./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product27.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 d20064856c358ac34c15406fcd734cb6b5694fad7d43f4bd7014ec1cea8e62ba --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 07:55:18,993 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 07:55:19,056 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 07:55:19,061 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 07:55:19,062 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 07:55:19,086 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 07:55:19,087 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 07:55:19,087 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 07:55:19,088 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 07:55:19,091 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 07:55:19,091 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 07:55:19,091 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 07:55:19,092 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 07:55:19,092 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 07:55:19,092 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 07:55:19,092 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 07:55:19,092 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 07:55:19,093 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 07:55:19,093 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 07:55:19,093 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 07:55:19,094 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 07:55:19,095 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 07:55:19,095 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 07:55:19,095 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 07:55:19,095 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 07:55:19,096 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 07:55:19,096 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 07:55:19,096 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 07:55:19,096 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 07:55:19,097 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 07:55:19,097 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 07:55:19,097 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 07:55:19,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 07:55:19,097 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 07:55:19,097 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 07:55:19,098 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 07:55:19,098 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 07:55:19,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 07:55:19,099 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 07:55:19,099 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 07:55:19,099 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 07:55:19,100 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 07:55:19,100 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d20064856c358ac34c15406fcd734cb6b5694fad7d43f4bd7014ec1cea8e62ba [2024-11-16 07:55:19,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 07:55:19,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 07:55:19,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 07:55:19,327 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 07:55:19,327 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 07:55:19,328 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c [2024-11-16 07:55:20,542 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 07:55:20,701 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 07:55:20,701 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c [2024-11-16 07:55:20,711 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e93251247/a969ea4a60934484aa209d97d6913ba9/FLAG77b391c5d [2024-11-16 07:55:21,083 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e93251247/a969ea4a60934484aa209d97d6913ba9 [2024-11-16 07:55:21,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 07:55:21,086 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 07:55:21,087 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 07:55:21,087 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 07:55:21,090 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 07:55:21,091 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:55:21" (1/1) ... [2024-11-16 07:55:21,091 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57e4dd4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:21, skipping insertion in model container [2024-11-16 07:55:21,092 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:55:21" (1/1) ... [2024-11-16 07:55:21,124 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 07:55:21,364 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_spec5_product27.cil.c[13937,13950] [2024-11-16 07:55:21,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 07:55:21,393 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 07:55:21,401 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-16 07:55:21,403 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [87] [2024-11-16 07:55:21,403 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [139] [2024-11-16 07:55:21,403 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [505] [2024-11-16 07:55:21,403 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [600] [2024-11-16 07:55:21,403 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [609] [2024-11-16 07:55:21,404 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [709] [2024-11-16 07:55:21,404 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [777] [2024-11-16 07:55:21,447 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_spec5_product27.cil.c[13937,13950] [2024-11-16 07:55:21,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 07:55:21,483 INFO L204 MainTranslator]: Completed translation [2024-11-16 07:55:21,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:21 WrapperNode [2024-11-16 07:55:21,484 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 07:55:21,485 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 07:55:21,485 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 07:55:21,485 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 07:55:21,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:21" (1/1) ... [2024-11-16 07:55:21,499 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:21" (1/1) ... [2024-11-16 07:55:21,516 INFO L138 Inliner]: procedures = 56, calls = 100, calls flagged for inlining = 24, calls inlined = 18, statements flattened = 173 [2024-11-16 07:55:21,519 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 07:55:21,519 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 07:55:21,519 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 07:55:21,519 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 07:55:21,527 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:21" (1/1) ... [2024-11-16 07:55:21,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:21" (1/1) ... [2024-11-16 07:55:21,530 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:21" (1/1) ... [2024-11-16 07:55:21,546 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]. [2024-11-16 07:55:21,546 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:21" (1/1) ... [2024-11-16 07:55:21,546 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:21" (1/1) ... [2024-11-16 07:55:21,554 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:21" (1/1) ... [2024-11-16 07:55:21,554 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:21" (1/1) ... [2024-11-16 07:55:21,555 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:21" (1/1) ... [2024-11-16 07:55:21,556 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:21" (1/1) ... [2024-11-16 07:55:21,557 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 07:55:21,558 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 07:55:21,558 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 07:55:21,558 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 07:55:21,559 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:21" (1/1) ... [2024-11-16 07:55:21,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 07:55:21,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:55:21,588 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) [2024-11-16 07:55:21,591 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 [2024-11-16 07:55:21,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 07:55:21,633 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-16 07:55:21,633 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-16 07:55:21,633 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-16 07:55:21,633 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-16 07:55:21,633 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-16 07:55:21,633 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-16 07:55:21,634 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-16 07:55:21,634 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-16 07:55:21,634 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2024-11-16 07:55:21,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2024-11-16 07:55:21,634 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-16 07:55:21,634 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-16 07:55:21,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 07:55:21,634 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-16 07:55:21,634 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-16 07:55:21,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 07:55:21,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 07:55:21,702 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 07:55:21,705 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 07:55:21,825 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L597-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~7#1; [2024-11-16 07:55:21,825 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L949-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~11#1; [2024-11-16 07:55:21,825 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L588-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; [2024-11-16 07:55:21,893 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L706-1: main_#res#1 := main_~retValue_acc~8#1; [2024-11-16 07:55:21,893 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L84-1: valid_product_#res#1 := valid_product_~retValue_acc~1#1; [2024-11-16 07:55:21,898 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L894: #res := ~retValue_acc~10; [2024-11-16 07:55:21,917 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-16 07:55:21,917 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 07:55:21,927 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 07:55:21,928 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 07:55:21,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:55:21 BoogieIcfgContainer [2024-11-16 07:55:21,928 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 07:55:21,930 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 07:55:21,930 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 07:55:21,933 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 07:55:21,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:55:21" (1/3) ... [2024-11-16 07:55:21,933 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e1b939d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:55:21, skipping insertion in model container [2024-11-16 07:55:21,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:55:21" (2/3) ... [2024-11-16 07:55:21,934 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e1b939d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:55:21, skipping insertion in model container [2024-11-16 07:55:21,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:55:21" (3/3) ... [2024-11-16 07:55:21,935 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product27.cil.c [2024-11-16 07:55:21,947 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 07:55:21,947 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 07:55:22,000 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 07:55:22,006 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;@4103069d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 07:55:22,006 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 07:55:22,010 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 71 states have (on average 1.3380281690140845) internal successors, (95), 78 states have internal predecessors, (95), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-16 07:55:22,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-16 07:55:22,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:55:22,019 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 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] [2024-11-16 07:55:22,019 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:55:22,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:55:22,024 INFO L85 PathProgramCache]: Analyzing trace with hash -210175967, now seen corresponding path program 1 times [2024-11-16 07:55:22,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:55:22,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590517828] [2024-11-16 07:55:22,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:55:22,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:55:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:55:22,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-16 07:55:22,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:55:22,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:55:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:55:22,194 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-16 07:55:22,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:55:22,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590517828] [2024-11-16 07:55:22,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590517828] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:55:22,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:55:22,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 07:55:22,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468310073] [2024-11-16 07:55:22,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:55:22,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 07:55:22,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:55:22,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 07:55:22,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 07:55:22,224 INFO L87 Difference]: Start difference. First operand has 92 states, 71 states have (on average 1.3380281690140845) internal successors, (95), 78 states have internal predecessors, (95), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-16 07:55:22,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:55:22,244 INFO L93 Difference]: Finished difference Result 174 states and 231 transitions. [2024-11-16 07:55:22,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 07:55:22,247 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2024-11-16 07:55:22,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:55:22,253 INFO L225 Difference]: With dead ends: 174 [2024-11-16 07:55:22,253 INFO L226 Difference]: Without dead ends: 81 [2024-11-16 07:55:22,255 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 07:55:22,258 INFO L432 NwaCegarLoop]: 112 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, 112 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 [2024-11-16 07:55:22,258 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:55:22,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-16 07:55:22,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-11-16 07:55:22,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 62 states have (on average 1.2741935483870968) internal successors, (79), 68 states have internal predecessors, (79), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-16 07:55:22,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 102 transitions. [2024-11-16 07:55:22,296 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 102 transitions. Word has length 34 [2024-11-16 07:55:22,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:55:22,296 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 102 transitions. [2024-11-16 07:55:22,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-16 07:55:22,297 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 102 transitions. [2024-11-16 07:55:22,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-16 07:55:22,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:55:22,301 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 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] [2024-11-16 07:55:22,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 07:55:22,302 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:55:22,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:55:22,303 INFO L85 PathProgramCache]: Analyzing trace with hash 637058590, now seen corresponding path program 1 times [2024-11-16 07:55:22,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:55:22,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533448824] [2024-11-16 07:55:22,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:55:22,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:55:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:55:22,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-16 07:55:22,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:55:22,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 07:55:22,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:55:22,498 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-16 07:55:22,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:55:22,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533448824] [2024-11-16 07:55:22,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533448824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:55:22,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:55:22,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 07:55:22,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578667252] [2024-11-16 07:55:22,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:55:22,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 07:55:22,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:55:22,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 07:55:22,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 07:55:22,502 INFO L87 Difference]: Start difference. First operand 81 states and 102 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-16 07:55:22,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:55:22,692 INFO L93 Difference]: Finished difference Result 286 states and 374 transitions. [2024-11-16 07:55:22,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 07:55:22,692 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 39 [2024-11-16 07:55:22,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:55:22,694 INFO L225 Difference]: With dead ends: 286 [2024-11-16 07:55:22,694 INFO L226 Difference]: Without dead ends: 213 [2024-11-16 07:55:22,695 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-16 07:55:22,696 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 173 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 07:55:22,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 476 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 07:55:22,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-11-16 07:55:22,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 205. [2024-11-16 07:55:22,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 154 states have (on average 1.2987012987012987) internal successors, (200), 168 states have internal predecessors, (200), 33 states have call successors, (33), 20 states have call predecessors, (33), 17 states have return successors, (33), 24 states have call predecessors, (33), 30 states have call successors, (33) [2024-11-16 07:55:22,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 266 transitions. [2024-11-16 07:55:22,719 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 266 transitions. Word has length 39 [2024-11-16 07:55:22,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:55:22,720 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 266 transitions. [2024-11-16 07:55:22,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-16 07:55:22,720 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 266 transitions. [2024-11-16 07:55:22,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-16 07:55:22,721 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:55:22,721 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 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, 1] [2024-11-16 07:55:22,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 07:55:22,721 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:55:22,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:55:22,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1232936409, now seen corresponding path program 1 times [2024-11-16 07:55:22,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:55:22,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713211443] [2024-11-16 07:55:22,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:55:22,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:55:22,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:55:22,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-16 07:55:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:55:22,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 07:55:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:55:22,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 07:55:22,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:55:22,854 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-16 07:55:22,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:55:22,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713211443] [2024-11-16 07:55:22,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713211443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:55:22,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:55:22,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 07:55:22,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272360399] [2024-11-16 07:55:22,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:55:22,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 07:55:22,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:55:22,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 07:55:22,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 07:55:22,856 INFO L87 Difference]: Start difference. First operand 205 states and 266 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-16 07:55:22,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:55:22,937 INFO L93 Difference]: Finished difference Result 364 states and 485 transitions. [2024-11-16 07:55:22,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 07:55:22,937 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 44 [2024-11-16 07:55:22,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:55:22,938 INFO L225 Difference]: With dead ends: 364 [2024-11-16 07:55:22,938 INFO L226 Difference]: Without dead ends: 0 [2024-11-16 07:55:22,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-16 07:55:22,940 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 45 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 07:55:22,943 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 256 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:55:22,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-16 07:55:22,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-16 07:55:22,943 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) [2024-11-16 07:55:22,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-16 07:55:22,944 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2024-11-16 07:55:22,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:55:22,944 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-16 07:55:22,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-16 07:55:22,944 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-16 07:55:22,944 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-16 07:55:22,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 07:55:22,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 07:55:22,950 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-16 07:55:22,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-16 07:55:23,350 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 07:55:23,387 WARN L156 FloydHoareUtils]: Requires clause for timeShift contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= |old(~pumpRunning~0)| 0)) Eliminated clause: (= ~pumpRunning~0 0) [2024-11-16 07:55:23,392 WARN L156 FloydHoareUtils]: Requires clause for cleanup contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= |old(~pumpRunning~0)| 0)) Eliminated clause: (= ~pumpRunning~0 0) [2024-11-16 07:55:23,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 07:55:23 BoogieIcfgContainer [2024-11-16 07:55:23,396 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 07:55:23,397 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 07:55:23,397 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 07:55:23,398 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 07:55:23,398 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:55:21" (3/4) ... [2024-11-16 07:55:23,400 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 07:55:23,403 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-16 07:55:23,404 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-16 07:55:23,404 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-16 07:55:23,404 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-16 07:55:23,404 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-16 07:55:23,404 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-16 07:55:23,404 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2024-11-16 07:55:23,410 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2024-11-16 07:55:23,410 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-16 07:55:23,410 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-16 07:55:23,411 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 07:55:23,411 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 07:55:23,487 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 07:55:23,487 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 07:55:23,487 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 07:55:23,488 INFO L158 Benchmark]: Toolchain (without parser) took 2402.00ms. Allocated memory was 138.4MB in the beginning and 197.1MB in the end (delta: 58.7MB). Free memory was 87.6MB in the beginning and 150.8MB in the end (delta: -63.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 07:55:23,488 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 138.4MB. Free memory was 99.4MB in the beginning and 99.3MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 07:55:23,488 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.59ms. Allocated memory is still 138.4MB. Free memory was 87.6MB in the beginning and 66.1MB in the end (delta: 21.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-16 07:55:23,488 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.92ms. Allocated memory is still 138.4MB. Free memory was 66.1MB in the beginning and 63.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 07:55:23,489 INFO L158 Benchmark]: Boogie Preprocessor took 38.35ms. Allocated memory is still 138.4MB. Free memory was 63.7MB in the beginning and 62.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 07:55:23,489 INFO L158 Benchmark]: IcfgBuilder took 370.30ms. Allocated memory was 138.4MB in the beginning and 197.1MB in the end (delta: 58.7MB). Free memory was 61.6MB in the beginning and 159.2MB in the end (delta: -97.6MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2024-11-16 07:55:23,489 INFO L158 Benchmark]: TraceAbstraction took 1466.34ms. Allocated memory is still 197.1MB. Free memory was 158.2MB in the beginning and 158.6MB in the end (delta: -426.6kB). Peak memory consumption was 104.9MB. Max. memory is 16.1GB. [2024-11-16 07:55:23,489 INFO L158 Benchmark]: Witness Printer took 90.52ms. Allocated memory is still 197.1MB. Free memory was 158.6MB in the beginning and 150.8MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-16 07:55:23,490 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 138.4MB. Free memory was 99.4MB in the beginning and 99.3MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.59ms. Allocated memory is still 138.4MB. Free memory was 87.6MB in the beginning and 66.1MB in the end (delta: 21.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.92ms. Allocated memory is still 138.4MB. Free memory was 66.1MB in the beginning and 63.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.35ms. Allocated memory is still 138.4MB. Free memory was 63.7MB in the beginning and 62.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 370.30ms. Allocated memory was 138.4MB in the beginning and 197.1MB in the end (delta: 58.7MB). Free memory was 61.6MB in the beginning and 159.2MB in the end (delta: -97.6MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1466.34ms. Allocated memory is still 197.1MB. Free memory was 158.2MB in the beginning and 158.6MB in the end (delta: -426.6kB). Peak memory consumption was 104.9MB. Max. memory is 16.1GB. * Witness Printer took 90.52ms. Allocated memory is still 197.1MB. Free memory was 158.6MB in the beginning and 150.8MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [87] - GenericResultAtLocation [Line: 139]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [139] - GenericResultAtLocation [Line: 505]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [505] - GenericResultAtLocation [Line: 600]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [600] - GenericResultAtLocation [Line: 609]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [609] - GenericResultAtLocation [Line: 709]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [709] - GenericResultAtLocation [Line: 777]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [777] * 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: 605]: 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 8 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 219 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 218 mSDsluCounter, 844 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 551 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 143 IncrementalHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 293 mSDtfsCounter, 143 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=205occurred in iteration=2, 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, 3 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 246 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 9/9 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: 622]: Location Invariant Derived location invariant: null - InvariantResult [Line: 721]: Location Invariant Derived location invariant: null - ProcedureContractResult [Line: 869]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: 0 Ensures: (0 && ((((((switchedOnBeforeTS == \old(switchedOnBeforeTS)) && (head == \old(head))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 810]: Procedure Contract for processEnvironment__wrappee__base Derived contract for procedure processEnvironment__wrappee__base. Requires: ((pumpRunning == 0) && (0 != systemActive)) Ensures: (((pumpRunning == 0) && (0 != systemActive)) && (((((((switchedOnBeforeTS == \old(switchedOnBeforeTS)) && (head == \old(head))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 538]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((switchedOnBeforeTS == \old(switchedOnBeforeTS)) && (head == \old(head))) && (waterLevel == \old(waterLevel))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 783]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && ((((head == \old(head)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 612]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: (pumpRunning == 0) Ensures: ((\old(pumpRunning) == 0) && ((((head == \old(head)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 526]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((switchedOnBeforeTS == \old(switchedOnBeforeTS)) && (head == \old(head))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 888]: Procedure Contract for isPumpRunning Derived contract for procedure isPumpRunning. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\result == 0)) && (((((((switchedOnBeforeTS == \old(switchedOnBeforeTS)) && (head == \old(head))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) RESULT: Ultimate proved your program to be correct! [2024-11-16 07:55:23,513 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