./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product56.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product56.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 c0bb085f1a2e359e53f6064743019c071065ce678b1651991605b55849e9a12f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:47:25,852 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:47:25,912 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-17 08:47:25,915 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:47:25,915 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:47:25,916 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:47:25,938 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:47:25,939 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:47:25,939 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:47:25,941 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:47:25,941 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:47:25,941 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:47:25,942 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:47:25,944 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:47:25,944 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:47:25,944 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:47:25,945 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:47:25,945 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:47:25,945 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:47:25,945 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:47:25,945 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:47:25,946 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:47:25,946 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 08:47:25,947 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:47:25,947 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 08:47:25,947 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:47:25,947 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:47:25,947 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:47:25,947 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:47:25,947 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:47:25,948 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:47:25,948 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 08:47:25,948 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:47:25,948 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:47:25,949 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:47:25,949 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:47:25,949 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:47:25,949 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:47:25,949 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:47:25,950 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:47:25,950 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0bb085f1a2e359e53f6064743019c071065ce678b1651991605b55849e9a12f [2024-11-17 08:47:26,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:47:26,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:47:26,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:47:26,150 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:47:26,150 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:47:26,151 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product56.cil.c [2024-11-17 08:47:27,348 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:47:27,536 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:47:27,537 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product56.cil.c [2024-11-17 08:47:27,548 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e37daf154/03db21beb3174677b55af9f77016ee4a/FLAGd8e04b0d5 [2024-11-17 08:47:27,559 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e37daf154/03db21beb3174677b55af9f77016ee4a [2024-11-17 08:47:27,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:47:27,561 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:47:27,562 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:47:27,562 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:47:27,567 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:47:27,568 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:47:27" (1/1) ... [2024-11-17 08:47:27,568 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20b7da06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:27, skipping insertion in model container [2024-11-17 08:47:27,569 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:47:27" (1/1) ... [2024-11-17 08:47:27,605 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:47:27,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:47:27,874 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:47:27,882 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-11-17 08:47:27,883 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [153] [2024-11-17 08:47:27,883 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [519] [2024-11-17 08:47:27,883 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [554] [2024-11-17 08:47:27,884 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [592] [2024-11-17 08:47:27,884 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [699] [2024-11-17 08:47:27,884 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [949] [2024-11-17 08:47:27,884 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1018] [2024-11-17 08:47:27,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:47:27,962 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:47:27,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:27 WrapperNode [2024-11-17 08:47:27,963 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:47:27,964 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:47:27,964 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:47:27,964 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:47:27,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:27" (1/1) ... [2024-11-17 08:47:27,984 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:27" (1/1) ... [2024-11-17 08:47:28,026 INFO L138 Inliner]: procedures = 58, calls = 107, calls flagged for inlining = 60, calls inlined = 146, statements flattened = 992 [2024-11-17 08:47:28,027 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:47:28,028 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:47:28,031 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:47:28,031 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:47:28,041 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:27" (1/1) ... [2024-11-17 08:47:28,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:27" (1/1) ... [2024-11-17 08:47:28,048 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:27" (1/1) ... [2024-11-17 08:47:28,068 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-17 08:47:28,068 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:27" (1/1) ... [2024-11-17 08:47:28,069 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:27" (1/1) ... [2024-11-17 08:47:28,081 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:27" (1/1) ... [2024-11-17 08:47:28,082 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:27" (1/1) ... [2024-11-17 08:47:28,084 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:27" (1/1) ... [2024-11-17 08:47:28,085 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:27" (1/1) ... [2024-11-17 08:47:28,088 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:47:28,089 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:47:28,089 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:47:28,089 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:47:28,090 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:27" (1/1) ... [2024-11-17 08:47:28,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:47:28,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:47:28,132 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:47:28,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-17 08:47:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 08:47:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 08:47:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:47:28,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:47:28,239 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:47:28,241 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:47:28,751 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L696-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~9#1; [2024-11-17 08:47:28,751 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L696-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~9#1; [2024-11-17 08:47:28,751 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L696-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~9#1; [2024-11-17 08:47:28,751 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L696-7: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~9#1; [2024-11-17 08:47:28,752 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L696-9: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~9#1; [2024-11-17 08:47:28,752 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L696-11: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~9#1; [2024-11-17 08:47:28,752 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L904-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-17 08:47:28,752 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L904-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-17 08:47:28,752 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L904-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-17 08:47:28,752 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L904-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-17 08:47:28,752 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L673-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; [2024-11-17 08:47:28,752 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L904-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-17 08:47:28,752 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L673-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; [2024-11-17 08:47:28,752 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L904-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-17 08:47:28,752 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L673-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; [2024-11-17 08:47:28,752 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L904-13: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-17 08:47:28,752 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L904-15: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-17 08:47:28,753 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L904-17: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-17 08:47:28,753 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L904-19: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-17 08:47:28,753 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L904-21: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-17 08:47:28,753 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L904-23: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-17 08:47:28,753 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L641-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-17 08:47:28,753 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L641-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-17 08:47:28,753 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L641-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-17 08:47:28,753 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L641-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-17 08:47:28,753 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L641-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-17 08:47:28,753 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L641-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-17 08:47:28,753 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L840-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2024-11-17 08:47:28,753 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L840-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2024-11-17 08:47:28,754 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L840-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2024-11-17 08:47:28,754 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L150-1: main_#res#1 := main_~retValue_acc~0#1; [2024-11-17 08:47:28,754 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L551-1: valid_product_#res#1 := valid_product_~retValue_acc~5#1; [2024-11-17 08:47:28,754 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L849-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~11#1; [2024-11-17 08:47:28,754 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L849-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~11#1; [2024-11-17 08:47:28,754 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L849-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~11#1; [2024-11-17 08:47:28,754 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L687-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:47:28,754 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L687-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:47:28,754 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L687-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:47:28,754 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L687-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:47:28,754 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L687-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:47:28,755 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L687-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:47:28,755 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L687-13: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:47:28,755 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L687-15: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:47:28,755 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L687-17: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:47:28,755 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L687-19: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:47:28,755 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L687-21: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:47:28,755 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L687-23: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:47:28,755 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L923-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~13#1; [2024-11-17 08:47:28,755 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L923-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~13#1; [2024-11-17 08:47:28,755 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L923-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~13#1; [2024-11-17 08:47:28,755 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L923-7: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~13#1; [2024-11-17 08:47:28,755 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L923-9: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~13#1; [2024-11-17 08:47:28,755 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L923-11: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~13#1; [2024-11-17 08:47:28,782 INFO L? ?]: Removed 247 outVars from TransFormulas that were not future-live. [2024-11-17 08:47:28,782 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:47:28,797 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:47:28,798 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:47:28,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:47:28 BoogieIcfgContainer [2024-11-17 08:47:28,802 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:47:28,802 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:47:28,802 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:47:28,807 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:47:28,808 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:47:28,808 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:47:27" (1/3) ... [2024-11-17 08:47:28,809 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@46e93435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:47:28, skipping insertion in model container [2024-11-17 08:47:28,809 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:47:28,809 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:27" (2/3) ... [2024-11-17 08:47:28,809 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@46e93435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:47:28, skipping insertion in model container [2024-11-17 08:47:28,810 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:47:28,810 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:47:28" (3/3) ... [2024-11-17 08:47:28,811 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product56.cil.c [2024-11-17 08:47:28,860 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:47:28,860 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:47:28,860 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:47:28,860 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:47:28,860 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:47:28,861 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:47:28,861 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:47:28,861 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:47:28,864 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 286 states, 285 states have (on average 1.3649122807017544) internal successors, (389), 285 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:47:28,890 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 188 [2024-11-17 08:47:28,891 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:47:28,891 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:47:28,897 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:47:28,897 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:47:28,897 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:47:28,898 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 286 states, 285 states have (on average 1.3649122807017544) internal successors, (389), 285 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:47:28,907 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 188 [2024-11-17 08:47:28,907 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:47:28,907 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:47:28,908 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:47:28,908 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:47:28,912 INFO L745 eck$LassoCheckResult]: Stem: 265#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;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 23#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; 158#L542true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 231#L535true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 150#L550true assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 60#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 256#L113true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_#t~nondet54#1, test_~splverifierCounter~0#1, test_~tmp~10#1, test_~tmp___0~3#1, test_~tmp___1~1#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___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 6#L960true [2024-11-17 08:47:28,912 INFO L747 eck$LassoCheckResult]: Loop: 6#L960true assume true; 160#L960-1true assume !false; 269#test_while_4_continue#1true assume true; 20#L962true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet51#1;test_~tmp~10#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 17#L970true assume !(0 != test_~tmp~10#1); 8#L978true havoc test_#t~nondet52#1;test_~tmp___0~3#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 237#L980true assume !(0 != test_~tmp___0~3#1); 38#L988true havoc test_#t~nondet53#1;test_~tmp___2~0#1 := test_#t~nondet53#1;havoc test_#t~nondet53#1; 104#L990true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet54#1;test_~tmp___1~1#1 := test_#t~nondet54#1;havoc test_#t~nondet54#1; 215#L998true assume !(0 != test_~tmp___1~1#1); 87#L1007true assume { :begin_inline_timeShift } true; 72#L711-2true assume !(0 != ~pumpRunning~0); 278#L718-2true assume !(0 != ~systemActive~0); 220#L726-2true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 165#L640-4true assume true;__utac_acc__Specification3_spec__1_#t~ret29#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret29#1;havoc __utac_acc__Specification3_spec__1_#t~ret29#1; 32#L568-2true assume 0 != __utac_acc__Specification3_spec__1_~tmp~4#1; 280#L589-2true assume true;havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 15#L728-2true assume true;assume { :end_inline_timeShift } true; 6#L960true [2024-11-17 08:47:28,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:28,916 INFO L85 PathProgramCache]: Analyzing trace with hash -726268316, now seen corresponding path program 1 times [2024-11-17 08:47:28,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:28,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891644133] [2024-11-17 08:47:28,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:28,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:29,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:29,002 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:47:29,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:29,029 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:47:29,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:29,031 INFO L85 PathProgramCache]: Analyzing trace with hash -713004402, now seen corresponding path program 1 times [2024-11-17 08:47:29,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:29,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942826072] [2024-11-17 08:47:29,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:29,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:29,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:29,037 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:47:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:29,042 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:47:29,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:29,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1343963599, now seen corresponding path program 1 times [2024-11-17 08:47:29,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:29,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217484756] [2024-11-17 08:47:29,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:29,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:29,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:47:29,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:47:29,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:47:29,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217484756] [2024-11-17 08:47:29,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217484756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:47:29,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:47:29,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 08:47:29,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304091632] [2024-11-17 08:47:29,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:47:29,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:47:29,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 08:47:29,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 08:47:29,329 INFO L87 Difference]: Start difference. First operand has 286 states, 285 states have (on average 1.3649122807017544) internal successors, (389), 285 states have internal predecessors, (389), 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 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:47:29,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:47:29,442 INFO L93 Difference]: Finished difference Result 624 states and 831 transitions. [2024-11-17 08:47:29,443 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 624 states and 831 transitions. [2024-11-17 08:47:29,449 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 410 [2024-11-17 08:47:29,455 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 624 states to 591 states and 798 transitions. [2024-11-17 08:47:29,458 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 591 [2024-11-17 08:47:29,460 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 591 [2024-11-17 08:47:29,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 591 states and 798 transitions. [2024-11-17 08:47:29,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:47:29,463 INFO L218 hiAutomatonCegarLoop]: Abstraction has 591 states and 798 transitions. [2024-11-17 08:47:29,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states and 798 transitions. [2024-11-17 08:47:29,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 328. [2024-11-17 08:47:29,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 328 states have (on average 1.3475609756097562) internal successors, (442), 327 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:47:29,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 442 transitions. [2024-11-17 08:47:29,508 INFO L240 hiAutomatonCegarLoop]: Abstraction has 328 states and 442 transitions. [2024-11-17 08:47:29,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 08:47:29,513 INFO L425 stractBuchiCegarLoop]: Abstraction has 328 states and 442 transitions. [2024-11-17 08:47:29,514 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:47:29,514 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 328 states and 442 transitions. [2024-11-17 08:47:29,516 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 227 [2024-11-17 08:47:29,516 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:47:29,516 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:47:29,517 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:47:29,517 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] [2024-11-17 08:47:29,517 INFO L745 eck$LassoCheckResult]: Stem: 1196#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;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 966#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; 967#L542 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1144#L535 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 1140#L550 assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 1031#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1032#L113 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_#t~nondet54#1, test_~splverifierCounter~0#1, test_~tmp~10#1, test_~tmp___0~3#1, test_~tmp___1~1#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___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 936#L960 [2024-11-17 08:47:29,518 INFO L747 eck$LassoCheckResult]: Loop: 936#L960 assume true; 937#L960-1 assume !false; 1145#test_while_4_continue#1 assume true; 960#L962 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet51#1;test_~tmp~10#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 954#L970 assume !(0 != test_~tmp~10#1); 938#L978 havoc test_#t~nondet52#1;test_~tmp___0~3#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 939#L980 assume !(0 != test_~tmp___0~3#1); 989#L988 havoc test_#t~nondet53#1;test_~tmp___2~0#1 := test_#t~nondet53#1;havoc test_#t~nondet53#1; 990#L990 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet54#1;test_~tmp___1~1#1 := test_#t~nondet54#1;havoc test_#t~nondet54#1; 1091#L998 assume !(0 != test_~tmp___1~1#1); 1073#L1007 assume { :begin_inline_timeShift } true; 1049#L711-2 assume !(0 != ~pumpRunning~0); 1051#L718-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 1166#L795-2 assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret40#1, isMethaneAlarm_~retValue_acc~10#1;havoc isMethaneAlarm_~retValue_acc~10#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 1002#L640-5 assume true;isMethaneAlarm_#t~ret40#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~10#1 := isMethaneAlarm_#t~ret40#1;havoc isMethaneAlarm_#t~ret40#1;isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; 1003#L839-2 assume true;processEnvironment_#t~ret39#1 := isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret40#1, isMethaneAlarm_~retValue_acc~10#1;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~7#1 := processEnvironment_#t~ret39#1;havoc processEnvironment_#t~ret39#1; 1038#L799-2 assume 0 != processEnvironment_~tmp~7#1;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; 1132#L829-6 assume true;assume { :end_inline_deactivatePump } true; 996#L813-2 assume true;havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~7#1;assume { :end_inline_processEnvironment } true; 1169#L726-2 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 1149#L640-4 assume true;__utac_acc__Specification3_spec__1_#t~ret29#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret29#1;havoc __utac_acc__Specification3_spec__1_#t~ret29#1; 982#L568-2 assume 0 != __utac_acc__Specification3_spec__1_~tmp~4#1; 983#L589-2 assume true;havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 951#L728-2 assume true;assume { :end_inline_timeShift } true; 936#L960 [2024-11-17 08:47:29,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:29,518 INFO L85 PathProgramCache]: Analyzing trace with hash -726268316, now seen corresponding path program 2 times [2024-11-17 08:47:29,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:29,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935645252] [2024-11-17 08:47:29,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:29,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:29,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:29,530 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:47:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:29,537 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:47:29,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:29,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1158694238, now seen corresponding path program 1 times [2024-11-17 08:47:29,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:29,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007882459] [2024-11-17 08:47:29,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:29,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:47:29,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:47:29,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:47:29,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007882459] [2024-11-17 08:47:29,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007882459] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:47:29,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:47:29,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 08:47:29,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496833278] [2024-11-17 08:47:29,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:47:29,569 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-17 08:47:29,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:47:29,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:47:29,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:47:29,569 INFO L87 Difference]: Start difference. First operand 328 states and 442 transitions. cyclomatic complexity: 117 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:47:29,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:47:29,650 INFO L93 Difference]: Finished difference Result 341 states and 435 transitions. [2024-11-17 08:47:29,650 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 341 states and 435 transitions. [2024-11-17 08:47:29,652 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 242 [2024-11-17 08:47:29,656 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 341 states to 341 states and 435 transitions. [2024-11-17 08:47:29,656 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 341 [2024-11-17 08:47:29,657 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 341 [2024-11-17 08:47:29,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 341 states and 435 transitions. [2024-11-17 08:47:29,658 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:47:29,659 INFO L218 hiAutomatonCegarLoop]: Abstraction has 341 states and 435 transitions. [2024-11-17 08:47:29,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states and 435 transitions. [2024-11-17 08:47:29,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 341. [2024-11-17 08:47:29,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 341 states have (on average 1.2756598240469208) internal successors, (435), 340 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:47:29,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 435 transitions. [2024-11-17 08:47:29,670 INFO L240 hiAutomatonCegarLoop]: Abstraction has 341 states and 435 transitions. [2024-11-17 08:47:29,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 08:47:29,674 INFO L425 stractBuchiCegarLoop]: Abstraction has 341 states and 435 transitions. [2024-11-17 08:47:29,674 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-17 08:47:29,674 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 341 states and 435 transitions. [2024-11-17 08:47:29,675 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 242 [2024-11-17 08:47:29,677 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:47:29,677 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:47:29,677 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:47:29,677 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, 1] [2024-11-17 08:47:29,677 INFO L745 eck$LassoCheckResult]: Stem: 1839#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;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 1637#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; 1638#L542 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1779#L535 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 1775#L550 assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 1685#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1686#L113 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_#t~nondet54#1, test_~splverifierCounter~0#1, test_~tmp~10#1, test_~tmp___0~3#1, test_~tmp___1~1#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___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1605#L960 [2024-11-17 08:47:29,678 INFO L747 eck$LassoCheckResult]: Loop: 1605#L960 assume true; 1606#L960-1 assume !false; 1840#test_while_4_continue#1 assume true; 1841#L962 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet51#1;test_~tmp~10#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 1620#L970 assume !(0 != test_~tmp~10#1); 1607#L978 havoc test_#t~nondet52#1;test_~tmp___0~3#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 1608#L980 assume !(0 != test_~tmp___0~3#1); 1806#L988 havoc test_#t~nondet53#1;test_~tmp___2~0#1 := test_#t~nondet53#1;havoc test_#t~nondet53#1; 1911#L990 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1733#L946 assume true;assume { :end_inline_startSystem } true; 1822#L1007 assume { :begin_inline_timeShift } true; 1702#L711-2 assume !(0 != ~pumpRunning~0); 1703#L718-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 1807#L795-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret38#1, processEnvironment__wrappee__lowWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~6#1; 1695#L769-5 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret37#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1; 1696#L743-11 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret49#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~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1; 1773#L680-11 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; 1738#L685-11 assume true;isHighWaterLevel_#t~ret49#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret49#1;havoc isHighWaterLevel_#t~ret49#1; 1739#L897-11 assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1657#L902-11 isHighWaterLevel_~retValue_acc~12#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; 1658#L903-11 assume true;processEnvironment__wrappee__highWaterSensor_#t~ret37#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret49#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~ret37#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret37#1; 1689#L747-11 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1801#L735-22 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 1774#L761-11 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret37#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1662#L787-5 assume true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret38#1, processEnvironment__wrappee__lowWaterSensor_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 1663#L813-2 assume true;havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~7#1;assume { :end_inline_processEnvironment } true; 1809#L726-2 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 1787#L640-4 assume true;__utac_acc__Specification3_spec__1_#t~ret29#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret29#1;havoc __utac_acc__Specification3_spec__1_#t~ret29#1; 1788#L568-2 assume 0 != __utac_acc__Specification3_spec__1_~tmp~4#1; 1913#L589-2 assume true;havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1617#L728-2 assume true;assume { :end_inline_timeShift } true; 1605#L960 [2024-11-17 08:47:29,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:29,679 INFO L85 PathProgramCache]: Analyzing trace with hash -726268316, now seen corresponding path program 3 times [2024-11-17 08:47:29,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:29,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417468917] [2024-11-17 08:47:29,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:29,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:29,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:29,689 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:47:29,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:29,700 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:47:29,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:29,701 INFO L85 PathProgramCache]: Analyzing trace with hash -2013522394, now seen corresponding path program 1 times [2024-11-17 08:47:29,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:29,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603330137] [2024-11-17 08:47:29,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:29,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:29,713 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:47:29,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:29,720 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:47:29,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:29,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1756234595, now seen corresponding path program 1 times [2024-11-17 08:47:29,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:29,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62413076] [2024-11-17 08:47:29,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:29,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:29,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:47:29,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:47:29,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:47:29,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62413076] [2024-11-17 08:47:29,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62413076] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:47:29,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:47:29,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 08:47:29,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47319088] [2024-11-17 08:47:29,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:47:29,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:47:29,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 08:47:29,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 08:47:29,951 INFO L87 Difference]: Start difference. First operand 341 states and 435 transitions. cyclomatic complexity: 97 Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:47:30,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:47:30,038 INFO L93 Difference]: Finished difference Result 675 states and 851 transitions. [2024-11-17 08:47:30,038 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 675 states and 851 transitions. [2024-11-17 08:47:30,043 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 484 [2024-11-17 08:47:30,046 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 675 states to 675 states and 851 transitions. [2024-11-17 08:47:30,046 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 675 [2024-11-17 08:47:30,046 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 675 [2024-11-17 08:47:30,046 INFO L73 IsDeterministic]: Start isDeterministic. Operand 675 states and 851 transitions. [2024-11-17 08:47:30,047 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:47:30,047 INFO L218 hiAutomatonCegarLoop]: Abstraction has 675 states and 851 transitions. [2024-11-17 08:47:30,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states and 851 transitions. [2024-11-17 08:47:30,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 675. [2024-11-17 08:47:30,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 675 states, 675 states have (on average 1.2607407407407407) internal successors, (851), 674 states have internal predecessors, (851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:47:30,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 851 transitions. [2024-11-17 08:47:30,058 INFO L240 hiAutomatonCegarLoop]: Abstraction has 675 states and 851 transitions. [2024-11-17 08:47:30,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 08:47:30,059 INFO L425 stractBuchiCegarLoop]: Abstraction has 675 states and 851 transitions. [2024-11-17 08:47:30,060 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-17 08:47:30,060 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 675 states and 851 transitions. [2024-11-17 08:47:30,062 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 484 [2024-11-17 08:47:30,062 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:47:30,062 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:47:30,063 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:47:30,063 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, 1, 1, 1] [2024-11-17 08:47:30,063 INFO L745 eck$LassoCheckResult]: Stem: 2913#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;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 2667#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; 2668#L542 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2829#L535 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 2822#L550 assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 2719#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 2720#L113 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_#t~nondet54#1, test_~splverifierCounter~0#1, test_~tmp~10#1, test_~tmp___0~3#1, test_~tmp___1~1#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___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 2906#L960 [2024-11-17 08:47:30,063 INFO L747 eck$LassoCheckResult]: Loop: 2906#L960 assume true; 3254#L960-1 assume !false; 3253#test_while_4_continue#1 assume true; 3251#L962 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet51#1;test_~tmp~10#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 3252#L970 assume !(0 != test_~tmp~10#1); 3276#L978 havoc test_#t~nondet52#1;test_~tmp___0~3#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 3275#L980 assume !(0 != test_~tmp___0~3#1); 3273#L988 havoc test_#t~nondet53#1;test_~tmp___2~0#1 := test_#t~nondet53#1;havoc test_#t~nondet53#1; 3272#L990 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 2916#L946 assume true;assume { :end_inline_startSystem } true; 2917#L1007 assume { :begin_inline_timeShift } true; 2986#L711-2 assume !(0 != ~pumpRunning~0); 2985#L718-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 2855#L795-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret38#1, processEnvironment__wrappee__lowWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~6#1; 2727#L769-5 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret37#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1; 2728#L743-11 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret49#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~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1; 2821#L680-11 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; 2776#L685-11 assume true;isHighWaterLevel_#t~ret49#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret49#1;havoc isHighWaterLevel_#t~ret49#1; 2777#L897-11 assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~1#1 := 0; 2686#L902-11 isHighWaterLevel_~retValue_acc~12#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; 2687#L903-11 assume true;processEnvironment__wrappee__highWaterSensor_#t~ret37#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret49#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~ret37#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret37#1; 2718#L747-11 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 2850#L735-22 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 2819#L761-11 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret37#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 2690#L787-5 assume true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret38#1, processEnvironment__wrappee__lowWaterSensor_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 2691#L813-2 assume true;havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~7#1;assume { :end_inline_processEnvironment } true; 2857#L726-2 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 2836#L640-4 assume true;__utac_acc__Specification3_spec__1_#t~ret29#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret29#1;havoc __utac_acc__Specification3_spec__1_#t~ret29#1; 2677#L568-2 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 2643#L672-2 assume true;__utac_acc__Specification3_spec__1_#t~ret30#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret30#1;havoc __utac_acc__Specification3_spec__1_#t~ret30#1; 2644#L574-2 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1); 2717#L589-2 assume true;havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 2921#L728-2 assume true;assume { :end_inline_timeShift } true; 2906#L960 [2024-11-17 08:47:30,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:30,064 INFO L85 PathProgramCache]: Analyzing trace with hash -726268316, now seen corresponding path program 4 times [2024-11-17 08:47:30,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:30,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781593284] [2024-11-17 08:47:30,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:30,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:30,069 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:47:30,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:30,073 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:47:30,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:30,074 INFO L85 PathProgramCache]: Analyzing trace with hash 2034750980, now seen corresponding path program 1 times [2024-11-17 08:47:30,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:30,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804551042] [2024-11-17 08:47:30,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:30,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:30,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:30,079 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:47:30,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:30,086 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:47:30,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:30,090 INFO L85 PathProgramCache]: Analyzing trace with hash -181180415, now seen corresponding path program 1 times [2024-11-17 08:47:30,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:30,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346408151] [2024-11-17 08:47:30,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:30,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:30,101 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:47:30,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:30,110 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:47:30,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:30,682 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:47:30,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:30,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:47:30 BoogieIcfgContainer [2024-11-17 08:47:30,720 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:47:30,721 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:47:30,721 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:47:30,721 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:47:30,721 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:47:28" (3/4) ... [2024-11-17 08:47:30,722 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-17 08:47:30,763 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 08:47:30,763 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:47:30,764 INFO L158 Benchmark]: Toolchain (without parser) took 3202.22ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 141.8MB in the beginning and 125.3MB in the end (delta: 16.5MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2024-11-17 08:47:30,766 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 130.0MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:47:30,766 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.75ms. Allocated memory is still 172.0MB. Free memory was 141.6MB in the beginning and 122.8MB in the end (delta: 18.8MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2024-11-17 08:47:30,766 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.56ms. Allocated memory is still 172.0MB. Free memory was 122.8MB in the beginning and 118.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 08:47:30,766 INFO L158 Benchmark]: Boogie Preprocessor took 60.69ms. Allocated memory is still 172.0MB. Free memory was 118.6MB in the beginning and 114.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 08:47:30,767 INFO L158 Benchmark]: IcfgBuilder took 713.05ms. Allocated memory is still 172.0MB. Free memory was 113.8MB in the beginning and 120.6MB in the end (delta: -6.7MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2024-11-17 08:47:30,767 INFO L158 Benchmark]: BuchiAutomizer took 1918.00ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 120.6MB in the beginning and 128.4MB in the end (delta: -7.9MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2024-11-17 08:47:30,767 INFO L158 Benchmark]: Witness Printer took 42.54ms. Allocated memory is still 207.6MB. Free memory was 128.4MB in the beginning and 125.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 08:47:30,768 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 130.0MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 400.75ms. Allocated memory is still 172.0MB. Free memory was 141.6MB in the beginning and 122.8MB in the end (delta: 18.8MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.56ms. Allocated memory is still 172.0MB. Free memory was 122.8MB in the beginning and 118.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.69ms. Allocated memory is still 172.0MB. Free memory was 118.6MB in the beginning and 114.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 713.05ms. Allocated memory is still 172.0MB. Free memory was 113.8MB in the beginning and 120.6MB in the end (delta: -6.7MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 1918.00ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 120.6MB in the beginning and 128.4MB in the end (delta: -7.9MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. * Witness Printer took 42.54ms. Allocated memory is still 207.6MB. Free memory was 128.4MB in the beginning and 125.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [153] - GenericResultAtLocation [Line: 519]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [519] - GenericResultAtLocation [Line: 554]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [554] - GenericResultAtLocation [Line: 592]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [592] - GenericResultAtLocation [Line: 699]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [699] - GenericResultAtLocation [Line: 949]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [949] - GenericResultAtLocation [Line: 1018]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1018] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 675 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 263 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, 1502 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1502 mSDsluCounter, 3360 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2318 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 146 IncrementalHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 1042 mSDtfsCounter, 146 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc2 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: 960]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L323] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L597] int waterLevel = 1; [L598] int methaneLevelCritical = 0; [L704] int pumpRunning = 0; [L705] int systemActive = 1; 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() [L546] int retValue_acc ; [L549] retValue_acc = 1 [L550] 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() [L951] int splverifierCounter ; [L952] int tmp ; [L953] int tmp___0 ; [L954] int tmp___1 ; [L955] int tmp___2 ; [L958] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L960] COND TRUE 1 [L962] COND TRUE splverifierCounter < 4 [L968] tmp = __VERIFIER_nondet_int() [L970] COND FALSE !(\read(tmp)) [L978] tmp___0 = __VERIFIER_nondet_int() [L980] COND FALSE !(\read(tmp___0)) [L988] tmp___2 = __VERIFIER_nondet_int() [L990] COND TRUE \read(tmp___2) [L992] CALL startSystem() [L945] systemActive = 1 [L992] RET startSystem() [L1007] CALL timeShift() [L711] COND FALSE !(\read(pumpRunning)) [L718] COND TRUE \read(systemActive) [L720] CALL processEnvironment() [L792] int tmp ; [L795] COND FALSE !(\read(pumpRunning)) [L810] CALL processEnvironment__wrappee__lowWaterSensor() [L766] int tmp ; [L769] COND FALSE !(\read(pumpRunning)) [L784] CALL processEnvironment__wrappee__highWaterSensor() [L740] int tmp ; [L743] COND TRUE ! pumpRunning [L745] CALL, EXPR isHighWaterLevel() [L889] int retValue_acc ; [L890] int tmp ; [L891] int tmp___0 ; [L895] CALL, EXPR isHighWaterSensorDry() [L677] int retValue_acc ; [L680] COND TRUE waterLevel < 2 [L681] retValue_acc = 1 [L682] return (retValue_acc); [L895] RET, EXPR isHighWaterSensorDry() [L895] tmp = isHighWaterSensorDry() [L897] COND TRUE \read(tmp) [L898] tmp___0 = 0 [L902] retValue_acc = tmp___0 [L903] 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() [L810] RET processEnvironment__wrappee__lowWaterSensor() [L720] RET processEnvironment() [L726] CALL __utac_acc__Specification3_spec__1() [L560] int tmp ; [L561] int tmp___0 ; [L562] int tmp___1 ; [L566] CALL, EXPR isMethaneLevelCritical() [L636] int retValue_acc ; [L639] retValue_acc = methaneLevelCritical [L640] return (retValue_acc); [L566] RET, EXPR isMethaneLevelCritical() [L566] tmp = isMethaneLevelCritical() [L568] COND FALSE !(\read(tmp)) [L572] CALL, EXPR getWaterLevel() [L668] int retValue_acc ; [L671] retValue_acc = waterLevel [L672] return (retValue_acc); [L572] RET, EXPR getWaterLevel() [L572] tmp___0 = getWaterLevel() [L574] COND FALSE !(tmp___0 == 2) [L726] RET __utac_acc__Specification3_spec__1() [L1007] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 960]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L323] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L597] int waterLevel = 1; [L598] int methaneLevelCritical = 0; [L704] int pumpRunning = 0; [L705] int systemActive = 1; 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() [L546] int retValue_acc ; [L549] retValue_acc = 1 [L550] 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() [L951] int splverifierCounter ; [L952] int tmp ; [L953] int tmp___0 ; [L954] int tmp___1 ; [L955] int tmp___2 ; [L958] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L960] COND TRUE 1 [L962] COND TRUE splverifierCounter < 4 [L968] tmp = __VERIFIER_nondet_int() [L970] COND FALSE !(\read(tmp)) [L978] tmp___0 = __VERIFIER_nondet_int() [L980] COND FALSE !(\read(tmp___0)) [L988] tmp___2 = __VERIFIER_nondet_int() [L990] COND TRUE \read(tmp___2) [L992] CALL startSystem() [L945] systemActive = 1 [L992] RET startSystem() [L1007] CALL timeShift() [L711] COND FALSE !(\read(pumpRunning)) [L718] COND TRUE \read(systemActive) [L720] CALL processEnvironment() [L792] int tmp ; [L795] COND FALSE !(\read(pumpRunning)) [L810] CALL processEnvironment__wrappee__lowWaterSensor() [L766] int tmp ; [L769] COND FALSE !(\read(pumpRunning)) [L784] CALL processEnvironment__wrappee__highWaterSensor() [L740] int tmp ; [L743] COND TRUE ! pumpRunning [L745] CALL, EXPR isHighWaterLevel() [L889] int retValue_acc ; [L890] int tmp ; [L891] int tmp___0 ; [L895] CALL, EXPR isHighWaterSensorDry() [L677] int retValue_acc ; [L680] COND TRUE waterLevel < 2 [L681] retValue_acc = 1 [L682] return (retValue_acc); [L895] RET, EXPR isHighWaterSensorDry() [L895] tmp = isHighWaterSensorDry() [L897] COND TRUE \read(tmp) [L898] tmp___0 = 0 [L902] retValue_acc = tmp___0 [L903] 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() [L810] RET processEnvironment__wrappee__lowWaterSensor() [L720] RET processEnvironment() [L726] CALL __utac_acc__Specification3_spec__1() [L560] int tmp ; [L561] int tmp___0 ; [L562] int tmp___1 ; [L566] CALL, EXPR isMethaneLevelCritical() [L636] int retValue_acc ; [L639] retValue_acc = methaneLevelCritical [L640] return (retValue_acc); [L566] RET, EXPR isMethaneLevelCritical() [L566] tmp = isMethaneLevelCritical() [L568] COND FALSE !(\read(tmp)) [L572] CALL, EXPR getWaterLevel() [L668] int retValue_acc ; [L671] retValue_acc = waterLevel [L672] return (retValue_acc); [L572] RET, EXPR getWaterLevel() [L572] tmp___0 = getWaterLevel() [L574] COND FALSE !(tmp___0 == 2) [L726] RET __utac_acc__Specification3_spec__1() [L1007] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-17 08:47:30,791 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)