 transitions. [2024-11-10 23:15:42,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states and 521 transitions. [2024-11-10 23:15:42,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 402. [2024-11-10 23:15:42,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 402 states have (on average 1.2960199004975124) internal successors, (521), 401 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:15:42,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 521 transitions. [2024-11-10 23:15:42,982 INFO L240 hiAutomatonCegarLoop]: Abstraction has 402 states and 521 transitions. [2024-11-10 23:15:42,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:15:42,984 INFO L425 stractBuchiCegarLoop]: Abstraction has 402 states and 521 transitions. [2024-11-10 23:15:42,986 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-10 23:15:42,987 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 402 states and 521 transitions. [2024-11-10 23:15:42,989 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 285 [2024-11-10 23:15:42,989 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:42,989 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:42,991 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:42,991 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] [2024-11-10 23:15:42,991 INFO L745 eck$LassoCheckResult]: Stem: 1379#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 1258#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 1251#L313 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1252#L306 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 1315#L321 assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 1306#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1307#L113 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1262#L551 [2024-11-10 23:15:42,992 INFO L747 eck$LassoCheckResult]: Loop: 1262#L551 assume true; 1239#L551-1 assume !false;assume true; 1240#L553 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet26#1;test_~tmp~6#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 1482#L561 assume !(0 != test_~tmp~6#1); 1481#L569 havoc test_#t~nondet27#1;test_~tmp___0~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 1382#L571 assume !(0 != test_~tmp___0~3#1); 1317#L579 havoc test_#t~nondet28#1;test_~tmp___2~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 1394#L581 assume 0 != test_~tmp___2~0#1; 1292#L596 assume { :begin_inline_timeShift } true; 1293#L336-2 assume !(0 != ~pumpRunning~0); 1448#L343-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 1476#L394-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2#1; 1474#L368-5 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret24#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~9#1;havoc isHighWaterLevel_~tmp~4#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~3#1;havoc isHighWaterSensorDry_~retValue_acc~3#1; 1472#L271-5 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~3#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; 1469#L276-5 assume true;isHighWaterLevel_#t~ret24#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~3#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret24#1;havoc isHighWaterLevel_#t~ret24#1; 1466#L496-5 assume 0 != isHighWaterLevel_~tmp~4#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1232#L501-5 isHighWaterLevel_~retValue_acc~9#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; 1199#L502-5 assume true;processEnvironment__wrappee__highWaterSensor_#t~ret13#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret24#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~2#1 := processEnvironment__wrappee__highWaterSensor_#t~ret13#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1; 1200#L372-5 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1259#L360-10 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 1260#L386-5 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1299#L412-2 assume true;havoc processEnvironment_#t~ret14#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true; 1300#L351-2 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 1353#L263-2 assume true;__utac_acc__Specification4_spec__1_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret5#1;havoc __utac_acc__Specification4_spec__1_#t~ret5#1; 1354#L165-2 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 1241#L179-2 assume true;havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 1242#L353-2 assume true;assume { :end_inline_timeShift } true; 1262#L551 [2024-11-10 23:15:42,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:42,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1104458221, now seen corresponding path program 3 times [2024-11-10 23:15:42,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:42,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113045700] [2024-11-10 23:15:42,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:42,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:43,002 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:43,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:43,012 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:43,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:43,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1242861457, now seen corresponding path program 1 times [2024-11-10 23:15:43,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:43,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769593672] [2024-11-10 23:15:43,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:43,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:43,024 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:43,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:43,035 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:43,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:43,037 INFO L85 PathProgramCache]: Analyzing trace with hash 176949797, now seen corresponding path program 1 times [2024-11-10 23:15:43,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:43,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466027261] [2024-11-10 23:15:43,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:43,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:43,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:43,059 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:43,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:43,086 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:44,003 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:44,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:15:44 BoogieIcfgContainer [2024-11-10 23:15:44,073 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:15:44,074 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:15:44,074 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:15:44,074 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:15:44,077 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:15:41" (3/4) ... [2024-11-10 23:15:44,079 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 23:15:44,137 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 23:15:44,138 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:15:44,138 INFO L158 Benchmark]: Toolchain (without parser) took 3536.79ms. Allocated memory is still 169.9MB. Free memory was 138.7MB in the beginning and 88.9MB in the end (delta: 49.9MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2024-11-10 23:15:44,139 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 127.9MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:15:44,139 INFO L158 Benchmark]: CACSL2BoogieTranslator took 504.30ms. Allocated memory is still 169.9MB. Free memory was 138.7MB in the beginning and 117.2MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-10 23:15:44,139 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.36ms. Allocated memory is still 169.9MB. Free memory was 117.2MB in the beginning and 114.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:15:44,140 INFO L158 Benchmark]: Boogie Preprocessor took 66.78ms. Allocated memory is still 169.9MB. Free memory was 113.6MB in the beginning and 111.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:15:44,140 INFO L158 Benchmark]: IcfgBuilder took 733.11ms. Allocated memory is still 169.9MB. Free memory was 111.0MB in the beginning and 135.2MB in the end (delta: -24.2MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. [2024-11-10 23:15:44,141 INFO L158 Benchmark]: BuchiAutomizer took 2096.67ms. Allocated memory is still 169.9MB. Free memory was 134.8MB in the beginning and 91.0MB in the end (delta: 43.9MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2024-11-10 23:15:44,141 INFO L158 Benchmark]: Witness Printer took 64.24ms. Allocated memory is still 169.9MB. Free memory was 91.0MB in the beginning and 88.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:15:44,142 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 127.9MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 504.30ms. Allocated memory is still 169.9MB. Free memory was 138.7MB in the beginning and 117.2MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.36ms. Allocated memory is still 169.9MB. Free memory was 117.2MB in the beginning and 114.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.78ms. Allocated memory is still 169.9MB. Free memory was 113.6MB in the beginning and 111.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 733.11ms. Allocated memory is still 169.9MB. Free memory was 111.0MB in the beginning and 135.2MB in the end (delta: -24.2MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2096.67ms. Allocated memory is still 169.9MB. Free memory was 134.8MB in the beginning and 91.0MB in the end (delta: 43.9MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. * Witness Printer took 64.24ms. Allocated memory is still 169.9MB. Free memory was 91.0MB in the beginning and 88.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [153] - GenericResultAtLocation [Line: 182]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [182] - GenericResultAtLocation [Line: 290]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [290] - GenericResultAtLocation [Line: 325]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [325] - GenericResultAtLocation [Line: 540]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [540] - GenericResultAtLocation [Line: 607]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [607] - GenericResultAtLocation [Line: 616]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [616] * 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 3 locations. The remainder module has 402 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 331 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 331 mSDsluCounter, 728 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 299 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 429 mSDtfsCounter, 41 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: 551]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L188] int waterLevel = 1; [L189] int methaneLevelCritical = 0; [L329] int pumpRunning = 0; [L330] int systemActive = 1; [L786] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L317] int retValue_acc ; [L320] retValue_acc = 1 [L321] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L542] int splverifierCounter ; [L543] int tmp ; [L544] int tmp___0 ; [L545] int tmp___1 ; [L546] int tmp___2 ; [L549] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L551] COND TRUE 1 [L553] COND TRUE splverifierCounter < 4 [L559] tmp = __VERIFIER_nondet_int() [L561] COND FALSE !(\read(tmp)) [L569] tmp___0 = __VERIFIER_nondet_int() [L571] COND FALSE !(\read(tmp___0)) [L579] tmp___2 = __VERIFIER_nondet_int() [L581] COND TRUE \read(tmp___2) [L596] CALL timeShift() [L336] COND FALSE !(\read(pumpRunning)) [L343] COND TRUE \read(systemActive) [L345] CALL processEnvironment() [L391] int tmp ; [L394] COND FALSE !(\read(pumpRunning)) [L409] CALL processEnvironment__wrappee__highWaterSensor() [L365] int tmp ; [L368] COND TRUE ! pumpRunning [L370] CALL, EXPR isHighWaterLevel() [L488] int retValue_acc ; [L489] int tmp ; [L490] int tmp___0 ; [L494] CALL, EXPR isHighWaterSensorDry() [L268] int retValue_acc ; [L271] COND TRUE waterLevel < 2 [L272] retValue_acc = 1 [L273] return (retValue_acc); [L494] RET, EXPR isHighWaterSensorDry() [L494] tmp = isHighWaterSensorDry() [L496] COND TRUE \read(tmp) [L497] tmp___0 = 0 [L501] retValue_acc = tmp___0 [L502] return (retValue_acc); [L370] RET, EXPR isHighWaterLevel() [L370] tmp = isHighWaterLevel() [L372] COND FALSE !(\read(tmp)) [L378] FCALL processEnvironment__wrappee__base() [L409] RET processEnvironment__wrappee__highWaterSensor() [L345] RET processEnvironment() [L351] CALL __utac_acc__Specification4_spec__1() [L158] int tmp ; [L159] int tmp___0 ; [L163] CALL, EXPR getWaterLevel() [L259] int retValue_acc ; [L262] retValue_acc = waterLevel [L263] return (retValue_acc); [L163] RET, EXPR getWaterLevel() [L163] tmp = getWaterLevel() [L165] COND FALSE !(tmp == 0) [L351] RET __utac_acc__Specification4_spec__1() [L596] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 551]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L188] int waterLevel = 1; [L189] int methaneLevelCritical = 0; [L329] int pumpRunning = 0; [L330] int systemActive = 1; [L786] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L317] int retValue_acc ; [L320] retValue_acc = 1 [L321] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L542] int splverifierCounter ; [L543] int tmp ; [L544] int tmp___0 ; [L545] int tmp___1 ; [L546] int tmp___2 ; [L549] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L551] COND TRUE 1 [L553] COND TRUE splverifierCounter < 4 [L559] tmp = __VERIFIER_nondet_int() [L561] COND FALSE !(\read(tmp)) [L569] tmp___0 = __VERIFIER_nondet_int() [L571] COND FALSE !(\read(tmp___0)) [L579] tmp___2 = __VERIFIER_nondet_int() [L581] COND TRUE \read(tmp___2) [L596] CALL timeShift() [L336] COND FALSE !(\read(pumpRunning)) [L343] COND TRUE \read(systemActive) [L345] CALL processEnvironment() [L391] int tmp ; [L394] COND FALSE !(\read(pumpRunning)) [L409] CALL processEnvironment__wrappee__highWaterSensor() [L365] int tmp ; [L368] COND TRUE ! pumpRunning [L370] CALL, EXPR isHighWaterLevel() [L488] int retValue_acc ; [L489] int tmp ; [L490] int tmp___0 ; [L494] CALL, EXPR isHighWaterSensorDry() [L268] int retValue_acc ; [L271] COND TRUE waterLevel < 2 [L272] retValue_acc = 1 [L273] return (retValue_acc); [L494] RET, EXPR isHighWaterSensorDry() [L494] tmp = isHighWaterSensorDry() [L496] COND TRUE \read(tmp) [L497] tmp___0 = 0 [L501] retValue_acc = tmp___0 [L502] return (retValue_acc); [L370] RET, EXPR isHighWaterLevel() [L370] tmp = isHighWaterLevel() [L372] COND FALSE !(\read(tmp)) [L378] FCALL processEnvironment__wrappee__base() [L409] RET processEnvironment__wrappee__highWaterSensor() [L345] RET processEnvironment() [L351] CALL __utac_acc__Specification4_spec__1() [L158] int tmp ; [L159] int tmp___0 ; [L163] CALL, EXPR getWaterLevel() [L259] int retValue_acc ; [L262] retValue_acc = waterLevel [L263] return (retValue_acc); [L163] RET, EXPR getWaterLevel() [L163] tmp = getWaterLevel() [L165] COND FALSE !(tmp == 0) [L351] RET __utac_acc__Specification4_spec__1() [L596] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-10 23:15:44,175 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)