./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product58.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_product58.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 debcf50bf3bb3961401c62ca4b7217ea7cc93038f750143121614e56b550164d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:15:42,914 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:15:42,976 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:15:42,980 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:15:42,980 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:15:42,980 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:15:42,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:15:42,997 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:15:42,998 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:15:42,998 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:15:42,998 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:15:42,999 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:15:42,999 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:15:42,999 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:15:43,000 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:15:43,000 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:15:43,000 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:15:43,001 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:15:43,001 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:15:43,001 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:15:43,001 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:15:43,002 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:15:43,002 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:15:43,002 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:15:43,003 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:15:43,003 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:15:43,003 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:15:43,003 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:15:43,004 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:15:43,004 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:15:43,004 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:15:43,004 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:15:43,005 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:15:43,005 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:15:43,005 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:15:43,005 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:15:43,006 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:15:43,006 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:15:43,006 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:15:43,007 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:15:43,007 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> debcf50bf3bb3961401c62ca4b7217ea7cc93038f750143121614e56b550164d [2024-11-10 23:15:43,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:15:43,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:15:43,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:15:43,223 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:15:43,224 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:15:43,225 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c [2024-11-10 23:15:44,623 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:15:44,946 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:15:44,950 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c [2024-11-10 23:15:44,969 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3983a7195/28390520309749d0b795654347055d8a/FLAGf50ae1bab [2024-11-10 23:15:45,237 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3983a7195/28390520309749d0b795654347055d8a [2024-11-10 23:15:45,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:15:45,247 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:15:45,249 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:15:45,249 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:15:45,258 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:15:45,259 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:15:45" (1/1) ... [2024-11-10 23:15:45,260 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f4a746 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:45, skipping insertion in model container [2024-11-10 23:15:45,260 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:15:45" (1/1) ... [2024-11-10 23:15:45,320 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:15:45,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:15:45,540 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:15:45,555 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-10 23:15:45,557 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [415] [2024-11-10 23:15:45,557 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [444] [2024-11-10 23:15:45,557 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [453] [2024-11-10 23:15:45,557 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [563] [2024-11-10 23:15:45,557 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [665] [2024-11-10 23:15:45,558 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [700] [2024-11-10 23:15:45,558 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [926] [2024-11-10 23:15:45,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:15:45,688 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:15:45,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:45 WrapperNode [2024-11-10 23:15:45,689 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:15:45,690 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:15:45,690 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:15:45,690 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:15:45,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:45" (1/1) ... [2024-11-10 23:15:45,707 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:45" (1/1) ... [2024-11-10 23:15:45,737 INFO L138 Inliner]: procedures = 57, calls = 102, calls flagged for inlining = 55, calls inlined = 99, statements flattened = 676 [2024-11-10 23:15:45,737 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:15:45,738 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:15:45,738 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:15:45,738 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:15:45,746 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:45" (1/1) ... [2024-11-10 23:15:45,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:45" (1/1) ... [2024-11-10 23:15:45,748 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:45" (1/1) ... [2024-11-10 23:15:45,769 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 23:15:45,770 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:45" (1/1) ... [2024-11-10 23:15:45,770 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:45" (1/1) ... [2024-11-10 23:15:45,776 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:45" (1/1) ... [2024-11-10 23:15:45,777 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:45" (1/1) ... [2024-11-10 23:15:45,778 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:45" (1/1) ... [2024-11-10 23:15:45,780 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:45" (1/1) ... [2024-11-10 23:15:45,782 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:15:45,782 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:15:45,782 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:15:45,783 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:15:45,783 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:45" (1/1) ... [2024-11-10 23:15:45,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:15:45,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:15:45,818 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 23:15:45,825 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 23:15:45,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:15:45,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:15:45,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:15:45,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:15:45,920 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:15:45,922 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:15:46,272 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L697-1: valid_product_#res#1 := valid_product_~retValue_acc~9#1; [2024-11-10 23:15:46,273 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L896-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-10 23:15:46,273 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L896-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-10 23:15:46,273 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L896-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-10 23:15:46,273 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L896-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-10 23:15:46,273 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L896-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-10 23:15:46,273 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L896-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-10 23:15:46,273 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L551-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2024-11-10 23:15:46,273 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L551-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2024-11-10 23:15:46,273 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L551-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2024-11-10 23:15:46,273 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L551-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2024-11-10 23:15:46,273 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L832-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2024-11-10 23:15:46,273 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L551-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2024-11-10 23:15:46,273 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L832-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2024-11-10 23:15:46,274 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L551-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2024-11-10 23:15:46,274 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L832-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2024-11-10 23:15:46,274 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L832-7: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2024-11-10 23:15:46,274 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L832-9: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2024-11-10 23:15:46,274 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L832-11: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2024-11-10 23:15:46,274 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L915-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~13#1; [2024-11-10 23:15:46,274 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L915-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~13#1; [2024-11-10 23:15:46,274 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L915-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~13#1; [2024-11-10 23:15:46,274 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L537-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; [2024-11-10 23:15:46,274 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L537-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; [2024-11-10 23:15:46,274 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L537-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; [2024-11-10 23:15:46,274 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L505-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-10 23:15:46,275 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L505-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-10 23:15:46,275 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L505-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-10 23:15:46,275 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L505-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-10 23:15:46,275 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L505-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-10 23:15:46,275 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L505-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-10 23:15:46,275 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L560-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~6#1; [2024-11-10 23:15:46,275 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L560-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~6#1; [2024-11-10 23:15:46,275 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L560-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~6#1; [2024-11-10 23:15:46,275 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L841-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~11#1; [2024-11-10 23:15:46,275 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L841-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~11#1; [2024-11-10 23:15:46,275 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L841-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~11#1; [2024-11-10 23:15:46,275 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L662-1: main_#res#1 := main_~retValue_acc~7#1; [2024-11-10 23:15:46,300 INFO L? ?]: Removed 166 outVars from TransFormulas that were not future-live. [2024-11-10 23:15:46,301 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:15:46,311 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:15:46,311 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:15:46,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:15:46 BoogieIcfgContainer [2024-11-10 23:15:46,311 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:15:46,312 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:15:46,312 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:15:46,314 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:15:46,315 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:15:46,315 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:15:45" (1/3) ... [2024-11-10 23:15:46,316 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c2fcdaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:15:46, skipping insertion in model container [2024-11-10 23:15:46,316 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:15:46,316 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:45" (2/3) ... [2024-11-10 23:15:46,316 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c2fcdaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:15:46, skipping insertion in model container [2024-11-10 23:15:46,316 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:15:46,316 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:15:46" (3/3) ... [2024-11-10 23:15:46,317 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product58.cil.c [2024-11-10 23:15:46,353 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:15:46,354 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:15:46,354 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:15:46,354 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:15:46,354 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:15:46,354 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:15:46,354 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:15:46,354 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:15:46,358 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 190 states, 189 states have (on average 1.3544973544973544) internal successors, (256), 189 states have internal predecessors, (256), 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 23:15:46,378 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 122 [2024-11-10 23:15:46,378 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:46,378 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:46,384 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:46,384 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 23:15:46,384 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:15:46,384 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 190 states, 189 states have (on average 1.3544973544973544) internal successors, (256), 189 states have internal predecessors, (256), 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 23:15:46,391 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 122 [2024-11-10 23:15:46,391 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:46,391 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:46,392 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:46,392 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 23:15:46,395 INFO L745 eck$LassoCheckResult]: Stem: 172#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 39#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret34#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 147#L688true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 77#L681true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 58#L696true assume true;main_#t~ret34#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret34#1;havoc main_#t~ret34#1; 185#L652true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 176#L625true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_~splverifierCounter~0#1, test_~tmp~10#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~10#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 113#L937true [2024-11-10 23:15:46,396 INFO L747 eck$LassoCheckResult]: Loop: 113#L937true assume true; 24#L937-1true assume !false;assume true; 190#L939true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet50#1;test_~tmp~10#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 63#L947true assume !(0 != test_~tmp~10#1); 98#L955true havoc test_#t~nondet51#1;test_~tmp___0~3#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 78#L957true assume !(0 != test_~tmp___0~3#1); 112#L965true havoc test_#t~nondet52#1;test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 75#L967true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 154#L923true assume true;assume { :end_inline_startSystem } true; 12#L982true assume { :begin_inline_timeShift } true; 85#L711-2true assume !(0 != ~pumpRunning~0); 183#L718-2true assume !(0 != ~systemActive~0); 100#L726-2true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 95#L536-2true assume true;__utac_acc__Specification4_spec__1_#t~ret27#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret27#1;havoc __utac_acc__Specification4_spec__1_#t~ret27#1; 76#L427-2true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1); 132#L441-2true assume true;havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 30#L728-2true assume true;assume { :end_inline_timeShift } true; 113#L937true [2024-11-10 23:15:46,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:46,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1875213040, now seen corresponding path program 1 times [2024-11-10 23:15:46,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:46,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290407053] [2024-11-10 23:15:46,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:46,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:46,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:46,468 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:46,488 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:46,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:46,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1713336110, now seen corresponding path program 1 times [2024-11-10 23:15:46,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:46,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144551063] [2024-11-10 23:15:46,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:46,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:15:46,544 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 23:15:46,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:15:46,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144551063] [2024-11-10 23:15:46,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144551063] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:15:46,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:15:46,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 23:15:46,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310104524] [2024-11-10 23:15:46,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:15:46,548 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:15:46,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:15:46,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:15:46,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:15:46,576 INFO L87 Difference]: Start difference. First operand has 190 states, 189 states have (on average 1.3544973544973544) internal successors, (256), 189 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 23:15:46,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:15:46,615 INFO L93 Difference]: Finished difference Result 184 states and 240 transitions. [2024-11-10 23:15:46,617 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 184 states and 240 transitions. [2024-11-10 23:15:46,621 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 116 [2024-11-10 23:15:46,625 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 184 states to 173 states and 228 transitions. [2024-11-10 23:15:46,626 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 173 [2024-11-10 23:15:46,627 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 173 [2024-11-10 23:15:46,628 INFO L73 IsDeterministic]: Start isDeterministic. Operand 173 states and 228 transitions. [2024-11-10 23:15:46,629 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:15:46,629 INFO L218 hiAutomatonCegarLoop]: Abstraction has 173 states and 228 transitions. [2024-11-10 23:15:46,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states and 228 transitions. [2024-11-10 23:15:46,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2024-11-10 23:15:46,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 173 states have (on average 1.3179190751445087) internal successors, (228), 172 states have internal predecessors, (228), 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 23:15:46,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 228 transitions. [2024-11-10 23:15:46,698 INFO L240 hiAutomatonCegarLoop]: Abstraction has 173 states and 228 transitions. [2024-11-10 23:15:46,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:15:46,705 INFO L425 stractBuchiCegarLoop]: Abstraction has 173 states and 228 transitions. [2024-11-10 23:15:46,706 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:15:46,706 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 173 states and 228 transitions. [2024-11-10 23:15:46,708 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 116 [2024-11-10 23:15:46,712 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:46,712 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:46,713 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:46,713 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:46,713 INFO L745 eck$LassoCheckResult]: Stem: 553#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 452#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret34#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 453#L688 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 509#L681 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 474#L696 assume true;main_#t~ret34#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret34#1;havoc main_#t~ret34#1; 475#L652 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 554#L625 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_~splverifierCounter~0#1, test_~tmp~10#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~10#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 436#L937 [2024-11-10 23:15:46,713 INFO L747 eck$LassoCheckResult]: Loop: 436#L937 assume true; 423#L937-1 assume !false;assume true; 424#L939 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet50#1;test_~tmp~10#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 486#L947 assume !(0 != test_~tmp~10#1); 487#L955 havoc test_#t~nondet51#1;test_~tmp___0~3#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 510#L957 assume !(0 != test_~tmp___0~3#1); 511#L965 havoc test_#t~nondet52#1;test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 503#L967 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet53#1;test_~tmp___1~0#1 := test_#t~nondet53#1;havoc test_#t~nondet53#1; 504#L975 assume 0 != test_~tmp___1~0#1; 403#L982 assume { :begin_inline_timeShift } true; 404#L711-2 assume !(0 != ~pumpRunning~0); 466#L718-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 534#L769-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1; 441#L743-5 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 442#L735-11 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 454#L761-5 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 455#L787-2 assume true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 525#L726-2 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 523#L536-2 assume true;__utac_acc__Specification4_spec__1_#t~ret27#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret27#1;havoc __utac_acc__Specification4_spec__1_#t~ret27#1; 506#L427-2 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1); 508#L441-2 assume true;havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 435#L728-2 assume true;assume { :end_inline_timeShift } true; 436#L937 [2024-11-10 23:15:46,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:46,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1875213040, now seen corresponding path program 2 times [2024-11-10 23:15:46,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:46,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353033154] [2024-11-10 23:15:46,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:46,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:46,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:46,771 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:46,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:46,801 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:46,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:46,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1245886310, now seen corresponding path program 1 times [2024-11-10 23:15:46,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:46,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115014895] [2024-11-10 23:15:46,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:46,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:46,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:15:46,842 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 23:15:46,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:15:46,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115014895] [2024-11-10 23:15:46,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115014895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:15:46,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:15:46,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 23:15:46,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800173287] [2024-11-10 23:15:46,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:15:46,846 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:15:46,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:15:46,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:15:46,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:15:46,850 INFO L87 Difference]: Start difference. First operand 173 states and 228 transitions. cyclomatic complexity: 57 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:15:46,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:15:46,947 INFO L93 Difference]: Finished difference Result 234 states and 296 transitions. [2024-11-10 23:15:46,947 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 234 states and 296 transitions. [2024-11-10 23:15:46,949 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 162 [2024-11-10 23:15:46,950 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 234 states to 234 states and 296 transitions. [2024-11-10 23:15:46,951 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 234 [2024-11-10 23:15:46,951 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 234 [2024-11-10 23:15:46,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 234 states and 296 transitions. [2024-11-10 23:15:46,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:15:46,952 INFO L218 hiAutomatonCegarLoop]: Abstraction has 234 states and 296 transitions. [2024-11-10 23:15:46,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states and 296 transitions. [2024-11-10 23:15:46,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2024-11-10 23:15:46,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 234 states have (on average 1.264957264957265) internal successors, (296), 233 states have internal predecessors, (296), 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 23:15:46,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 296 transitions. [2024-11-10 23:15:46,961 INFO L240 hiAutomatonCegarLoop]: Abstraction has 234 states and 296 transitions. [2024-11-10 23:15:46,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:15:46,962 INFO L425 stractBuchiCegarLoop]: Abstraction has 234 states and 296 transitions. [2024-11-10 23:15:46,962 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-10 23:15:46,963 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 234 states and 296 transitions. [2024-11-10 23:15:46,964 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 162 [2024-11-10 23:15:46,964 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:46,964 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:46,965 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:46,965 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:46,965 INFO L745 eck$LassoCheckResult]: Stem: 974#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 863#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret34#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 864#L688 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 920#L681 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 885#L696 assume true;main_#t~ret34#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret34#1;havoc main_#t~ret34#1; 886#L652 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 975#L625 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_~splverifierCounter~0#1, test_~tmp~10#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~10#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 848#L937 [2024-11-10 23:15:46,965 INFO L747 eck$LassoCheckResult]: Loop: 848#L937 assume true; 835#L937-1 assume !false;assume true; 836#L939 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet50#1;test_~tmp~10#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 897#L947 assume !(0 != test_~tmp~10#1); 898#L955 havoc test_#t~nondet51#1;test_~tmp___0~3#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 921#L957 assume !(0 != test_~tmp___0~3#1); 922#L965 havoc test_#t~nondet52#1;test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 914#L967 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet53#1;test_~tmp___1~0#1 := test_#t~nondet53#1;havoc test_#t~nondet53#1; 915#L975 assume 0 != test_~tmp___1~0#1; 813#L982 assume { :begin_inline_timeShift } true; 814#L711-2 assume !(0 != ~pumpRunning~0); 927#L718-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 948#L769-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1; 853#L743-5 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret48#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~12#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;havoc isHighWaterSensorDry_~retValue_acc~5#1; 854#L544-5 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; 909#L549-5 assume true;isHighWaterLevel_#t~ret48#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret48#1;havoc isHighWaterLevel_#t~ret48#1; 796#L889-5 assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~1#1 := 0; 797#L894-5 isHighWaterLevel_~retValue_acc~12#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; 841#L895-5 assume true;processEnvironment__wrappee__highWaterSensor_#t~ret36#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret48#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~5#1 := processEnvironment__wrappee__highWaterSensor_#t~ret36#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1; 842#L747-5 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 952#L735-10 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 865#L761-5 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 866#L787-2 assume true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 939#L726-2 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 936#L536-2 assume true;__utac_acc__Specification4_spec__1_#t~ret27#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret27#1;havoc __utac_acc__Specification4_spec__1_#t~ret27#1; 917#L427-2 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1); 919#L441-2 assume true;havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 847#L728-2 assume true;assume { :end_inline_timeShift } true; 848#L937 [2024-11-10 23:15:46,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:46,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1875213040, now seen corresponding path program 3 times [2024-11-10 23:15:46,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:46,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734079095] [2024-11-10 23:15:46,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:46,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:46,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:46,975 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:46,984 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:46,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:46,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1322851279, now seen corresponding path program 1 times [2024-11-10 23:15:46,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:46,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902857475] [2024-11-10 23:15:46,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:46,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:47,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:47,008 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:47,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:47,026 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:47,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:47,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1854372770, now seen corresponding path program 1 times [2024-11-10 23:15:47,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:47,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899490113] [2024-11-10 23:15:47,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:47,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:47,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:47,047 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:47,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:47,059 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:47,925 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:47,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:15:47 BoogieIcfgContainer [2024-11-10 23:15:47,962 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:15:47,962 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:15:47,962 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:15:47,962 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:15:47,963 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:15:46" (3/4) ... [2024-11-10 23:15:47,964 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 23:15:48,000 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 23:15:48,000 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:15:48,000 INFO L158 Benchmark]: Toolchain (without parser) took 2753.76ms. Allocated memory was 169.9MB in the beginning and 304.1MB in the end (delta: 134.2MB). Free memory was 96.2MB in the beginning and 257.6MB in the end (delta: -161.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:15:48,001 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 169.9MB. Free memory is still 121.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:15:48,001 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.03ms. Allocated memory is still 169.9MB. Free memory was 96.1MB in the beginning and 137.6MB in the end (delta: -41.5MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2024-11-10 23:15:48,001 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.48ms. Allocated memory is still 169.9MB. Free memory was 137.6MB in the beginning and 133.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:15:48,002 INFO L158 Benchmark]: Boogie Preprocessor took 44.12ms. Allocated memory is still 169.9MB. Free memory was 133.4MB in the beginning and 130.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:15:48,002 INFO L158 Benchmark]: IcfgBuilder took 529.04ms. Allocated memory is still 169.9MB. Free memory was 130.5MB in the beginning and 93.6MB in the end (delta: 36.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-10 23:15:48,002 INFO L158 Benchmark]: BuchiAutomizer took 1649.84ms. Allocated memory was 169.9MB in the beginning and 304.1MB in the end (delta: 134.2MB). Free memory was 93.6MB in the beginning and 260.8MB in the end (delta: -167.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:15:48,003 INFO L158 Benchmark]: Witness Printer took 37.89ms. Allocated memory is still 304.1MB. Free memory was 260.8MB in the beginning and 257.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:15:48,004 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 169.9MB. Free memory is still 121.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 440.03ms. Allocated memory is still 169.9MB. Free memory was 96.1MB in the beginning and 137.6MB in the end (delta: -41.5MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.48ms. Allocated memory is still 169.9MB. Free memory was 137.6MB in the beginning and 133.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.12ms. Allocated memory is still 169.9MB. Free memory was 133.4MB in the beginning and 130.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 529.04ms. Allocated memory is still 169.9MB. Free memory was 130.5MB in the beginning and 93.6MB in the end (delta: 36.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 1649.84ms. Allocated memory was 169.9MB in the beginning and 304.1MB in the end (delta: 134.2MB). Free memory was 93.6MB in the beginning and 260.8MB in the end (delta: -167.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 37.89ms. Allocated memory is still 304.1MB. Free memory was 260.8MB in the beginning and 257.6MB 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [415] - GenericResultAtLocation [Line: 444]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [444] - GenericResultAtLocation [Line: 453]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [453] - GenericResultAtLocation [Line: 563]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [563] - GenericResultAtLocation [Line: 665]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [665] - GenericResultAtLocation [Line: 700]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [700] - GenericResultAtLocation [Line: 926]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [926] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 234 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. 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, 396 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 396 mSDsluCounter, 551 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 101 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 450 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 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: 937]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L461] int waterLevel = 1; [L462] int methaneLevelCritical = 0; [L564] int cleanupTimeShifts = 4; [L704] int pumpRunning = 0; [L705] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L643] int retValue_acc ; [L644] int tmp ; [L648] FCALL select_helpers() [L649] FCALL select_features() [L650] CALL, EXPR valid_product() [L692] int retValue_acc ; [L695] retValue_acc = 1 [L696] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L650] RET, EXPR valid_product() [L650] tmp = valid_product() [L652] COND TRUE \read(tmp) [L654] FCALL setup() [L655] CALL runTest() [L634] CALL test() [L928] int splverifierCounter ; [L929] int tmp ; [L930] int tmp___0 ; [L931] int tmp___1 ; [L932] int tmp___2 ; [L935] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L937] COND TRUE 1 [L939] COND TRUE splverifierCounter < 4 [L945] tmp = __VERIFIER_nondet_int() [L947] COND FALSE !(\read(tmp)) [L955] tmp___0 = __VERIFIER_nondet_int() [L957] COND FALSE !(\read(tmp___0)) [L965] tmp___2 = __VERIFIER_nondet_int() [L967] COND FALSE !(\read(tmp___2)) [L973] tmp___1 = __VERIFIER_nondet_int() [L975] COND TRUE \read(tmp___1) [L982] CALL timeShift() [L711] COND FALSE !(\read(pumpRunning)) [L718] COND TRUE \read(systemActive) [L720] CALL processEnvironment() [L766] int tmp ; [L769] COND FALSE !(\read(pumpRunning)) [L784] CALL processEnvironment__wrappee__highWaterSensor() [L740] int tmp ; [L743] COND TRUE ! pumpRunning [L745] CALL, EXPR isHighWaterLevel() [L881] int retValue_acc ; [L882] int tmp ; [L883] int tmp___0 ; [L887] CALL, EXPR isHighWaterSensorDry() [L541] int retValue_acc ; [L544] COND TRUE waterLevel < 2 [L545] retValue_acc = 1 [L546] return (retValue_acc); [L887] RET, EXPR isHighWaterSensorDry() [L887] tmp = isHighWaterSensorDry() [L889] COND TRUE \read(tmp) [L890] tmp___0 = 0 [L894] retValue_acc = tmp___0 [L895] return (retValue_acc); [L745] RET, EXPR isHighWaterLevel() [L745] tmp = isHighWaterLevel() [L747] COND FALSE !(\read(tmp)) [L753] FCALL processEnvironment__wrappee__base() [L784] RET processEnvironment__wrappee__highWaterSensor() [L720] RET processEnvironment() [L726] CALL __utac_acc__Specification4_spec__1() [L420] int tmp ; [L421] int tmp___0 ; [L425] CALL, EXPR getWaterLevel() [L532] int retValue_acc ; [L535] retValue_acc = waterLevel [L536] return (retValue_acc); [L425] RET, EXPR getWaterLevel() [L425] tmp = getWaterLevel() [L427] COND FALSE !(tmp == 0) [L726] RET __utac_acc__Specification4_spec__1() [L982] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 937]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L461] int waterLevel = 1; [L462] int methaneLevelCritical = 0; [L564] int cleanupTimeShifts = 4; [L704] int pumpRunning = 0; [L705] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L643] int retValue_acc ; [L644] int tmp ; [L648] FCALL select_helpers() [L649] FCALL select_features() [L650] CALL, EXPR valid_product() [L692] int retValue_acc ; [L695] retValue_acc = 1 [L696] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L650] RET, EXPR valid_product() [L650] tmp = valid_product() [L652] COND TRUE \read(tmp) [L654] FCALL setup() [L655] CALL runTest() [L634] CALL test() [L928] int splverifierCounter ; [L929] int tmp ; [L930] int tmp___0 ; [L931] int tmp___1 ; [L932] int tmp___2 ; [L935] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L937] COND TRUE 1 [L939] COND TRUE splverifierCounter < 4 [L945] tmp = __VERIFIER_nondet_int() [L947] COND FALSE !(\read(tmp)) [L955] tmp___0 = __VERIFIER_nondet_int() [L957] COND FALSE !(\read(tmp___0)) [L965] tmp___2 = __VERIFIER_nondet_int() [L967] COND FALSE !(\read(tmp___2)) [L973] tmp___1 = __VERIFIER_nondet_int() [L975] COND TRUE \read(tmp___1) [L982] CALL timeShift() [L711] COND FALSE !(\read(pumpRunning)) [L718] COND TRUE \read(systemActive) [L720] CALL processEnvironment() [L766] int tmp ; [L769] COND FALSE !(\read(pumpRunning)) [L784] CALL processEnvironment__wrappee__highWaterSensor() [L740] int tmp ; [L743] COND TRUE ! pumpRunning [L745] CALL, EXPR isHighWaterLevel() [L881] int retValue_acc ; [L882] int tmp ; [L883] int tmp___0 ; [L887] CALL, EXPR isHighWaterSensorDry() [L541] int retValue_acc ; [L544] COND TRUE waterLevel < 2 [L545] retValue_acc = 1 [L546] return (retValue_acc); [L887] RET, EXPR isHighWaterSensorDry() [L887] tmp = isHighWaterSensorDry() [L889] COND TRUE \read(tmp) [L890] tmp___0 = 0 [L894] retValue_acc = tmp___0 [L895] return (retValue_acc); [L745] RET, EXPR isHighWaterLevel() [L745] tmp = isHighWaterLevel() [L747] COND FALSE !(\read(tmp)) [L753] FCALL processEnvironment__wrappee__base() [L784] RET processEnvironment__wrappee__highWaterSensor() [L720] RET processEnvironment() [L726] CALL __utac_acc__Specification4_spec__1() [L420] int tmp ; [L421] int tmp___0 ; [L425] CALL, EXPR getWaterLevel() [L532] int retValue_acc ; [L535] retValue_acc = waterLevel [L536] return (retValue_acc); [L425] RET, EXPR getWaterLevel() [L425] tmp = getWaterLevel() [L427] COND FALSE !(tmp == 0) [L726] RET __utac_acc__Specification4_spec__1() [L982] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-10 23:15:48,031 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)