./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product64.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_product64.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 0f3f23173af8ffbfd6ca2d826b937f078be2c112e64596739bc9740bb061a5d2 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:15:46,490 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:15:46,572 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:15:46,577 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:15:46,577 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:15:46,578 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:15:46,603 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:15:46,604 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:15:46,605 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:15:46,605 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:15:46,606 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:15:46,606 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:15:46,607 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:15:46,607 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:15:46,607 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:15:46,608 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:15:46,608 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:15:46,609 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:15:46,609 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:15:46,609 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:15:46,610 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:15:46,610 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:15:46,611 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:15:46,611 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:15:46,611 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:15:46,612 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:15:46,612 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:15:46,613 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:15:46,613 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:15:46,613 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:15:46,614 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:15:46,614 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:15:46,614 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:15:46,615 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:15:46,615 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:15:46,615 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:15:46,615 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:15:46,616 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:15:46,616 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:15:46,617 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:15:46,617 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f3f23173af8ffbfd6ca2d826b937f078be2c112e64596739bc9740bb061a5d2 [2024-11-10 23:15:46,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:15:46,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:15:46,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:15:46,885 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:15:46,885 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:15:46,886 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product64.cil.c [2024-11-10 23:15:48,301 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:15:48,556 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:15:48,557 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product64.cil.c [2024-11-10 23:15:48,570 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/676a8128d/9d133fbbb0e849d3ba3a9f91ff55c81e/FLAGd62605f37 [2024-11-10 23:15:48,584 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/676a8128d/9d133fbbb0e849d3ba3a9f91ff55c81e [2024-11-10 23:15:48,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:15:48,588 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:15:48,589 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:15:48,589 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:15:48,594 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:15:48,594 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:15:48" (1/1) ... [2024-11-10 23:15:48,595 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@693d27cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:48, skipping insertion in model container [2024-11-10 23:15:48,595 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:15:48" (1/1) ... [2024-11-10 23:15:48,638 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:15:48,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:15:48,928 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:15:48,939 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-11-10 23:15:48,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [153] [2024-11-10 23:15:48,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [162] [2024-11-10 23:15:48,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [190] [2024-11-10 23:15:48,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [261] [2024-11-10 23:15:48,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [531] [2024-11-10 23:15:48,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [897] [2024-11-10 23:15:48,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1000] [2024-11-10 23:15:49,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:15:49,057 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:15:49,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:49 WrapperNode [2024-11-10 23:15:49,058 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:15:49,059 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:15:49,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:15:49,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:15:49,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:49" (1/1) ... [2024-11-10 23:15:49,081 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:49" (1/1) ... [2024-11-10 23:15:49,141 INFO L138 Inliner]: procedures = 59, calls = 108, calls flagged for inlining = 61, calls inlined = 179, statements flattened = 1211 [2024-11-10 23:15:49,142 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:15:49,143 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:15:49,143 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:15:49,143 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:15:49,153 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:49" (1/1) ... [2024-11-10 23:15:49,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:49" (1/1) ... [2024-11-10 23:15:49,164 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:49" (1/1) ... [2024-11-10 23:15:49,190 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 23:15:49,191 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:49" (1/1) ... [2024-11-10 23:15:49,191 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:49" (1/1) ... [2024-11-10 23:15:49,205 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:49" (1/1) ... [2024-11-10 23:15:49,207 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:49" (1/1) ... [2024-11-10 23:15:49,210 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:49" (1/1) ... [2024-11-10 23:15:49,212 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:49" (1/1) ... [2024-11-10 23:15:49,221 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:15:49,222 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:15:49,223 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:15:49,223 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:15:49,224 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:49" (1/1) ... [2024-11-10 23:15:49,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:15:49,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:15:49,266 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 23:15:49,272 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 23:15:49,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:15:49,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:15:49,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:15:49,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:15:49,406 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:15:49,408 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:15:50,343 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L997-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~11#1; [2024-11-10 23:15:50,345 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L997-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~11#1; [2024-11-10 23:15:50,345 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L997-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~11#1; [2024-11-10 23:15:50,345 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L997-7: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~11#1; [2024-11-10 23:15:50,345 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L997-9: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~11#1; [2024-11-10 23:15:50,345 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L997-11: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~11#1; [2024-11-10 23:15:50,345 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-1: valid_product_#res#1 := valid_product_~retValue_acc~13#1; [2024-11-10 23:15:50,346 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L505-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~4#1; [2024-11-10 23:15:50,346 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L505-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~4#1; [2024-11-10 23:15:50,346 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L505-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~4#1; [2024-11-10 23:15:50,347 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L505-7: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~4#1; [2024-11-10 23:15:50,347 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L505-9: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~4#1; [2024-11-10 23:15:50,347 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L505-11: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~4#1; [2024-11-10 23:15:50,347 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L974-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; [2024-11-10 23:15:50,348 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L974-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; [2024-11-10 23:15:50,348 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L974-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; [2024-11-10 23:15:50,348 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L942-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; [2024-11-10 23:15:50,348 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L942-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; [2024-11-10 23:15:50,348 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L942-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; [2024-11-10 23:15:50,348 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L942-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; [2024-11-10 23:15:50,348 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L942-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; [2024-11-10 23:15:50,348 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L942-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; [2024-11-10 23:15:50,349 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L942-13: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; [2024-11-10 23:15:50,349 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L942-15: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; [2024-11-10 23:15:50,349 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L942-17: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; [2024-11-10 23:15:50,349 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L942-19: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; [2024-11-10 23:15:50,349 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L942-21: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; [2024-11-10 23:15:50,349 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L942-23: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; [2024-11-10 23:15:50,349 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L150-1: main_#res#1 := main_~retValue_acc~0#1; [2024-11-10 23:15:50,349 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L942-25: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; [2024-11-10 23:15:50,349 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L942-27: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; [2024-11-10 23:15:50,350 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L942-29: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; [2024-11-10 23:15:50,350 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L486-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~3#1; [2024-11-10 23:15:50,350 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L486-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~3#1; [2024-11-10 23:15:50,350 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L486-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~3#1; [2024-11-10 23:15:50,350 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L486-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~3#1; [2024-11-10 23:15:50,350 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L486-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~3#1; [2024-11-10 23:15:50,350 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L486-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~3#1; [2024-11-10 23:15:50,350 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L486-13: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~3#1; [2024-11-10 23:15:50,350 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L486-15: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~3#1; [2024-11-10 23:15:50,351 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L486-17: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~3#1; [2024-11-10 23:15:50,351 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L486-19: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~3#1; [2024-11-10 23:15:50,351 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L486-21: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~3#1; [2024-11-10 23:15:50,351 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L486-23: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~3#1; [2024-11-10 23:15:50,353 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L422-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~1#1; [2024-11-10 23:15:50,353 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L422-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~1#1; [2024-11-10 23:15:50,353 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L422-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~1#1; [2024-11-10 23:15:50,353 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L422-7: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~1#1; [2024-11-10 23:15:50,353 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L422-9: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~1#1; [2024-11-10 23:15:50,353 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L422-11: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~1#1; [2024-11-10 23:15:50,354 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L422-13: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~1#1; [2024-11-10 23:15:50,354 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L422-15: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~1#1; [2024-11-10 23:15:50,354 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L422-17: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~1#1; [2024-11-10 23:15:50,354 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L422-19: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~1#1; [2024-11-10 23:15:50,354 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L422-21: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~1#1; [2024-11-10 23:15:50,354 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L422-23: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~1#1; [2024-11-10 23:15:50,355 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L422-25: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~1#1; [2024-11-10 23:15:50,355 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L422-27: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~1#1; [2024-11-10 23:15:50,355 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L422-29: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~1#1; [2024-11-10 23:15:50,355 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L988-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~10#1; [2024-11-10 23:15:50,355 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L988-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~10#1; [2024-11-10 23:15:50,355 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L988-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~10#1; [2024-11-10 23:15:50,355 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L988-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~10#1; [2024-11-10 23:15:50,356 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L988-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~10#1; [2024-11-10 23:15:50,356 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L988-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~10#1; [2024-11-10 23:15:50,356 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L988-13: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~10#1; [2024-11-10 23:15:50,356 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L988-15: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~10#1; [2024-11-10 23:15:50,357 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L988-17: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~10#1; [2024-11-10 23:15:50,357 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L988-19: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~10#1; [2024-11-10 23:15:50,357 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L988-21: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~10#1; [2024-11-10 23:15:50,357 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L988-23: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~10#1; [2024-11-10 23:15:50,357 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L431-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~2#1; [2024-11-10 23:15:50,357 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L431-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~2#1; [2024-11-10 23:15:50,358 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L431-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~2#1; [2024-11-10 23:15:50,409 INFO L? ?]: Removed 307 outVars from TransFormulas that were not future-live. [2024-11-10 23:15:50,410 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:15:50,433 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:15:50,435 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:15:50,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:15:50 BoogieIcfgContainer [2024-11-10 23:15:50,436 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:15:50,438 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:15:50,438 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:15:50,442 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:15:50,443 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:15:50,443 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:15:48" (1/3) ... [2024-11-10 23:15:50,444 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b12ca08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:15:50, skipping insertion in model container [2024-11-10 23:15:50,445 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:15:50,445 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:49" (2/3) ... [2024-11-10 23:15:50,445 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b12ca08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:15:50, skipping insertion in model container [2024-11-10 23:15:50,445 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:15:50,445 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:15:50" (3/3) ... [2024-11-10 23:15:50,447 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product64.cil.c [2024-11-10 23:15:50,512 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:15:50,512 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:15:50,512 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:15:50,513 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:15:50,513 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:15:50,513 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:15:50,513 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:15:50,513 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:15:50,518 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 326 states, 325 states have (on average 1.3476923076923077) internal successors, (438), 325 states have internal predecessors, (438), 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 23:15:50,553 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 214 [2024-11-10 23:15:50,554 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:50,554 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:50,563 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:50,564 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:50,564 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:15:50,567 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 326 states, 325 states have (on average 1.3476923076923077) internal successors, (438), 325 states have internal predecessors, (438), 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 23:15:50,580 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 214 [2024-11-10 23:15:50,580 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:50,580 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:50,585 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:50,585 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:50,592 INFO L745 eck$LassoCheckResult]: Stem: 310#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;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 31#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; 289#L1023true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 170#L1016true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 115#L1031true assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 71#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 303#L113true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 32#L203true [2024-11-10 23:15:50,593 INFO L747 eck$LassoCheckResult]: Loop: 32#L203true assume true; 131#L203-1true assume !false;assume true; 96#L205true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet7#1;test_~tmp~2#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 150#L213true assume !(0 != test_~tmp~2#1); 272#L221true havoc test_#t~nondet8#1;test_~tmp___0~1#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 85#L223true assume !(0 != test_~tmp___0~1#1); 103#L231true havoc test_#t~nondet9#1;test_~tmp___2~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 82#L233true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet10#1;test_~tmp___1~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 37#L241true assume !(0 != test_~tmp___1~0#1); 278#L250true assume { :begin_inline_timeShift } true; 130#L276-2true assume !(0 != ~pumpRunning~0); 174#L283-2true assume !(0 != ~systemActive~0); 100#L291-2true 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~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 44#L973-2true assume true;__utac_acc__Specification4_spec__1_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#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; 327#L173-2true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 269#L187-2true 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; 159#L293-2true assume true;assume { :end_inline_timeShift } true; 32#L203true [2024-11-10 23:15:50,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:50,601 INFO L85 PathProgramCache]: Analyzing trace with hash 696768228, now seen corresponding path program 1 times [2024-11-10 23:15:50,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:50,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409122379] [2024-11-10 23:15:50,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:50,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:50,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:50,727 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:50,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:50,765 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:50,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:50,768 INFO L85 PathProgramCache]: Analyzing trace with hash 528303448, now seen corresponding path program 1 times [2024-11-10 23:15:50,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:50,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681678512] [2024-11-10 23:15:50,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:50,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:50,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:50,783 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:50,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:50,797 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:50,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:50,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1791512363, now seen corresponding path program 1 times [2024-11-10 23:15:50,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:50,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747792178] [2024-11-10 23:15:50,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:50,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:50,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:15:51,011 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 23:15:51,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:15:51,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747792178] [2024-11-10 23:15:51,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747792178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:15:51,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:15:51,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 23:15:51,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535456144] [2024-11-10 23:15:51,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:15:51,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:15:51,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 23:15:51,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 23:15:51,142 INFO L87 Difference]: Start difference. First operand has 326 states, 325 states have (on average 1.3476923076923077) internal successors, (438), 325 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:15:51,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:15:51,297 INFO L93 Difference]: Finished difference Result 696 states and 918 transitions. [2024-11-10 23:15:51,298 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 696 states and 918 transitions. [2024-11-10 23:15:51,309 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 456 [2024-11-10 23:15:51,322 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 696 states to 663 states and 885 transitions. [2024-11-10 23:15:51,323 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 663 [2024-11-10 23:15:51,325 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 663 [2024-11-10 23:15:51,325 INFO L73 IsDeterministic]: Start isDeterministic. Operand 663 states and 885 transitions. [2024-11-10 23:15:51,329 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:15:51,329 INFO L218 hiAutomatonCegarLoop]: Abstraction has 663 states and 885 transitions. [2024-11-10 23:15:51,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states and 885 transitions. [2024-11-10 23:15:51,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 360. [2024-11-10 23:15:51,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 360 states have (on average 1.3333333333333333) internal successors, (480), 359 states have internal predecessors, (480), 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 23:15:51,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 480 transitions. [2024-11-10 23:15:51,382 INFO L240 hiAutomatonCegarLoop]: Abstraction has 360 states and 480 transitions. [2024-11-10 23:15:51,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 23:15:51,387 INFO L425 stractBuchiCegarLoop]: Abstraction has 360 states and 480 transitions. [2024-11-10 23:15:51,387 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:15:51,388 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 360 states and 480 transitions. [2024-11-10 23:15:51,390 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 247 [2024-11-10 23:15:51,390 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:51,390 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:51,391 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:51,391 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] [2024-11-10 23:15:51,391 INFO L745 eck$LassoCheckResult]: Stem: 1348#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;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1094#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; 1095#L1023 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1283#L1016 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 1225#L1031 assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 1164#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1165#L113 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1096#L203 [2024-11-10 23:15:51,392 INFO L747 eck$LassoCheckResult]: Loop: 1096#L203 assume true; 1097#L203-1 assume !false;assume true; 1204#L205 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet7#1;test_~tmp~2#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 1206#L213 assume !(0 != test_~tmp~2#1); 1254#L221 havoc test_#t~nondet8#1;test_~tmp___0~1#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 1188#L223 assume !(0 != test_~tmp___0~1#1); 1190#L231 havoc test_#t~nondet9#1;test_~tmp___2~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 1183#L233 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1184#L528 assume true;assume { :end_inline_startSystem } true; 1107#L250 assume { :begin_inline_timeShift } true; 1243#L276-2 assume !(0 != ~pumpRunning~0); 1245#L283-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 1286#L360-2 assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret15#1, isMethaneAlarm_~retValue_acc~1#1;havoc isMethaneAlarm_~retValue_acc~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 1249#L941-12 assume true;isMethaneAlarm_#t~ret15#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~1#1 := isMethaneAlarm_#t~ret15#1;havoc isMethaneAlarm_#t~ret15#1;isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~1#1; 1250#L421-12 assume true;processEnvironment_#t~ret13#1 := isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret15#1, isMethaneAlarm_~retValue_acc~1#1;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~5#1 := processEnvironment_#t~ret13#1;havoc processEnvironment_#t~ret13#1; 1276#L364-2 assume 0 != processEnvironment_~tmp~5#1;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; 1258#L411-6 assume true;assume { :end_inline_deactivatePump } true; 1148#L378-2 assume true;havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 1212#L291-2 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~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 1118#L973-2 assume true;__utac_acc__Specification4_spec__1_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#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; 1119#L173-2 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 1340#L187-2 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; 1275#L293-2 assume true;assume { :end_inline_timeShift } true; 1096#L203 [2024-11-10 23:15:51,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:51,392 INFO L85 PathProgramCache]: Analyzing trace with hash 696768228, now seen corresponding path program 2 times [2024-11-10 23:15:51,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:51,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875209415] [2024-11-10 23:15:51,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:51,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:51,411 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:51,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:51,427 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:51,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:51,428 INFO L85 PathProgramCache]: Analyzing trace with hash -479547425, now seen corresponding path program 1 times [2024-11-10 23:15:51,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:51,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734859160] [2024-11-10 23:15:51,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:51,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:51,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:15:51,457 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 23:15:51,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:15:51,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734859160] [2024-11-10 23:15:51,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734859160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:15:51,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:15:51,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 23:15:51,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954565723] [2024-11-10 23:15:51,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:15:51,459 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:15:51,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:15:51,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:15:51,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:15:51,460 INFO L87 Difference]: Start difference. First operand 360 states and 480 transitions. cyclomatic complexity: 123 Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 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 23:15:51,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:15:51,565 INFO L93 Difference]: Finished difference Result 362 states and 456 transitions. [2024-11-10 23:15:51,565 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 362 states and 456 transitions. [2024-11-10 23:15:51,569 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 254 [2024-11-10 23:15:51,571 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 362 states to 362 states and 456 transitions. [2024-11-10 23:15:51,571 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 362 [2024-11-10 23:15:51,572 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 362 [2024-11-10 23:15:51,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 362 states and 456 transitions. [2024-11-10 23:15:51,573 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:15:51,575 INFO L218 hiAutomatonCegarLoop]: Abstraction has 362 states and 456 transitions. [2024-11-10 23:15:51,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states and 456 transitions. [2024-11-10 23:15:51,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2024-11-10 23:15:51,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 362 states have (on average 1.2596685082872927) internal successors, (456), 361 states have internal predecessors, (456), 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 23:15:51,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 456 transitions. [2024-11-10 23:15:51,590 INFO L240 hiAutomatonCegarLoop]: Abstraction has 362 states and 456 transitions. [2024-11-10 23:15:51,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:15:51,591 INFO L425 stractBuchiCegarLoop]: Abstraction has 362 states and 456 transitions. [2024-11-10 23:15:51,591 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-10 23:15:51,591 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 362 states and 456 transitions. [2024-11-10 23:15:51,593 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 254 [2024-11-10 23:15:51,593 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:51,593 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:51,594 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:51,594 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:51,595 INFO L745 eck$LassoCheckResult]: Stem: 2022#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;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1808#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; 1809#L1023 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1959#L1016 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 1909#L1031 assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 1858#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1859#L113 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1803#L203 [2024-11-10 23:15:51,596 INFO L747 eck$LassoCheckResult]: Loop: 1803#L203 assume true; 1804#L203-1 assume !false;assume true; 1892#L205 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet7#1;test_~tmp~2#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 1894#L213 assume !(0 != test_~tmp~2#1); 1930#L221 havoc test_#t~nondet8#1;test_~tmp___0~1#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 1874#L223 assume !(0 != test_~tmp___0~1#1); 1876#L231 havoc test_#t~nondet9#1;test_~tmp___2~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 1870#L233 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet10#1;test_~tmp___1~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 1813#L241 assume !(0 != test_~tmp___1~0#1); 1815#L250 assume { :begin_inline_timeShift } true; 1923#L276-2 assume !(0 != ~pumpRunning~0); 1924#L283-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 2015#L360-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret12#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1; 1992#L334-5 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3#1; 1993#L308-11 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret24#1, isHighWaterLevel_~retValue_acc~3#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~3#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~10#1;havoc isHighWaterSensorDry_~retValue_acc~10#1; 1987#L981-11 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~10#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~10#1; 1890#L986-11 assume true;isHighWaterLevel_#t~ret24#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~10#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret24#1;havoc isHighWaterLevel_#t~ret24#1; 1891#L479-11 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~2#1 := 0; 1783#L484-11 isHighWaterLevel_~retValue_acc~3#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~3#1; 1784#L485-11 assume true;processEnvironment__wrappee__highWaterSensor_#t~ret11#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret24#1, isHighWaterLevel_~retValue_acc~3#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~3#1 := processEnvironment__wrappee__highWaterSensor_#t~ret11#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11#1; 1997#L312-11 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1843#L300-22 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 1836#L326-11 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1837#L352-5 assume true;havoc processEnvironment__wrappee__methaneQuery_#t~ret12#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1847#L378-2 assume true;havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 1899#L291-2 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~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 1825#L973-2 assume true;__utac_acc__Specification4_spec__1_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#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; 1826#L173-2 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 2013#L187-2 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; 1950#L293-2 assume true;assume { :end_inline_timeShift } true; 1803#L203 [2024-11-10 23:15:51,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:51,597 INFO L85 PathProgramCache]: Analyzing trace with hash 696768228, now seen corresponding path program 3 times [2024-11-10 23:15:51,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:51,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390282553] [2024-11-10 23:15:51,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:51,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:51,610 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:51,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:51,617 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:51,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:51,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1826623230, now seen corresponding path program 1 times [2024-11-10 23:15:51,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:51,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839779007] [2024-11-10 23:15:51,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:51,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:51,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:51,627 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:51,636 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:51,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:51,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1846085983, now seen corresponding path program 1 times [2024-11-10 23:15:51,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:51,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743167822] [2024-11-10 23:15:51,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:51,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:51,651 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:51,663 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:52,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:52,531 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:52,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:52,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:15:52 BoogieIcfgContainer [2024-11-10 23:15:52,597 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:15:52,598 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:15:52,598 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:15:52,598 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:15:52,598 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:15:50" (3/4) ... [2024-11-10 23:15:52,602 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 23:15:52,660 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 23:15:52,660 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:15:52,661 INFO L158 Benchmark]: Toolchain (without parser) took 4072.83ms. Allocated memory was 155.2MB in the beginning and 241.2MB in the end (delta: 86.0MB). Free memory was 101.0MB in the beginning and 95.0MB in the end (delta: 6.0MB). Peak memory consumption was 93.4MB. Max. memory is 16.1GB. [2024-11-10 23:15:52,661 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory is still 114.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:15:52,661 INFO L158 Benchmark]: CACSL2BoogieTranslator took 468.51ms. Allocated memory is still 155.2MB. Free memory was 100.6MB in the beginning and 79.1MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-10 23:15:52,661 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.03ms. Allocated memory is still 155.2MB. Free memory was 79.1MB in the beginning and 73.8MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 23:15:52,662 INFO L158 Benchmark]: Boogie Preprocessor took 78.17ms. Allocated memory is still 155.2MB. Free memory was 73.8MB in the beginning and 69.1MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:15:52,662 INFO L158 Benchmark]: IcfgBuilder took 1213.97ms. Allocated memory was 155.2MB in the beginning and 241.2MB in the end (delta: 86.0MB). Free memory was 68.7MB in the beginning and 160.5MB in the end (delta: -91.8MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2024-11-10 23:15:52,664 INFO L158 Benchmark]: BuchiAutomizer took 2159.53ms. Allocated memory is still 241.2MB. Free memory was 160.5MB in the beginning and 98.2MB in the end (delta: 62.3MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. [2024-11-10 23:15:52,664 INFO L158 Benchmark]: Witness Printer took 62.61ms. Allocated memory is still 241.2MB. Free memory was 98.2MB in the beginning and 95.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:15:52,666 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 155.2MB. Free memory is still 114.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 468.51ms. Allocated memory is still 155.2MB. Free memory was 100.6MB in the beginning and 79.1MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.03ms. Allocated memory is still 155.2MB. Free memory was 79.1MB in the beginning and 73.8MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.17ms. Allocated memory is still 155.2MB. Free memory was 73.8MB in the beginning and 69.1MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 1213.97ms. Allocated memory was 155.2MB in the beginning and 241.2MB in the end (delta: 86.0MB). Free memory was 68.7MB in the beginning and 160.5MB in the end (delta: -91.8MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 2159.53ms. Allocated memory is still 241.2MB. Free memory was 160.5MB in the beginning and 98.2MB in the end (delta: 62.3MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. * Witness Printer took 62.61ms. Allocated memory is still 241.2MB. Free memory was 98.2MB in the beginning and 95.0MB in the end (delta: 3.2MB). 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,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [153] - GenericResultAtLocation [Line: 162]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [162] - GenericResultAtLocation [Line: 190]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [190] - GenericResultAtLocation [Line: 261]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [261] - GenericResultAtLocation [Line: 531]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [531] - GenericResultAtLocation [Line: 897]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [897] - GenericResultAtLocation [Line: 1000]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1000] * 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 362 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.1s. 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, 303 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, 1042 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1042 mSDsluCounter, 2255 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1529 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 85 IncrementalHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 726 mSDtfsCounter, 85 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: 203]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L269] int pumpRunning = 0; [L270] int systemActive = 1; [L701] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L898] int waterLevel = 1; [L899] int methaneLevelCritical = 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() [L1027] int retValue_acc ; [L1030] retValue_acc = 1 [L1031] 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() [L194] int splverifierCounter ; [L195] int tmp ; [L196] int tmp___0 ; [L197] int tmp___1 ; [L198] int tmp___2 ; [L201] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L203] COND TRUE 1 [L205] COND TRUE splverifierCounter < 4 [L211] tmp = __VERIFIER_nondet_int() [L213] COND FALSE !(\read(tmp)) [L221] tmp___0 = __VERIFIER_nondet_int() [L223] COND FALSE !(\read(tmp___0)) [L231] tmp___2 = __VERIFIER_nondet_int() [L233] COND FALSE !(\read(tmp___2)) [L239] tmp___1 = __VERIFIER_nondet_int() [L241] COND FALSE !(\read(tmp___1)) [L250] CALL timeShift() [L276] COND FALSE !(\read(pumpRunning)) [L283] COND TRUE \read(systemActive) [L285] CALL processEnvironment() [L357] int tmp ; [L360] COND FALSE !(\read(pumpRunning)) [L375] CALL processEnvironment__wrappee__methaneQuery() [L331] int tmp ; [L334] COND FALSE !(\read(pumpRunning)) [L349] CALL processEnvironment__wrappee__highWaterSensor() [L305] int tmp ; [L308] COND TRUE ! pumpRunning [L310] CALL, EXPR isHighWaterLevel() [L471] int retValue_acc ; [L472] int tmp ; [L473] int tmp___0 ; [L477] CALL, EXPR isHighWaterSensorDry() [L978] int retValue_acc ; [L981] COND TRUE waterLevel < 2 [L982] retValue_acc = 1 [L983] return (retValue_acc); [L477] RET, EXPR isHighWaterSensorDry() [L477] tmp = isHighWaterSensorDry() [L479] COND TRUE \read(tmp) [L480] tmp___0 = 0 [L484] retValue_acc = tmp___0 [L485] return (retValue_acc); [L310] RET, EXPR isHighWaterLevel() [L310] tmp = isHighWaterLevel() [L312] COND FALSE !(\read(tmp)) [L318] FCALL processEnvironment__wrappee__base() [L349] RET processEnvironment__wrappee__highWaterSensor() [L375] RET processEnvironment__wrappee__methaneQuery() [L285] RET processEnvironment() [L291] CALL __utac_acc__Specification4_spec__1() [L166] int tmp ; [L167] int tmp___0 ; [L171] CALL, EXPR getWaterLevel() [L969] int retValue_acc ; [L972] retValue_acc = waterLevel [L973] return (retValue_acc); [L171] RET, EXPR getWaterLevel() [L171] tmp = getWaterLevel() [L173] COND FALSE !(tmp == 0) [L291] RET __utac_acc__Specification4_spec__1() [L250] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 203]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L269] int pumpRunning = 0; [L270] int systemActive = 1; [L701] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L898] int waterLevel = 1; [L899] int methaneLevelCritical = 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() [L1027] int retValue_acc ; [L1030] retValue_acc = 1 [L1031] 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() [L194] int splverifierCounter ; [L195] int tmp ; [L196] int tmp___0 ; [L197] int tmp___1 ; [L198] int tmp___2 ; [L201] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L203] COND TRUE 1 [L205] COND TRUE splverifierCounter < 4 [L211] tmp = __VERIFIER_nondet_int() [L213] COND FALSE !(\read(tmp)) [L221] tmp___0 = __VERIFIER_nondet_int() [L223] COND FALSE !(\read(tmp___0)) [L231] tmp___2 = __VERIFIER_nondet_int() [L233] COND FALSE !(\read(tmp___2)) [L239] tmp___1 = __VERIFIER_nondet_int() [L241] COND FALSE !(\read(tmp___1)) [L250] CALL timeShift() [L276] COND FALSE !(\read(pumpRunning)) [L283] COND TRUE \read(systemActive) [L285] CALL processEnvironment() [L357] int tmp ; [L360] COND FALSE !(\read(pumpRunning)) [L375] CALL processEnvironment__wrappee__methaneQuery() [L331] int tmp ; [L334] COND FALSE !(\read(pumpRunning)) [L349] CALL processEnvironment__wrappee__highWaterSensor() [L305] int tmp ; [L308] COND TRUE ! pumpRunning [L310] CALL, EXPR isHighWaterLevel() [L471] int retValue_acc ; [L472] int tmp ; [L473] int tmp___0 ; [L477] CALL, EXPR isHighWaterSensorDry() [L978] int retValue_acc ; [L981] COND TRUE waterLevel < 2 [L982] retValue_acc = 1 [L983] return (retValue_acc); [L477] RET, EXPR isHighWaterSensorDry() [L477] tmp = isHighWaterSensorDry() [L479] COND TRUE \read(tmp) [L480] tmp___0 = 0 [L484] retValue_acc = tmp___0 [L485] return (retValue_acc); [L310] RET, EXPR isHighWaterLevel() [L310] tmp = isHighWaterLevel() [L312] COND FALSE !(\read(tmp)) [L318] FCALL processEnvironment__wrappee__base() [L349] RET processEnvironment__wrappee__highWaterSensor() [L375] RET processEnvironment__wrappee__methaneQuery() [L285] RET processEnvironment() [L291] CALL __utac_acc__Specification4_spec__1() [L166] int tmp ; [L167] int tmp___0 ; [L171] CALL, EXPR getWaterLevel() [L969] int retValue_acc ; [L972] retValue_acc = waterLevel [L973] return (retValue_acc); [L171] RET, EXPR getWaterLevel() [L171] tmp = getWaterLevel() [L173] COND FALSE !(tmp == 0) [L291] RET __utac_acc__Specification4_spec__1() [L250] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-10 23:15:52,696 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)