./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3289d67d 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_product49.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 dcab8ddabad39d2c77c9d9341cfb89acc265e09aeb5bde0419f381c4b7bb75b6 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:48:01,801 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:48:01,846 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-17 08:48:01,851 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:48:01,851 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:48:01,851 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:48:01,868 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:48:01,868 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:48:01,869 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:48:01,869 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:48:01,869 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:48:01,870 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:48:01,870 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:48:01,870 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:48:01,871 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:48:01,871 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:48:01,871 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:48:01,871 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:48:01,872 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:48:01,872 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:48:01,872 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:48:01,873 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:48:01,873 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 08:48:01,873 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:48:01,874 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 08:48:01,874 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:48:01,874 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:48:01,874 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:48:01,874 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:48:01,875 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:48:01,875 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:48:01,875 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 08:48:01,875 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:48:01,875 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:48:01,875 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:48:01,876 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:48:01,876 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:48:01,876 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:48:01,877 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:48:01,877 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:48:01,877 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dcab8ddabad39d2c77c9d9341cfb89acc265e09aeb5bde0419f381c4b7bb75b6 [2024-11-17 08:48:02,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:48:02,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:48:02,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:48:02,134 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:48:02,134 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:48:02,135 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c [2024-11-17 08:48:03,514 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:48:03,734 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:48:03,737 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c [2024-11-17 08:48:03,754 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c5962a02/f0fbd099acd046b9847044024cc12480/FLAG68e651d54 [2024-11-17 08:48:03,767 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c5962a02/f0fbd099acd046b9847044024cc12480 [2024-11-17 08:48:03,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:48:03,773 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:48:03,775 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:48:03,775 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:48:03,779 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:48:03,780 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:48:03" (1/1) ... [2024-11-17 08:48:03,781 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6954c646 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:03, skipping insertion in model container [2024-11-17 08:48:03,781 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:48:03" (1/1) ... [2024-11-17 08:48:03,820 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:48:04,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:48:04,104 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:48:04,113 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-11-17 08:48:04,114 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [58] [2024-11-17 08:48:04,115 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [169] [2024-11-17 08:48:04,115 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [271] [2024-11-17 08:48:04,115 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [472] [2024-11-17 08:48:04,115 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [537] [2024-11-17 08:48:04,115 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [572] [2024-11-17 08:48:04,115 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [598] [2024-11-17 08:48:04,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:48:04,191 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:48:04,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:04 WrapperNode [2024-11-17 08:48:04,191 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:48:04,192 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:48:04,192 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:48:04,192 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:48:04,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:04" (1/1) ... [2024-11-17 08:48:04,218 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:04" (1/1) ... [2024-11-17 08:48:04,261 INFO L138 Inliner]: procedures = 55, calls = 99, calls flagged for inlining = 52, calls inlined = 80, statements flattened = 547 [2024-11-17 08:48:04,263 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:48:04,264 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:48:04,264 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:48:04,264 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:48:04,273 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:04" (1/1) ... [2024-11-17 08:48:04,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:04" (1/1) ... [2024-11-17 08:48:04,278 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:04" (1/1) ... [2024-11-17 08:48:04,305 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]. [2024-11-17 08:48:04,309 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:04" (1/1) ... [2024-11-17 08:48:04,310 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:04" (1/1) ... [2024-11-17 08:48:04,318 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:04" (1/1) ... [2024-11-17 08:48:04,323 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:04" (1/1) ... [2024-11-17 08:48:04,328 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:04" (1/1) ... [2024-11-17 08:48:04,330 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:04" (1/1) ... [2024-11-17 08:48:04,336 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:48:04,337 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:48:04,338 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:48:04,338 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:48:04,338 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:04" (1/1) ... [2024-11-17 08:48:04,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:48:04,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:48:04,381 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) [2024-11-17 08:48:04,384 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 [2024-11-17 08:48:04,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 08:48:04,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 08:48:04,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:48:04,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:48:04,530 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:48:04,532 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:48:05,048 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L268-1: main_#res#1 := main_~retValue_acc~4#1; [2024-11-17 08:48:05,048 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L450-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2024-11-17 08:48:05,048 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L450-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2024-11-17 08:48:05,048 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L450-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2024-11-17 08:48:05,048 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L450-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2024-11-17 08:48:05,049 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L450-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2024-11-17 08:48:05,049 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L450-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2024-11-17 08:48:05,049 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L469-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~8#1; [2024-11-17 08:48:05,049 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L469-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~8#1; [2024-11-17 08:48:05,049 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L469-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~8#1; [2024-11-17 08:48:05,049 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L569-1: valid_product_#res#1 := valid_product_~retValue_acc~10#1; [2024-11-17 08:48:05,049 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L157-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; [2024-11-17 08:48:05,049 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L157-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; [2024-11-17 08:48:05,049 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L157-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; [2024-11-17 08:48:05,049 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L157-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; [2024-11-17 08:48:05,050 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L157-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; [2024-11-17 08:48:05,050 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L157-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; [2024-11-17 08:48:05,050 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L143-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; [2024-11-17 08:48:05,050 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L143-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; [2024-11-17 08:48:05,050 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L143-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; [2024-11-17 08:48:05,050 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L395-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; [2024-11-17 08:48:05,050 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L395-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; [2024-11-17 08:48:05,050 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L395-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; [2024-11-17 08:48:05,050 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L166-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~3#1; [2024-11-17 08:48:05,050 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L166-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~3#1; [2024-11-17 08:48:05,051 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L166-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~3#1; [2024-11-17 08:48:05,112 INFO L? ?]: Removed 130 outVars from TransFormulas that were not future-live. [2024-11-17 08:48:05,112 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:48:05,139 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:48:05,139 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:48:05,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:48:05 BoogieIcfgContainer [2024-11-17 08:48:05,139 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:48:05,145 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:48:05,145 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:48:05,150 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:48:05,154 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:48:05,154 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:48:03" (1/3) ... [2024-11-17 08:48:05,155 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45623add and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:48:05, skipping insertion in model container [2024-11-17 08:48:05,156 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:48:05,156 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:04" (2/3) ... [2024-11-17 08:48:05,160 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45623add and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:48:05, skipping insertion in model container [2024-11-17 08:48:05,160 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:48:05,160 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:48:05" (3/3) ... [2024-11-17 08:48:05,161 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product49.cil.c [2024-11-17 08:48:05,233 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:48:05,233 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:48:05,233 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:48:05,233 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:48:05,233 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:48:05,233 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:48:05,233 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:48:05,234 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:48:05,239 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 167 states, 166 states have (on average 1.3674698795180722) internal successors, (227), 166 states have internal predecessors, (227), 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) [2024-11-17 08:48:05,272 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 107 [2024-11-17 08:48:05,272 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:05,272 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:05,282 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:05,283 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:05,283 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:48:05,285 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 167 states, 166 states have (on average 1.3674698795180722) internal successors, (227), 166 states have internal predecessors, (227), 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) [2024-11-17 08:48:05,299 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 107 [2024-11-17 08:48:05,299 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:05,299 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:05,300 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:05,302 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:05,311 INFO L745 eck$LassoCheckResult]: Stem: 150#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 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~ret9#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 24#L560true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 92#L553true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1; 167#L568true assume true;main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 40#L258true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 93#L231true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 131#L483true [2024-11-17 08:48:05,311 INFO L747 eck$LassoCheckResult]: Loop: 131#L483true assume true; 100#L483-1true assume !false; 65#test_while_1_continue#1true assume true; 112#L485true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet23#1;test_~tmp~5#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 16#L493true assume !(0 != test_~tmp~5#1); 55#L501true havoc test_#t~nondet24#1;test_~tmp___0~2#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 75#L503true assume !(0 != test_~tmp___0~2#1); 83#L511true havoc test_#t~nondet25#1;test_~tmp___2~0#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 119#L513true assume 0 != test_~tmp___2~0#1; 113#L526true assume { :begin_inline_timeShift } true; 18#L283-2true assume !(0 != ~pumpRunning~0); 133#L290-2true assume !(0 != ~systemActive~0); 32#L298-2true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_#t~ret29#1, __utac_acc__Specification4_spec__1_~tmp~6#1, __utac_acc__Specification4_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification4_spec__1_~tmp~6#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 117#L142-2true assume true;__utac_acc__Specification4_spec__1_#t~ret28#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~6#1 := __utac_acc__Specification4_spec__1_#t~ret28#1;havoc __utac_acc__Specification4_spec__1_#t~ret28#1; 143#L581-2true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6#1); 68#L595-2true assume true;havoc __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_#t~ret29#1, __utac_acc__Specification4_spec__1_~tmp~6#1, __utac_acc__Specification4_spec__1_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 134#L300-2true assume true;assume { :end_inline_timeShift } true; 131#L483true [2024-11-17 08:48:05,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:05,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1440608580, now seen corresponding path program 1 times [2024-11-17 08:48:05,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:05,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878258598] [2024-11-17 08:48:05,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:05,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:05,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:05,517 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:05,583 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:05,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:05,590 INFO L85 PathProgramCache]: Analyzing trace with hash -797474425, now seen corresponding path program 1 times [2024-11-17 08:48:05,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:05,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217118170] [2024-11-17 08:48:05,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:05,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:05,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:05,609 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:05,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:05,625 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:05,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:05,629 INFO L85 PathProgramCache]: Analyzing trace with hash 407363236, now seen corresponding path program 1 times [2024-11-17 08:48:05,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:05,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339038188] [2024-11-17 08:48:05,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:05,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:05,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:48:06,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:48:06,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:48:06,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339038188] [2024-11-17 08:48:06,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339038188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:48:06,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:48:06,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 08:48:06,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969581382] [2024-11-17 08:48:06,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:48:06,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:48:06,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 08:48:06,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 08:48:06,132 INFO L87 Difference]: Start difference. First operand has 167 states, 166 states have (on average 1.3674698795180722) internal successors, (227), 166 states have internal predecessors, (227), 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) [2024-11-17 08:48:06,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:48:06,182 INFO L93 Difference]: Finished difference Result 161 states and 210 transitions. [2024-11-17 08:48:06,184 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 161 states and 210 transitions. [2024-11-17 08:48:06,186 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 101 [2024-11-17 08:48:06,189 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 161 states to 150 states and 199 transitions. [2024-11-17 08:48:06,190 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 150 [2024-11-17 08:48:06,190 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 150 [2024-11-17 08:48:06,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 150 states and 199 transitions. [2024-11-17 08:48:06,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:48:06,191 INFO L218 hiAutomatonCegarLoop]: Abstraction has 150 states and 199 transitions. [2024-11-17 08:48:06,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states and 199 transitions. [2024-11-17 08:48:06,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2024-11-17 08:48:06,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 150 states have (on average 1.3266666666666667) internal successors, (199), 149 states have internal predecessors, (199), 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) [2024-11-17 08:48:06,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 199 transitions. [2024-11-17 08:48:06,216 INFO L240 hiAutomatonCegarLoop]: Abstraction has 150 states and 199 transitions. [2024-11-17 08:48:06,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 08:48:06,219 INFO L425 stractBuchiCegarLoop]: Abstraction has 150 states and 199 transitions. [2024-11-17 08:48:06,219 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:48:06,220 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 150 states and 199 transitions. [2024-11-17 08:48:06,221 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 101 [2024-11-17 08:48:06,221 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:06,221 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:06,221 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:06,222 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] [2024-11-17 08:48:06,222 INFO L745 eck$LassoCheckResult]: Stem: 493#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 400#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 386#L560 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 387#L553 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1; 462#L568 assume true;main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 407#L258 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 408#L231 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 463#L483 [2024-11-17 08:48:06,222 INFO L747 eck$LassoCheckResult]: Loop: 463#L483 assume true; 472#L483-1 assume !false; 440#test_while_1_continue#1 assume true; 441#L485 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet23#1;test_~tmp~5#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 369#L493 assume !(0 != test_~tmp~5#1); 371#L501 havoc test_#t~nondet24#1;test_~tmp___0~2#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 431#L503 assume !(0 != test_~tmp___0~2#1); 423#L511 havoc test_#t~nondet25#1;test_~tmp___2~0#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 455#L513 assume 0 != test_~tmp___2~0#1; 471#L526 assume { :begin_inline_timeShift } true; 374#L283-2 assume !(0 != ~pumpRunning~0); 376#L290-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret11#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 482#L341-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret10#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1#1; 483#L315-5 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 426#L307-11 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 349#L333-5 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret10#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 392#L359-2 assume true;havoc processEnvironment_#t~ret11#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 393#L298-2 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_#t~ret29#1, __utac_acc__Specification4_spec__1_~tmp~6#1, __utac_acc__Specification4_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification4_spec__1_~tmp~6#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 398#L142-2 assume true;__utac_acc__Specification4_spec__1_#t~ret28#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~6#1 := __utac_acc__Specification4_spec__1_#t~ret28#1;havoc __utac_acc__Specification4_spec__1_#t~ret28#1; 480#L581-2 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6#1); 419#L595-2 assume true;havoc __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_#t~ret29#1, __utac_acc__Specification4_spec__1_~tmp~6#1, __utac_acc__Specification4_spec__1_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 443#L300-2 assume true;assume { :end_inline_timeShift } true; 463#L483 [2024-11-17 08:48:06,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:06,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1440608580, now seen corresponding path program 2 times [2024-11-17 08:48:06,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:06,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102555107] [2024-11-17 08:48:06,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:06,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:06,229 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:06,236 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:06,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:06,237 INFO L85 PathProgramCache]: Analyzing trace with hash -969551540, now seen corresponding path program 1 times [2024-11-17 08:48:06,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:06,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59908905] [2024-11-17 08:48:06,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:06,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:06,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:48:06,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:48:06,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:48:06,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59908905] [2024-11-17 08:48:06,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59908905] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:48:06,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:48:06,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 08:48:06,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314042556] [2024-11-17 08:48:06,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:48:06,253 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-17 08:48:06,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:48:06,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:48:06,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:48:06,254 INFO L87 Difference]: Start difference. First operand 150 states and 199 transitions. cyclomatic complexity: 51 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) [2024-11-17 08:48:06,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:48:06,307 INFO L93 Difference]: Finished difference Result 206 states and 262 transitions. [2024-11-17 08:48:06,308 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 206 states and 262 transitions. [2024-11-17 08:48:06,309 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 144 [2024-11-17 08:48:06,310 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 206 states to 206 states and 262 transitions. [2024-11-17 08:48:06,311 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 206 [2024-11-17 08:48:06,311 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 206 [2024-11-17 08:48:06,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 206 states and 262 transitions. [2024-11-17 08:48:06,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:48:06,312 INFO L218 hiAutomatonCegarLoop]: Abstraction has 206 states and 262 transitions. [2024-11-17 08:48:06,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states and 262 transitions. [2024-11-17 08:48:06,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2024-11-17 08:48:06,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 206 states have (on average 1.2718446601941749) internal successors, (262), 205 states have internal predecessors, (262), 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) [2024-11-17 08:48:06,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 262 transitions. [2024-11-17 08:48:06,319 INFO L240 hiAutomatonCegarLoop]: Abstraction has 206 states and 262 transitions. [2024-11-17 08:48:06,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 08:48:06,320 INFO L425 stractBuchiCegarLoop]: Abstraction has 206 states and 262 transitions. [2024-11-17 08:48:06,320 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-17 08:48:06,320 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 206 states and 262 transitions. [2024-11-17 08:48:06,321 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 144 [2024-11-17 08:48:06,321 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:06,321 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:06,322 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:06,322 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] [2024-11-17 08:48:06,322 INFO L745 eck$LassoCheckResult]: Stem: 861#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 762#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 748#L560 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 749#L553 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1; 825#L568 assume true;main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 769#L258 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 770#L231 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 829#L483 [2024-11-17 08:48:06,322 INFO L747 eck$LassoCheckResult]: Loop: 829#L483 assume true; 836#L483-1 assume !false; 802#test_while_1_continue#1 assume true; 803#L485 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet23#1;test_~tmp~5#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 731#L493 assume !(0 != test_~tmp~5#1); 733#L501 havoc test_#t~nondet24#1;test_~tmp___0~2#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 792#L503 assume !(0 != test_~tmp___0~2#1); 787#L511 havoc test_#t~nondet25#1;test_~tmp___2~0#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 819#L513 assume 0 != test_~tmp___2~0#1; 835#L526 assume { :begin_inline_timeShift } true; 734#L283-2 assume !(0 != ~pumpRunning~0); 735#L290-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret11#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 847#L341-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret10#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1#1; 848#L315-5 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret21#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~7#1;havoc isHighWaterLevel_~tmp~3#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; 842#L150-5 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; 815#L155-5 assume true;isHighWaterLevel_#t~ret21#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3#1 := isHighWaterLevel_#t~ret21#1;havoc isHighWaterLevel_#t~ret21#1; 816#L443-5 assume 0 != isHighWaterLevel_~tmp~3#1;isHighWaterLevel_~tmp___0~0#1 := 0; 859#L448-5 isHighWaterLevel_~retValue_acc~7#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; 799#L449-5 assume true;processEnvironment__wrappee__highWaterSensor_#t~ret10#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret21#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1#1 := processEnvironment__wrappee__highWaterSensor_#t~ret10#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret10#1; 800#L319-5 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 745#L307-10 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 746#L333-5 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret10#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 754#L359-2 assume true;havoc processEnvironment_#t~ret11#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 755#L298-2 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_#t~ret29#1, __utac_acc__Specification4_spec__1_~tmp~6#1, __utac_acc__Specification4_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification4_spec__1_~tmp~6#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 760#L142-2 assume true;__utac_acc__Specification4_spec__1_#t~ret28#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~6#1 := __utac_acc__Specification4_spec__1_#t~ret28#1;havoc __utac_acc__Specification4_spec__1_#t~ret28#1; 845#L581-2 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6#1); 782#L595-2 assume true;havoc __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_#t~ret29#1, __utac_acc__Specification4_spec__1_~tmp~6#1, __utac_acc__Specification4_spec__1_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 806#L300-2 assume true;assume { :end_inline_timeShift } true; 829#L483 [2024-11-17 08:48:06,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:06,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1440608580, now seen corresponding path program 3 times [2024-11-17 08:48:06,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:06,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975644575] [2024-11-17 08:48:06,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:06,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:06,330 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:06,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:06,335 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:06,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:06,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1823004971, now seen corresponding path program 1 times [2024-11-17 08:48:06,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:06,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490813587] [2024-11-17 08:48:06,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:06,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:06,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:06,342 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:06,348 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:06,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:06,349 INFO L85 PathProgramCache]: Analyzing trace with hash -1313184360, now seen corresponding path program 1 times [2024-11-17 08:48:06,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:06,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540751670] [2024-11-17 08:48:06,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:06,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:06,357 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:06,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:06,366 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:07,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:07,054 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:07,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:48:07 BoogieIcfgContainer [2024-11-17 08:48:07,115 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:48:07,116 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:48:07,116 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:48:07,116 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:48:07,119 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:48:05" (3/4) ... [2024-11-17 08:48:07,121 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-17 08:48:07,184 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 08:48:07,184 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:48:07,185 INFO L158 Benchmark]: Toolchain (without parser) took 3411.99ms. Allocated memory was 167.8MB in the beginning and 234.9MB in the end (delta: 67.1MB). Free memory was 93.5MB in the beginning and 142.8MB in the end (delta: -49.3MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2024-11-17 08:48:07,187 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 167.8MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:48:07,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.08ms. Allocated memory was 167.8MB in the beginning and 234.9MB in the end (delta: 67.1MB). Free memory was 93.3MB in the beginning and 198.2MB in the end (delta: -104.8MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2024-11-17 08:48:07,188 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.26ms. Allocated memory is still 234.9MB. Free memory was 198.2MB in the beginning and 195.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 08:48:07,188 INFO L158 Benchmark]: Boogie Preprocessor took 72.96ms. Allocated memory is still 234.9MB. Free memory was 195.0MB in the beginning and 191.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:48:07,188 INFO L158 Benchmark]: IcfgBuilder took 802.21ms. Allocated memory is still 234.9MB. Free memory was 191.9MB in the beginning and 159.4MB in the end (delta: 32.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-17 08:48:07,189 INFO L158 Benchmark]: BuchiAutomizer took 1969.79ms. Allocated memory is still 234.9MB. Free memory was 159.4MB in the beginning and 147.0MB in the end (delta: 12.4MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2024-11-17 08:48:07,189 INFO L158 Benchmark]: Witness Printer took 68.63ms. Allocated memory is still 234.9MB. Free memory was 145.9MB in the beginning and 142.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 08:48:07,190 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 167.8MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 417.08ms. Allocated memory was 167.8MB in the beginning and 234.9MB in the end (delta: 67.1MB). Free memory was 93.3MB in the beginning and 198.2MB in the end (delta: -104.8MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.26ms. Allocated memory is still 234.9MB. Free memory was 198.2MB in the beginning and 195.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.96ms. Allocated memory is still 234.9MB. Free memory was 195.0MB in the beginning and 191.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 802.21ms. Allocated memory is still 234.9MB. Free memory was 191.9MB in the beginning and 159.4MB in the end (delta: 32.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 1969.79ms. Allocated memory is still 234.9MB. Free memory was 159.4MB in the beginning and 147.0MB in the end (delta: 12.4MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * Witness Printer took 68.63ms. Allocated memory is still 234.9MB. Free memory was 145.9MB in the beginning and 142.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [58] - GenericResultAtLocation [Line: 169]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [169] - GenericResultAtLocation [Line: 271]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [271] - GenericResultAtLocation [Line: 472]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [472] - GenericResultAtLocation [Line: 537]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [537] - GenericResultAtLocation [Line: 572]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [572] - GenericResultAtLocation [Line: 598]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [598] * 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 206 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 341 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 341 mSDsluCounter, 901 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 501 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 400 mSDtfsCounter, 48 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: 483]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L67] int waterLevel = 1; [L68] int methaneLevelCritical = 0; [L170] int cleanupTimeShifts = 4; [L275] int pumpRunning = 0; [L276] int systemActive = 1; [L768] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L249] int retValue_acc ; [L250] int tmp ; [L254] FCALL select_helpers() [L255] FCALL select_features() [L256] CALL, EXPR valid_product() [L564] int retValue_acc ; [L567] retValue_acc = 1 [L568] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L256] RET, EXPR valid_product() [L256] tmp = valid_product() [L258] COND TRUE \read(tmp) [L260] FCALL setup() [L261] CALL runTest() [L240] CALL test() [L474] int splverifierCounter ; [L475] int tmp ; [L476] int tmp___0 ; [L477] int tmp___1 ; [L478] int tmp___2 ; [L481] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L483] COND TRUE 1 [L485] COND TRUE splverifierCounter < 4 [L491] tmp = __VERIFIER_nondet_int() [L493] COND FALSE !(\read(tmp)) [L501] tmp___0 = __VERIFIER_nondet_int() [L503] COND FALSE !(\read(tmp___0)) [L511] tmp___2 = __VERIFIER_nondet_int() [L513] COND TRUE \read(tmp___2) [L526] CALL timeShift() [L283] COND FALSE !(\read(pumpRunning)) [L290] COND TRUE \read(systemActive) [L292] CALL processEnvironment() [L338] int tmp ; [L341] COND FALSE !(\read(pumpRunning)) [L356] CALL processEnvironment__wrappee__highWaterSensor() [L312] int tmp ; [L315] COND TRUE ! pumpRunning [L317] CALL, EXPR isHighWaterLevel() [L435] int retValue_acc ; [L436] int tmp ; [L437] int tmp___0 ; [L441] CALL, EXPR isHighWaterSensorDry() [L147] int retValue_acc ; [L150] COND TRUE waterLevel < 2 [L151] retValue_acc = 1 [L152] return (retValue_acc); [L441] RET, EXPR isHighWaterSensorDry() [L441] tmp = isHighWaterSensorDry() [L443] COND TRUE \read(tmp) [L444] tmp___0 = 0 [L448] retValue_acc = tmp___0 [L449] return (retValue_acc); [L317] RET, EXPR isHighWaterLevel() [L317] tmp = isHighWaterLevel() [L319] COND FALSE !(\read(tmp)) [L325] FCALL processEnvironment__wrappee__base() [L356] RET processEnvironment__wrappee__highWaterSensor() [L292] RET processEnvironment() [L298] CALL __utac_acc__Specification4_spec__1() [L574] int tmp ; [L575] int tmp___0 ; [L579] CALL, EXPR getWaterLevel() [L138] int retValue_acc ; [L141] retValue_acc = waterLevel [L142] return (retValue_acc); [L579] RET, EXPR getWaterLevel() [L579] tmp = getWaterLevel() [L581] COND FALSE !(tmp == 0) [L298] RET __utac_acc__Specification4_spec__1() [L526] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 483]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L67] int waterLevel = 1; [L68] int methaneLevelCritical = 0; [L170] int cleanupTimeShifts = 4; [L275] int pumpRunning = 0; [L276] int systemActive = 1; [L768] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L249] int retValue_acc ; [L250] int tmp ; [L254] FCALL select_helpers() [L255] FCALL select_features() [L256] CALL, EXPR valid_product() [L564] int retValue_acc ; [L567] retValue_acc = 1 [L568] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L256] RET, EXPR valid_product() [L256] tmp = valid_product() [L258] COND TRUE \read(tmp) [L260] FCALL setup() [L261] CALL runTest() [L240] CALL test() [L474] int splverifierCounter ; [L475] int tmp ; [L476] int tmp___0 ; [L477] int tmp___1 ; [L478] int tmp___2 ; [L481] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L483] COND TRUE 1 [L485] COND TRUE splverifierCounter < 4 [L491] tmp = __VERIFIER_nondet_int() [L493] COND FALSE !(\read(tmp)) [L501] tmp___0 = __VERIFIER_nondet_int() [L503] COND FALSE !(\read(tmp___0)) [L511] tmp___2 = __VERIFIER_nondet_int() [L513] COND TRUE \read(tmp___2) [L526] CALL timeShift() [L283] COND FALSE !(\read(pumpRunning)) [L290] COND TRUE \read(systemActive) [L292] CALL processEnvironment() [L338] int tmp ; [L341] COND FALSE !(\read(pumpRunning)) [L356] CALL processEnvironment__wrappee__highWaterSensor() [L312] int tmp ; [L315] COND TRUE ! pumpRunning [L317] CALL, EXPR isHighWaterLevel() [L435] int retValue_acc ; [L436] int tmp ; [L437] int tmp___0 ; [L441] CALL, EXPR isHighWaterSensorDry() [L147] int retValue_acc ; [L150] COND TRUE waterLevel < 2 [L151] retValue_acc = 1 [L152] return (retValue_acc); [L441] RET, EXPR isHighWaterSensorDry() [L441] tmp = isHighWaterSensorDry() [L443] COND TRUE \read(tmp) [L444] tmp___0 = 0 [L448] retValue_acc = tmp___0 [L449] return (retValue_acc); [L317] RET, EXPR isHighWaterLevel() [L317] tmp = isHighWaterLevel() [L319] COND FALSE !(\read(tmp)) [L325] FCALL processEnvironment__wrappee__base() [L356] RET processEnvironment__wrappee__highWaterSensor() [L292] RET processEnvironment() [L298] CALL __utac_acc__Specification4_spec__1() [L574] int tmp ; [L575] int tmp___0 ; [L579] CALL, EXPR getWaterLevel() [L138] int retValue_acc ; [L141] retValue_acc = waterLevel [L142] return (retValue_acc); [L579] RET, EXPR getWaterLevel() [L579] tmp = getWaterLevel() [L581] COND FALSE !(tmp == 0) [L298] RET __utac_acc__Specification4_spec__1() [L526] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-17 08:48:07,216 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)