./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product51.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_spec1_product51.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 311cf727219391e066955da60e9a83cfca77eaf7b53c342c6934d47c5123e76f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:45:54,530 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:45:54,586 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-17 08:45:54,591 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:45:54,591 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:45:54,592 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:45:54,616 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:45:54,617 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:45:54,617 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:45:54,618 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:45:54,619 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:45:54,619 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:45:54,620 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:45:54,621 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:45:54,622 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:45:54,622 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:45:54,622 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:45:54,622 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:45:54,622 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:45:54,622 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:45:54,623 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:45:54,625 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:45:54,625 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 08:45:54,625 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:45:54,625 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 08:45:54,626 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:45:54,626 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:45:54,626 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:45:54,626 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:45:54,626 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:45:54,627 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:45:54,627 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 08:45:54,627 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:45:54,627 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:45:54,627 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:45:54,627 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:45:54,627 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:45:54,628 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:45:54,628 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:45:54,628 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:45:54,629 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 311cf727219391e066955da60e9a83cfca77eaf7b53c342c6934d47c5123e76f [2024-11-17 08:45:54,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:45:54,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:45:54,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:45:54,830 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:45:54,830 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:45:54,831 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product51.cil.c [2024-11-17 08:45:56,042 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:45:56,211 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:45:56,213 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product51.cil.c [2024-11-17 08:45:56,222 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8c1f8b29/4fdab7a99bea4294b2b3671ac8f0c27d/FLAGe4b9b19b6 [2024-11-17 08:45:56,593 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8c1f8b29/4fdab7a99bea4294b2b3671ac8f0c27d [2024-11-17 08:45:56,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:45:56,596 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:45:56,597 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:45:56,597 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:45:56,601 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:45:56,602 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:45:56" (1/1) ... [2024-11-17 08:45:56,602 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c54a10f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:56, skipping insertion in model container [2024-11-17 08:45:56,602 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:45:56" (1/1) ... [2024-11-17 08:45:56,638 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:45:56,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:45:56,870 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:45:56,878 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2024-11-17 08:45:56,879 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] [2024-11-17 08:45:56,879 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [343] [2024-11-17 08:45:56,879 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [709] [2024-11-17 08:45:56,880 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [718] [2024-11-17 08:45:56,880 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [756] [2024-11-17 08:45:56,880 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [782] [2024-11-17 08:45:56,880 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [878] [2024-11-17 08:45:56,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:45:56,979 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:45:56,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:56 WrapperNode [2024-11-17 08:45:56,979 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:45:56,980 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:45:56,980 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:45:56,980 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:45:56,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:56" (1/1) ... [2024-11-17 08:45:56,996 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:56" (1/1) ... [2024-11-17 08:45:57,025 INFO L138 Inliner]: procedures = 56, calls = 101, calls flagged for inlining = 54, calls inlined = 82, statements flattened = 554 [2024-11-17 08:45:57,025 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:45:57,026 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:45:57,026 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:45:57,026 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:45:57,033 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:56" (1/1) ... [2024-11-17 08:45:57,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:56" (1/1) ... [2024-11-17 08:45:57,035 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:56" (1/1) ... [2024-11-17 08:45:57,046 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 08:45:57,046 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:56" (1/1) ... [2024-11-17 08:45:57,046 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:56" (1/1) ... [2024-11-17 08:45:57,053 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:56" (1/1) ... [2024-11-17 08:45:57,054 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:56" (1/1) ... [2024-11-17 08:45:57,055 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:56" (1/1) ... [2024-11-17 08:45:57,056 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:56" (1/1) ... [2024-11-17 08:45:57,058 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:45:57,059 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:45:57,059 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:45:57,059 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:45:57,060 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:56" (1/1) ... [2024-11-17 08:45:57,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:45:57,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:45:57,085 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 08:45:57,086 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 08:45:57,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 08:45:57,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 08:45:57,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:45:57,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:45:57,177 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:45:57,178 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:45:57,524 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L251-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-17 08:45:57,524 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L251-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-17 08:45:57,524 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L251-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-17 08:45:57,525 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L979-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~13#1; [2024-11-17 08:45:57,525 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L979-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~13#1; [2024-11-17 08:45:57,525 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L979-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~13#1; [2024-11-17 08:45:57,525 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L306-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2024-11-17 08:45:57,525 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L306-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2024-11-17 08:45:57,525 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L306-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2024-11-17 08:45:57,525 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L306-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2024-11-17 08:45:57,525 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L306-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2024-11-17 08:45:57,525 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L306-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2024-11-17 08:45:57,525 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L753-1: valid_product_#res#1 := valid_product_~retValue_acc~8#1; [2024-11-17 08:45:57,525 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L325-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~3#1; [2024-11-17 08:45:57,525 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L325-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~3#1; [2024-11-17 08:45:57,526 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L325-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~3#1; [2024-11-17 08:45:57,526 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L970-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2024-11-17 08:45:57,526 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L970-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2024-11-17 08:45:57,526 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L970-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2024-11-17 08:45:57,526 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L970-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2024-11-17 08:45:57,526 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L970-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2024-11-17 08:45:57,526 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L970-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2024-11-17 08:45:57,527 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L924-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2024-11-17 08:45:57,527 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L924-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2024-11-17 08:45:57,527 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L924-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2024-11-17 08:45:57,527 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L875-1: main_#res#1 := main_~retValue_acc~9#1; [2024-11-17 08:45:57,547 INFO L? ?]: Removed 130 outVars from TransFormulas that were not future-live. [2024-11-17 08:45:57,548 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:45:57,565 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:45:57,565 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:45:57,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:45:57 BoogieIcfgContainer [2024-11-17 08:45:57,566 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:45:57,566 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:45:57,567 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:45:57,569 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:45:57,570 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:45:57,570 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:45:56" (1/3) ... [2024-11-17 08:45:57,571 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b0b0cd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:45:57, skipping insertion in model container [2024-11-17 08:45:57,571 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:45:57,571 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:45:56" (2/3) ... [2024-11-17 08:45:57,571 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b0b0cd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:45:57, skipping insertion in model container [2024-11-17 08:45:57,571 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:45:57,571 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:45:57" (3/3) ... [2024-11-17 08:45:57,572 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product51.cil.c [2024-11-17 08:45:57,613 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:45:57,613 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:45:57,613 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:45:57,613 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:45:57,613 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:45:57,613 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:45:57,614 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:45:57,614 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:45:57,617 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 171 states, 170 states have (on average 1.3647058823529412) internal successors, (232), 170 states have internal predecessors, (232), 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 08:45:57,635 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 111 [2024-11-17 08:45:57,635 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:45:57,636 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:45:57,641 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:45:57,641 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:45:57,641 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:45:57,642 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 171 states, 170 states have (on average 1.3647058823529412) internal successors, (232), 170 states have internal predecessors, (232), 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 08:45:57,648 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 111 [2024-11-17 08:45:57,648 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:45:57,648 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:45:57,648 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:45:57,649 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:45:57,654 INFO L745 eck$LassoCheckResult]: Stem: 154#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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 36#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~9#1, main_~tmp~9#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 47#L744true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 34#L737true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 84#L752true assume true;main_#t~ret47#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret47#1;havoc main_#t~ret47#1; 130#L865true assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 60#L842true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 172#L65true [2024-11-17 08:45:57,655 INFO L747 eck$LassoCheckResult]: Loop: 172#L65true assume true; 66#L65-1true assume !false; 21#test_while_0_continue#1true assume true; 152#L67true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 71#L75true assume !(0 != test_~tmp~0#1); 32#L83true havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 45#L85true assume !(0 != test_~tmp___0~0#1); 43#L93true havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 110#L95true assume 0 != test_~tmp___2~0#1; 82#L110true assume { :begin_inline_timeShift } true; 28#L139-2true assume !(0 != ~pumpRunning~0); 146#L146-2true assume !(0 != ~systemActive~0); 170#L154-2true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret45#1, __utac_acc__Specification1_spec__1_#t~ret46#1, __utac_acc__Specification1_spec__1_~tmp~8#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification1_spec__1_~tmp~8#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; 80#L923-2true assume true;__utac_acc__Specification1_spec__1_#t~ret45#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~8#1 := __utac_acc__Specification1_spec__1_#t~ret45#1;havoc __utac_acc__Specification1_spec__1_#t~ret45#1; 38#L765-2true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~8#1); 46#L779-2true assume true;havoc __utac_acc__Specification1_spec__1_#t~ret45#1, __utac_acc__Specification1_spec__1_#t~ret46#1, __utac_acc__Specification1_spec__1_~tmp~8#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 48#L156-2true assume true;assume { :end_inline_timeShift } true; 172#L65true [2024-11-17 08:45:57,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:45:57,659 INFO L85 PathProgramCache]: Analyzing trace with hash -729716053, now seen corresponding path program 1 times [2024-11-17 08:45:57,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:45:57,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572976094] [2024-11-17 08:45:57,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:45:57,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:45:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:57,741 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:45:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:57,769 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:45:57,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:45:57,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1539098382, now seen corresponding path program 1 times [2024-11-17 08:45:57,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:45:57,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089968494] [2024-11-17 08:45:57,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:45:57,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:45:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:57,780 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:45:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:57,785 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:45:57,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:45:57,786 INFO L85 PathProgramCache]: Analyzing trace with hash -371407452, now seen corresponding path program 1 times [2024-11-17 08:45:57,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:45:57,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031710384] [2024-11-17 08:45:57,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:45:57,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:45:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:45:57,943 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 08:45:57,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:45:57,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031710384] [2024-11-17 08:45:57,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031710384] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:45:57,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:45:57,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 08:45:57,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589732978] [2024-11-17 08:45:57,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:45:58,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:45:58,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:45:58,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:45:58,065 INFO L87 Difference]: Start difference. First operand has 171 states, 170 states have (on average 1.3647058823529412) internal successors, (232), 170 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 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 08:45:58,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:45:58,113 INFO L93 Difference]: Finished difference Result 322 states and 426 transitions. [2024-11-17 08:45:58,115 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 322 states and 426 transitions. [2024-11-17 08:45:58,119 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 206 [2024-11-17 08:45:58,128 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 322 states to 300 states and 403 transitions. [2024-11-17 08:45:58,129 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 300 [2024-11-17 08:45:58,130 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 300 [2024-11-17 08:45:58,132 INFO L73 IsDeterministic]: Start isDeterministic. Operand 300 states and 403 transitions. [2024-11-17 08:45:58,134 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:45:58,134 INFO L218 hiAutomatonCegarLoop]: Abstraction has 300 states and 403 transitions. [2024-11-17 08:45:58,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states and 403 transitions. [2024-11-17 08:45:58,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 297. [2024-11-17 08:45:58,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 297 states have (on average 1.3434343434343434) internal successors, (399), 296 states have internal predecessors, (399), 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 08:45:58,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 399 transitions. [2024-11-17 08:45:58,165 INFO L240 hiAutomatonCegarLoop]: Abstraction has 297 states and 399 transitions. [2024-11-17 08:45:58,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 08:45:58,169 INFO L425 stractBuchiCegarLoop]: Abstraction has 297 states and 399 transitions. [2024-11-17 08:45:58,169 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:45:58,169 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 297 states and 399 transitions. [2024-11-17 08:45:58,171 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 206 [2024-11-17 08:45:58,171 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:45:58,171 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:45:58,172 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:45:58,172 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:45:58,172 INFO L745 eck$LassoCheckResult]: Stem: 682#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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 563#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~9#1, main_~tmp~9#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 564#L744 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 558#L737 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 559#L752 assume true;main_#t~ret47#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret47#1;havoc main_#t~ret47#1; 621#L865 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 594#L842 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 595#L65 [2024-11-17 08:45:58,172 INFO L747 eck$LassoCheckResult]: Loop: 595#L65 assume true; 693#L65-1 assume !false; 692#test_while_0_continue#1 assume true; 680#L67 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 681#L75 assume !(0 != test_~tmp~0#1); 737#L83 havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 735#L85 assume !(0 != test_~tmp___0~0#1); 732#L93 havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 728#L95 assume 0 != test_~tmp___2~0#1; 726#L110 assume { :begin_inline_timeShift } true; 723#L139-2 assume !(0 != ~pumpRunning~0); 722#L146-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 720#L197-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret8#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1#1; 721#L171-5 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 731#L163-11 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 702#L189-5 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret8#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 701#L215-2 assume true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 700#L154-2 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret45#1, __utac_acc__Specification1_spec__1_#t~ret46#1, __utac_acc__Specification1_spec__1_~tmp~8#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification1_spec__1_~tmp~8#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; 699#L923-2 assume true;__utac_acc__Specification1_spec__1_#t~ret45#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~8#1 := __utac_acc__Specification1_spec__1_#t~ret45#1;havoc __utac_acc__Specification1_spec__1_#t~ret45#1; 697#L765-2 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~8#1); 695#L779-2 assume true;havoc __utac_acc__Specification1_spec__1_#t~ret45#1, __utac_acc__Specification1_spec__1_#t~ret46#1, __utac_acc__Specification1_spec__1_~tmp~8#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 694#L156-2 assume true;assume { :end_inline_timeShift } true; 595#L65 [2024-11-17 08:45:58,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:45:58,173 INFO L85 PathProgramCache]: Analyzing trace with hash -729716053, now seen corresponding path program 2 times [2024-11-17 08:45:58,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:45:58,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915018785] [2024-11-17 08:45:58,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:45:58,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:45:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:58,186 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:45:58,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:58,200 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:45:58,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:45:58,201 INFO L85 PathProgramCache]: Analyzing trace with hash 584181797, now seen corresponding path program 1 times [2024-11-17 08:45:58,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:45:58,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674712346] [2024-11-17 08:45:58,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:45:58,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:45:58,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:45:58,221 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 08:45:58,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:45:58,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674712346] [2024-11-17 08:45:58,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674712346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:45:58,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:45:58,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 08:45:58,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403525842] [2024-11-17 08:45:58,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:45:58,222 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-17 08:45:58,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:45:58,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:45:58,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:45:58,223 INFO L87 Difference]: Start difference. First operand 297 states and 399 transitions. cyclomatic complexity: 106 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:45:58,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:45:58,297 INFO L93 Difference]: Finished difference Result 410 states and 529 transitions. [2024-11-17 08:45:58,297 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 410 states and 529 transitions. [2024-11-17 08:45:58,300 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 293 [2024-11-17 08:45:58,303 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 410 states to 410 states and 529 transitions. [2024-11-17 08:45:58,304 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 410 [2024-11-17 08:45:58,305 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 410 [2024-11-17 08:45:58,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 410 states and 529 transitions. [2024-11-17 08:45:58,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:45:58,310 INFO L218 hiAutomatonCegarLoop]: Abstraction has 410 states and 529 transitions. [2024-11-17 08:45:58,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states and 529 transitions. [2024-11-17 08:45:58,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 410. [2024-11-17 08:45:58,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 410 states have (on average 1.2902439024390244) internal successors, (529), 409 states have internal predecessors, (529), 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 08:45:58,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 529 transitions. [2024-11-17 08:45:58,330 INFO L240 hiAutomatonCegarLoop]: Abstraction has 410 states and 529 transitions. [2024-11-17 08:45:58,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 08:45:58,331 INFO L425 stractBuchiCegarLoop]: Abstraction has 410 states and 529 transitions. [2024-11-17 08:45:58,331 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-17 08:45:58,331 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 410 states and 529 transitions. [2024-11-17 08:45:58,333 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 293 [2024-11-17 08:45:58,335 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:45:58,335 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:45:58,336 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:45:58,336 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:45:58,336 INFO L745 eck$LassoCheckResult]: Stem: 1406#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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1274#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~9#1, main_~tmp~9#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 1275#L744 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1269#L737 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 1270#L752 assume true;main_#t~ret47#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret47#1;havoc main_#t~ret47#1; 1343#L865 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 1309#L842 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1310#L65 [2024-11-17 08:45:58,336 INFO L747 eck$LassoCheckResult]: Loop: 1310#L65 assume true; 1432#L65-1 assume !false; 1433#test_while_0_continue#1 assume true; 1428#L67 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 1429#L75 assume !(0 != test_~tmp~0#1); 1473#L83 havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 1418#L85 assume !(0 != test_~tmp___0~0#1); 1416#L93 havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 1415#L95 assume 0 != test_~tmp___2~0#1; 1337#L110 assume { :begin_inline_timeShift } true; 1259#L139-2 assume !(0 != ~pumpRunning~0); 1260#L146-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 1498#L197-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret8#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1#1; 1495#L171-5 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret19#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~3#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;havoc isHighWaterSensorDry_~retValue_acc~12#1; 1492#L963-5 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; 1329#L968-5 assume true;isHighWaterLevel_#t~ret19#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3#1 := isHighWaterLevel_#t~ret19#1;havoc isHighWaterLevel_#t~ret19#1; 1330#L299-5 assume 0 != isHighWaterLevel_~tmp~3#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1393#L304-5 isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; 1320#L305-5 assume true;processEnvironment__wrappee__highWaterSensor_#t~ret8#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret19#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1#1 := processEnvironment__wrappee__highWaterSensor_#t~ret8#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret8#1; 1321#L175-5 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1388#L163-10 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 1389#L189-5 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret8#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1225#L215-2 assume true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 1456#L154-2 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret45#1, __utac_acc__Specification1_spec__1_#t~ret46#1, __utac_acc__Specification1_spec__1_~tmp~8#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification1_spec__1_~tmp~8#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; 1457#L923-2 assume true;__utac_acc__Specification1_spec__1_#t~ret45#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~8#1 := __utac_acc__Specification1_spec__1_#t~ret45#1;havoc __utac_acc__Specification1_spec__1_#t~ret45#1; 1448#L765-2 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~8#1); 1447#L779-2 assume true;havoc __utac_acc__Specification1_spec__1_#t~ret45#1, __utac_acc__Specification1_spec__1_#t~ret46#1, __utac_acc__Specification1_spec__1_~tmp~8#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 1439#L156-2 assume true;assume { :end_inline_timeShift } true; 1310#L65 [2024-11-17 08:45:58,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:45:58,338 INFO L85 PathProgramCache]: Analyzing trace with hash -729716053, now seen corresponding path program 3 times [2024-11-17 08:45:58,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:45:58,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025449203] [2024-11-17 08:45:58,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:45:58,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:45:58,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:58,350 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:45:58,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:58,357 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:45:58,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:45:58,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1422723346, now seen corresponding path program 1 times [2024-11-17 08:45:58,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:45:58,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898559890] [2024-11-17 08:45:58,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:45:58,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:45:58,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:58,370 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:45:58,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:58,375 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:45:58,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:45:58,376 INFO L85 PathProgramCache]: Analyzing trace with hash 668933784, now seen corresponding path program 1 times [2024-11-17 08:45:58,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:45:58,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075401906] [2024-11-17 08:45:58,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:45:58,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:45:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:58,392 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:45:58,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:58,406 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:45:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:59,026 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:45:59,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:45:59,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:45:59 BoogieIcfgContainer [2024-11-17 08:45:59,077 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:45:59,078 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:45:59,078 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:45:59,078 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:45:59,079 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:45:57" (3/4) ... [2024-11-17 08:45:59,080 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-17 08:45:59,125 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 08:45:59,126 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:45:59,126 INFO L158 Benchmark]: Toolchain (without parser) took 2530.73ms. Allocated memory was 142.6MB in the beginning and 197.1MB in the end (delta: 54.5MB). Free memory was 70.2MB in the beginning and 111.6MB in the end (delta: -41.4MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2024-11-17 08:45:59,126 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 142.6MB. Free memory is still 94.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:45:59,127 INFO L158 Benchmark]: CACSL2BoogieTranslator took 382.24ms. Allocated memory was 142.6MB in the beginning and 197.1MB in the end (delta: 54.5MB). Free memory was 70.1MB in the beginning and 168.3MB in the end (delta: -98.2MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2024-11-17 08:45:59,127 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.15ms. Allocated memory is still 197.1MB. Free memory was 168.3MB in the beginning and 165.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:45:59,127 INFO L158 Benchmark]: Boogie Preprocessor took 32.64ms. Allocated memory is still 197.1MB. Free memory was 165.2MB in the beginning and 162.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 08:45:59,127 INFO L158 Benchmark]: IcfgBuilder took 506.91ms. Allocated memory is still 197.1MB. Free memory was 162.1MB in the beginning and 130.6MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-17 08:45:59,128 INFO L158 Benchmark]: BuchiAutomizer took 1511.19ms. Allocated memory is still 197.1MB. Free memory was 130.6MB in the beginning and 114.7MB in the end (delta: 15.9MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2024-11-17 08:45:59,128 INFO L158 Benchmark]: Witness Printer took 47.82ms. Allocated memory is still 197.1MB. Free memory was 114.7MB in the beginning and 111.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:45:59,129 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 142.6MB. Free memory is still 94.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 382.24ms. Allocated memory was 142.6MB in the beginning and 197.1MB in the end (delta: 54.5MB). Free memory was 70.1MB in the beginning and 168.3MB in the end (delta: -98.2MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.15ms. Allocated memory is still 197.1MB. Free memory was 168.3MB in the beginning and 165.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.64ms. Allocated memory is still 197.1MB. Free memory was 165.2MB in the beginning and 162.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 506.91ms. Allocated memory is still 197.1MB. Free memory was 162.1MB in the beginning and 130.6MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1511.19ms. Allocated memory is still 197.1MB. Free memory was 130.6MB in the beginning and 114.7MB in the end (delta: 15.9MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * Witness Printer took 47.82ms. Allocated memory is still 197.1MB. Free memory was 114.7MB in the beginning and 111.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] - GenericResultAtLocation [Line: 121]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] - GenericResultAtLocation [Line: 343]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [343] - GenericResultAtLocation [Line: 709]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [709] - GenericResultAtLocation [Line: 718]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [718] - GenericResultAtLocation [Line: 756]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [756] - GenericResultAtLocation [Line: 782]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [782] - GenericResultAtLocation [Line: 878]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [878] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 410 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 335 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 335 mSDsluCounter, 722 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 303 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 419 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 65]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L131] int pumpRunning = 0; [L132] int systemActive = 1; [L513] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L783] int cleanupTimeShifts = 4; [L880] int waterLevel = 1; [L881] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L856] int retValue_acc ; [L857] int tmp ; [L861] FCALL select_helpers() [L862] FCALL select_features() [L863] CALL, EXPR valid_product() [L748] int retValue_acc ; [L751] retValue_acc = 1 [L752] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L863] RET, EXPR valid_product() [L863] tmp = valid_product() [L865] COND TRUE \read(tmp) [L867] FCALL setup() [L868] CALL runTest() [L850] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L110] CALL timeShift() [L139] COND FALSE !(\read(pumpRunning)) [L146] COND TRUE \read(systemActive) [L148] CALL processEnvironment() [L194] int tmp ; [L197] COND FALSE !(\read(pumpRunning)) [L212] CALL processEnvironment__wrappee__highWaterSensor() [L168] int tmp ; [L171] COND TRUE ! pumpRunning [L173] CALL, EXPR isHighWaterLevel() [L291] int retValue_acc ; [L292] int tmp ; [L293] int tmp___0 ; [L297] CALL, EXPR isHighWaterSensorDry() [L960] int retValue_acc ; [L963] COND TRUE waterLevel < 2 [L964] retValue_acc = 1 [L965] return (retValue_acc); [L297] RET, EXPR isHighWaterSensorDry() [L297] tmp = isHighWaterSensorDry() [L299] COND TRUE \read(tmp) [L300] tmp___0 = 0 [L304] retValue_acc = tmp___0 [L305] return (retValue_acc); [L173] RET, EXPR isHighWaterLevel() [L173] tmp = isHighWaterLevel() [L175] COND FALSE !(\read(tmp)) [L181] FCALL processEnvironment__wrappee__base() [L212] RET processEnvironment__wrappee__highWaterSensor() [L148] RET processEnvironment() [L154] CALL __utac_acc__Specification1_spec__1() [L758] int tmp ; [L759] int tmp___0 ; [L763] CALL, EXPR isMethaneLevelCritical() [L919] int retValue_acc ; [L922] retValue_acc = methaneLevelCritical [L923] return (retValue_acc); [L763] RET, EXPR isMethaneLevelCritical() [L763] tmp = isMethaneLevelCritical() [L765] COND FALSE !(\read(tmp)) [L154] RET __utac_acc__Specification1_spec__1() [L110] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 65]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L131] int pumpRunning = 0; [L132] int systemActive = 1; [L513] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L783] int cleanupTimeShifts = 4; [L880] int waterLevel = 1; [L881] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L856] int retValue_acc ; [L857] int tmp ; [L861] FCALL select_helpers() [L862] FCALL select_features() [L863] CALL, EXPR valid_product() [L748] int retValue_acc ; [L751] retValue_acc = 1 [L752] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L863] RET, EXPR valid_product() [L863] tmp = valid_product() [L865] COND TRUE \read(tmp) [L867] FCALL setup() [L868] CALL runTest() [L850] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L110] CALL timeShift() [L139] COND FALSE !(\read(pumpRunning)) [L146] COND TRUE \read(systemActive) [L148] CALL processEnvironment() [L194] int tmp ; [L197] COND FALSE !(\read(pumpRunning)) [L212] CALL processEnvironment__wrappee__highWaterSensor() [L168] int tmp ; [L171] COND TRUE ! pumpRunning [L173] CALL, EXPR isHighWaterLevel() [L291] int retValue_acc ; [L292] int tmp ; [L293] int tmp___0 ; [L297] CALL, EXPR isHighWaterSensorDry() [L960] int retValue_acc ; [L963] COND TRUE waterLevel < 2 [L964] retValue_acc = 1 [L965] return (retValue_acc); [L297] RET, EXPR isHighWaterSensorDry() [L297] tmp = isHighWaterSensorDry() [L299] COND TRUE \read(tmp) [L300] tmp___0 = 0 [L304] retValue_acc = tmp___0 [L305] return (retValue_acc); [L173] RET, EXPR isHighWaterLevel() [L173] tmp = isHighWaterLevel() [L175] COND FALSE !(\read(tmp)) [L181] FCALL processEnvironment__wrappee__base() [L212] RET processEnvironment__wrappee__highWaterSensor() [L148] RET processEnvironment() [L154] CALL __utac_acc__Specification1_spec__1() [L758] int tmp ; [L759] int tmp___0 ; [L763] CALL, EXPR isMethaneLevelCritical() [L919] int retValue_acc ; [L922] retValue_acc = methaneLevelCritical [L923] return (retValue_acc); [L763] RET, EXPR isMethaneLevelCritical() [L763] tmp = isMethaneLevelCritical() [L765] COND FALSE !(\read(tmp)) [L154] RET __utac_acc__Specification1_spec__1() [L110] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-17 08:45:59,156 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)