./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 628e376de87a791dbdeacfd1fda04d4c37dd13aab91e126b57e018d3af22ec68 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 23:15:11,912 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 23:15:11,960 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 23:15:11,965 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 23:15:11,981 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 23:15:12,008 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 23:15:12,009 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 23:15:12,009 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 23:15:12,009 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 23:15:12,010 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 23:15:12,010 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 23:15:12,010 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 23:15:12,010 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 23:15:12,011 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 23:15:12,011 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 23:15:12,011 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 23:15:12,011 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 23:15:12,011 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 23:15:12,012 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 23:15:12,012 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 23:15:12,012 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 23:15:12,015 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 23:15:12,015 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 23:15:12,015 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 23:15:12,015 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 23:15:12,016 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 23:15:12,016 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 23:15:12,016 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 23:15:12,016 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 23:15:12,016 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 23:15:12,017 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 23:15:12,017 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 23:15:12,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:15:12,017 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 23:15:12,018 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 23:15:12,018 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 23:15:12,018 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 23:15:12,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 23:15:12,018 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 23:15:12,018 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 23:15:12,018 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 23:15:12,019 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 23:15:12,019 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 628e376de87a791dbdeacfd1fda04d4c37dd13aab91e126b57e018d3af22ec68 [2024-11-09 23:15:12,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 23:15:12,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 23:15:12,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 23:15:12,221 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 23:15:12,222 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 23:15:12,222 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2024-11-09 23:15:13,476 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 23:15:13,673 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 23:15:13,674 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2024-11-09 23:15:13,691 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fddfa86c8/884bf51ac60647ffb883b23bc8cdaadb/FLAG8b57e9a28 [2024-11-09 23:15:14,030 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fddfa86c8/884bf51ac60647ffb883b23bc8cdaadb [2024-11-09 23:15:14,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 23:15:14,033 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 23:15:14,033 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 23:15:14,033 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 23:15:14,037 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 23:15:14,038 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:15:14" (1/1) ... [2024-11-09 23:15:14,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@404fa66d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:14, skipping insertion in model container [2024-11-09 23:15:14,038 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:15:14" (1/1) ... [2024-11-09 23:15:14,062 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 23:15:14,282 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c[18134,18147] [2024-11-09 23:15:14,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:15:14,294 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 23:15:14,301 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2024-11-09 23:15:14,302 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [254] [2024-11-09 23:15:14,303 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [322] [2024-11-09 23:15:14,305 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [421] [2024-11-09 23:15:14,305 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [456] [2024-11-09 23:15:14,305 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [483] [2024-11-09 23:15:14,305 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [849] [2024-11-09 23:15:14,305 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [939] [2024-11-09 23:15:14,380 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c[18134,18147] [2024-11-09 23:15:14,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:15:14,418 INFO L204 MainTranslator]: Completed translation [2024-11-09 23:15:14,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:14 WrapperNode [2024-11-09 23:15:14,418 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 23:15:14,419 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 23:15:14,419 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 23:15:14,419 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 23:15:14,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:14" (1/1) ... [2024-11-09 23:15:14,432 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:14" (1/1) ... [2024-11-09 23:15:14,450 INFO L138 Inliner]: procedures = 54, calls = 99, calls flagged for inlining = 19, calls inlined = 15, statements flattened = 168 [2024-11-09 23:15:14,450 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 23:15:14,451 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 23:15:14,451 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 23:15:14,451 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 23:15:14,458 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:14" (1/1) ... [2024-11-09 23:15:14,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:14" (1/1) ... [2024-11-09 23:15:14,460 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:14" (1/1) ... [2024-11-09 23:15:14,475 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]. [2024-11-09 23:15:14,475 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:14" (1/1) ... [2024-11-09 23:15:14,475 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:14" (1/1) ... [2024-11-09 23:15:14,479 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:14" (1/1) ... [2024-11-09 23:15:14,479 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:14" (1/1) ... [2024-11-09 23:15:14,480 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:14" (1/1) ... [2024-11-09 23:15:14,481 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:14" (1/1) ... [2024-11-09 23:15:14,483 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 23:15:14,484 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 23:15:14,484 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 23:15:14,484 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 23:15:14,485 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:14" (1/1) ... [2024-11-09 23:15:14,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:15:14,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:15:14,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 23:15:14,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 23:15:14,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 23:15:14,538 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-09 23:15:14,538 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-09 23:15:14,538 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-09 23:15:14,538 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-09 23:15:14,538 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-09 23:15:14,538 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-09 23:15:14,538 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-09 23:15:14,538 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-09 23:15:14,539 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-09 23:15:14,539 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-09 23:15:14,539 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2024-11-09 23:15:14,539 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2024-11-09 23:15:14,539 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2024-11-09 23:15:14,539 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2024-11-09 23:15:14,539 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-09 23:15:14,539 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-09 23:15:14,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 23:15:14,539 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-09 23:15:14,539 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-09 23:15:14,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 23:15:14,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 23:15:14,600 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 23:15:14,602 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 23:15:14,661 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L895: #res := ~retValue_acc~9; [2024-11-09 23:15:14,705 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L196-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-09 23:15:14,764 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L453-1: valid_product_#res#1 := valid_product_~retValue_acc~5#1; [2024-11-09 23:15:14,765 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L418-1: main_#res#1 := main_~retValue_acc~3#1; [2024-11-09 23:15:14,794 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L251-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~2#1; [2024-11-09 23:15:14,795 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L936-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~11#1; [2024-11-09 23:15:14,798 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L187: #res := ~retValue_acc~0; [2024-11-09 23:15:14,819 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-09 23:15:14,819 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 23:15:14,828 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 23:15:14,828 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 23:15:14,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:15:14 BoogieIcfgContainer [2024-11-09 23:15:14,829 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 23:15:14,830 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 23:15:14,830 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 23:15:14,832 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 23:15:14,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:15:14" (1/3) ... [2024-11-09 23:15:14,833 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3938518e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:15:14, skipping insertion in model container [2024-11-09 23:15:14,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:14" (2/3) ... [2024-11-09 23:15:14,833 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3938518e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:15:14, skipping insertion in model container [2024-11-09 23:15:14,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:15:14" (3/3) ... [2024-11-09 23:15:14,834 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product29.cil.c [2024-11-09 23:15:14,845 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 23:15:14,845 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 23:15:14,887 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 23:15:14,891 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4d12601b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 23:15:14,891 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 23:15:14,894 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 69 states have (on average 1.3478260869565217) internal successors, (93), 77 states have internal predecessors, (93), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 23:15:14,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 23:15:14,901 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:15:14,901 INFO L215 NwaCegarLoop]: trace 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] [2024-11-09 23:15:14,902 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:15:14,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:15:14,905 INFO L85 PathProgramCache]: Analyzing trace with hash -2143931549, now seen corresponding path program 1 times [2024-11-09 23:15:14,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:15:14,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469158180] [2024-11-09 23:15:14,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:15:14,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:15:14,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:15:15,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 23:15:15,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:15:15,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:15:15,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:15:15,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469158180] [2024-11-09 23:15:15,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469158180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:15:15,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:15:15,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 23:15:15,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598437541] [2024-11-09 23:15:15,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:15:15,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 23:15:15,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:15:15,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 23:15:15,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 23:15:15,080 INFO L87 Difference]: Start difference. First operand has 95 states, 69 states have (on average 1.3478260869565217) internal successors, (93), 77 states have internal predecessors, (93), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 23:15:15,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:15:15,102 INFO L93 Difference]: Finished difference Result 181 states and 240 transitions. [2024-11-09 23:15:15,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 23:15:15,104 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2024-11-09 23:15:15,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:15:15,110 INFO L225 Difference]: With dead ends: 181 [2024-11-09 23:15:15,110 INFO L226 Difference]: Without dead ends: 84 [2024-11-09 23:15:15,112 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 23:15:15,115 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:15:15,118 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:15:15,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-09 23:15:15,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-09 23:15:15,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 60 states have (on average 1.2833333333333334) internal successors, (77), 67 states have internal predecessors, (77), 15 states have call successors, (15), 9 states have call predecessors, (15), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 23:15:15,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 106 transitions. [2024-11-09 23:15:15,149 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 106 transitions. Word has length 25 [2024-11-09 23:15:15,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:15:15,149 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 106 transitions. [2024-11-09 23:15:15,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 23:15:15,150 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 106 transitions. [2024-11-09 23:15:15,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 23:15:15,151 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:15:15,151 INFO L215 NwaCegarLoop]: trace 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] [2024-11-09 23:15:15,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 23:15:15,152 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:15:15,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:15:15,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1427482921, now seen corresponding path program 1 times [2024-11-09 23:15:15,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:15:15,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113169977] [2024-11-09 23:15:15,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:15:15,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:15:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:15:15,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 23:15:15,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:15:15,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:15:15,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:15:15,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113169977] [2024-11-09 23:15:15,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113169977] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:15:15,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:15:15,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:15:15,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060873331] [2024-11-09 23:15:15,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:15:15,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:15:15,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:15:15,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:15:15,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:15:15,244 INFO L87 Difference]: Start difference. First operand 84 states and 106 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 23:15:15,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:15:15,262 INFO L93 Difference]: Finished difference Result 133 states and 167 transitions. [2024-11-09 23:15:15,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:15:15,264 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2024-11-09 23:15:15,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:15:15,266 INFO L225 Difference]: With dead ends: 133 [2024-11-09 23:15:15,266 INFO L226 Difference]: Without dead ends: 74 [2024-11-09 23:15:15,266 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:15:15,267 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 11 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:15:15,268 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 168 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:15:15,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-09 23:15:15,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-11-09 23:15:15,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 53 states have (on average 1.3018867924528301) internal successors, (69), 60 states have internal predecessors, (69), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 23:15:15,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 93 transitions. [2024-11-09 23:15:15,274 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 93 transitions. Word has length 27 [2024-11-09 23:15:15,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:15:15,274 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 93 transitions. [2024-11-09 23:15:15,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 23:15:15,275 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 93 transitions. [2024-11-09 23:15:15,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 23:15:15,275 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:15:15,275 INFO L215 NwaCegarLoop]: trace 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] [2024-11-09 23:15:15,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 23:15:15,276 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:15:15,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:15:15,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1835710707, now seen corresponding path program 1 times [2024-11-09 23:15:15,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:15:15,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500654350] [2024-11-09 23:15:15,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:15:15,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:15:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:15:15,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-09 23:15:15,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:15:15,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:15:15,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:15:15,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500654350] [2024-11-09 23:15:15,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500654350] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:15:15,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:15:15,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:15:15,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052184140] [2024-11-09 23:15:15,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:15:15,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:15:15,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:15:15,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:15:15,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:15:15,387 INFO L87 Difference]: Start difference. First operand 74 states and 93 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 23:15:15,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:15:15,402 INFO L93 Difference]: Finished difference Result 141 states and 180 transitions. [2024-11-09 23:15:15,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:15:15,403 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2024-11-09 23:15:15,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:15:15,404 INFO L225 Difference]: With dead ends: 141 [2024-11-09 23:15:15,404 INFO L226 Difference]: Without dead ends: 74 [2024-11-09 23:15:15,404 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:15:15,405 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 75 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:15:15,406 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 91 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:15:15,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-09 23:15:15,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-11-09 23:15:15,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 53 states have (on average 1.2830188679245282) internal successors, (68), 60 states have internal predecessors, (68), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 23:15:15,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 92 transitions. [2024-11-09 23:15:15,414 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 92 transitions. Word has length 29 [2024-11-09 23:15:15,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:15:15,414 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 92 transitions. [2024-11-09 23:15:15,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 23:15:15,414 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 92 transitions. [2024-11-09 23:15:15,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 23:15:15,416 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:15:15,416 INFO L215 NwaCegarLoop]: trace 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, 1, 1, 1, 1, 1, 1] [2024-11-09 23:15:15,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 23:15:15,417 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:15:15,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:15:15,417 INFO L85 PathProgramCache]: Analyzing trace with hash -712992447, now seen corresponding path program 1 times [2024-11-09 23:15:15,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:15:15,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618041757] [2024-11-09 23:15:15,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:15:15,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:15:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:15:15,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-09 23:15:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:15:15,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 23:15:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:15:15,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 23:15:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:15:15,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:15:15,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:15:15,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618041757] [2024-11-09 23:15:15,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618041757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:15:15,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:15:15,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 23:15:15,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81423907] [2024-11-09 23:15:15,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:15:15,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 23:15:15,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:15:15,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 23:15:15,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 23:15:15,579 INFO L87 Difference]: Start difference. First operand 74 states and 92 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 23:15:15,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:15:15,693 INFO L93 Difference]: Finished difference Result 116 states and 147 transitions. [2024-11-09 23:15:15,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 23:15:15,697 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2024-11-09 23:15:15,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:15:15,698 INFO L225 Difference]: With dead ends: 116 [2024-11-09 23:15:15,699 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 23:15:15,699 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:15:15,702 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 47 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:15:15,702 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 122 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:15:15,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 23:15:15,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 23:15:15,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2024-11-09 23:15:15,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 23:15:15,703 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2024-11-09 23:15:15,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:15:15,703 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 23:15:15,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 23:15:15,704 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 23:15:15,704 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 23:15:15,706 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 23:15:15,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 23:15:15,708 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-09 23:15:15,712 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 23:15:15,947 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 23:15:15,980 WARN L156 FloydHoareUtils]: Requires clause for timeShift contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |old(~pumpRunning~0)| 0)) Eliminated clause: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2024-11-09 23:15:15,986 WARN L156 FloydHoareUtils]: Requires clause for processEnvironment__wrappee__methaneQuery contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |old(~pumpRunning~0)| 0)) Eliminated clause: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2024-11-09 23:15:15,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 11:15:15 BoogieIcfgContainer [2024-11-09 23:15:15,992 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 23:15:15,992 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 23:15:15,992 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 23:15:15,992 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 23:15:15,993 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:15:14" (3/4) ... [2024-11-09 23:15:15,995 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-09 23:15:16,000 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-09 23:15:16,000 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-09 23:15:16,000 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-09 23:15:16,000 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-09 23:15:16,000 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-11-09 23:15:16,001 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-09 23:15:16,001 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-09 23:15:16,001 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2024-11-09 23:15:16,001 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2024-11-09 23:15:16,006 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2024-11-09 23:15:16,007 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-09 23:15:16,007 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 23:15:16,008 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 23:15:16,008 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 23:15:16,090 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 23:15:16,090 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 23:15:16,091 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 23:15:16,091 INFO L158 Benchmark]: Toolchain (without parser) took 2058.48ms. Allocated memory is still 184.5MB. Free memory was 116.5MB in the beginning and 103.5MB in the end (delta: 13.0MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-11-09 23:15:16,091 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 104.9MB. Free memory was 72.4MB in the beginning and 72.2MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 23:15:16,092 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.07ms. Allocated memory is still 184.5MB. Free memory was 116.3MB in the beginning and 153.0MB in the end (delta: -36.7MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2024-11-09 23:15:16,092 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.56ms. Allocated memory is still 184.5MB. Free memory was 153.0MB in the beginning and 150.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 23:15:16,092 INFO L158 Benchmark]: Boogie Preprocessor took 31.73ms. Allocated memory is still 184.5MB. Free memory was 150.9MB in the beginning and 148.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 23:15:16,092 INFO L158 Benchmark]: IcfgBuilder took 344.97ms. Allocated memory is still 184.5MB. Free memory was 148.8MB in the beginning and 130.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 23:15:16,095 INFO L158 Benchmark]: TraceAbstraction took 1161.78ms. Allocated memory is still 184.5MB. Free memory was 130.0MB in the beginning and 110.8MB in the end (delta: 19.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 23:15:16,095 INFO L158 Benchmark]: Witness Printer took 98.47ms. Allocated memory is still 184.5MB. Free memory was 110.8MB in the beginning and 103.5MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 23:15:16,096 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 104.9MB. Free memory was 72.4MB in the beginning and 72.2MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 385.07ms. Allocated memory is still 184.5MB. Free memory was 116.3MB in the beginning and 153.0MB in the end (delta: -36.7MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.56ms. Allocated memory is still 184.5MB. Free memory was 153.0MB in the beginning and 150.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.73ms. Allocated memory is still 184.5MB. Free memory was 150.9MB in the beginning and 148.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 344.97ms. Allocated memory is still 184.5MB. Free memory was 148.8MB in the beginning and 130.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1161.78ms. Allocated memory is still 184.5MB. Free memory was 130.0MB in the beginning and 110.8MB in the end (delta: 19.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 98.47ms. Allocated memory is still 184.5MB. Free memory was 110.8MB in the beginning and 103.5MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. 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,"MinePump.i","") [49] - GenericResultAtLocation [Line: 254]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [254] - GenericResultAtLocation [Line: 322]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [322] - GenericResultAtLocation [Line: 421]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [421] - GenericResultAtLocation [Line: 456]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [456] - GenericResultAtLocation [Line: 483]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [483] - GenericResultAtLocation [Line: 849]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [849] - GenericResultAtLocation [Line: 939]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [939] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 944]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 95 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 138 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 133 mSDsluCounter, 497 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 163 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69 IncrementalHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 334 mSDtfsCounter, 69 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 116 ConstructedInterpolants, 0 QuantifiedInterpolants, 216 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 334]: Location Invariant Derived location invariant: null - InvariantResult [Line: 268]: Location Invariant Derived location invariant: null - ProcedureContractResult [Line: 171]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: 0 Ensures: (0 && (((((systemActive == \old(systemActive)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 87]: Procedure Contract for processEnvironment__wrappee__base Derived contract for procedure processEnvironment__wrappee__base. Requires: ((pumpRunning == 0) && (1 == systemActive)) Ensures: (((pumpRunning == 0) && (1 == systemActive)) && ((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 877]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: ((pumpRunning == 0) && (1 == systemActive)) Ensures: (((pumpRunning == 0) && (1 == systemActive)) && (((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (waterLevel == \old(waterLevel)))) - ProcedureContractResult [Line: 324]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((systemActive == \old(systemActive)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 889]: Procedure Contract for isMethaneLevelCritical Derived contract for procedure isMethaneLevelCritical. Requires: ((pumpRunning == 0) && (1 == systemActive)) Ensures: (((pumpRunning == 0) && (1 == systemActive)) && ((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 63]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: ((pumpRunning == 0) && (1 == systemActive)) Ensures: ((((pumpRunning == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && ((((systemActive == \old(systemActive)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 865]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: ((pumpRunning == 0) && (1 == systemActive)) Ensures: (((pumpRunning == 0) && (1 == systemActive)) && (((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 95]: Procedure Contract for processEnvironment__wrappee__methaneQuery Derived contract for procedure processEnvironment__wrappee__methaneQuery. Requires: ((pumpRunning == 0) && (1 == systemActive)) Ensures: ((((pumpRunning == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (((((systemActive == \old(systemActive)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 179]: Procedure Contract for isMethaneAlarm Derived contract for procedure isMethaneAlarm. Requires: 0 Ensures: (0 && ((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) RESULT: Ultimate proved your program to be correct! [2024-11-09 23:15:16,126 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE