./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product23.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 3fa2925374831266c365e02bbdeeca981bf102eec792ab5e5349fa193f0e7273 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 15:54:03,409 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 15:54:03,493 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-05 15:54:03,501 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 15:54:03,502 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 15:54:03,531 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 15:54:03,532 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 15:54:03,532 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 15:54:03,532 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 15:54:03,532 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 15:54:03,532 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 15:54:03,534 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 15:54:03,534 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 15:54:03,534 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 15:54:03,534 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 15:54:03,535 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 15:54:03,535 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 15:54:03,535 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 15:54:03,535 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-05 15:54:03,535 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 15:54:03,535 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 15:54:03,535 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 15:54:03,535 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 15:54:03,535 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 15:54:03,535 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 15:54:03,535 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 15:54:03,535 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 15:54:03,536 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 15:54:03,536 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 15:54:03,536 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 15:54:03,536 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 15:54:03,536 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 15:54:03,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 15:54:03,536 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 15:54:03,536 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 15:54:03,536 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 15:54:03,536 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 15:54:03,536 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-05 15:54:03,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-05 15:54:03,537 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 15:54:03,537 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 15:54:03,537 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 15:54:03,537 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 15:54:03,537 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 3fa2925374831266c365e02bbdeeca981bf102eec792ab5e5349fa193f0e7273 [2025-02-05 15:54:03,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 15:54:03,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 15:54:03,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 15:54:03,834 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 15:54:03,834 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 15:54:03,835 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product23.cil.c [2025-02-05 15:54:05,241 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/71c9a9509/30f7065e0dc242db8b3f2d8a8b1d4537/FLAGd1ce98fa3 [2025-02-05 15:54:05,528 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 15:54:05,529 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product23.cil.c [2025-02-05 15:54:05,539 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/71c9a9509/30f7065e0dc242db8b3f2d8a8b1d4537/FLAGd1ce98fa3 [2025-02-05 15:54:05,812 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/71c9a9509/30f7065e0dc242db8b3f2d8a8b1d4537 [2025-02-05 15:54:05,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 15:54:05,815 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 15:54:05,816 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 15:54:05,816 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 15:54:05,820 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 15:54:05,821 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 03:54:05" (1/1) ... [2025-02-05 15:54:05,822 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e5fe1ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:05, skipping insertion in model container [2025-02-05 15:54:05,822 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 03:54:05" (1/1) ... [2025-02-05 15:54:05,849 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 15:54:06,039 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product23.cil.c[11292,11305] [2025-02-05 15:54:06,082 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 15:54:06,097 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 15:54:06,104 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2025-02-05 15:54:06,105 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [415] [2025-02-05 15:54:06,106 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [424] [2025-02-05 15:54:06,106 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [520] [2025-02-05 15:54:06,106 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [624] [2025-02-05 15:54:06,106 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [826] [2025-02-05 15:54:06,106 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [893] [2025-02-05 15:54:06,106 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [928] [2025-02-05 15:54:06,162 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product23.cil.c[11292,11305] [2025-02-05 15:54:06,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 15:54:06,192 INFO L204 MainTranslator]: Completed translation [2025-02-05 15:54:06,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:06 WrapperNode [2025-02-05 15:54:06,192 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 15:54:06,193 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 15:54:06,193 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 15:54:06,193 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 15:54:06,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:06" (1/1) ... [2025-02-05 15:54:06,208 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:06" (1/1) ... [2025-02-05 15:54:06,229 INFO L138 Inliner]: procedures = 56, calls = 102, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 197 [2025-02-05 15:54:06,230 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 15:54:06,231 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 15:54:06,231 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 15:54:06,231 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 15:54:06,237 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:06" (1/1) ... [2025-02-05 15:54:06,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:06" (1/1) ... [2025-02-05 15:54:06,239 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:06" (1/1) ... [2025-02-05 15:54:06,255 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]. [2025-02-05 15:54:06,255 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:06" (1/1) ... [2025-02-05 15:54:06,256 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:06" (1/1) ... [2025-02-05 15:54:06,259 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:06" (1/1) ... [2025-02-05 15:54:06,260 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:06" (1/1) ... [2025-02-05 15:54:06,261 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:06" (1/1) ... [2025-02-05 15:54:06,262 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:06" (1/1) ... [2025-02-05 15:54:06,264 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 15:54:06,265 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 15:54:06,265 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 15:54:06,265 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 15:54:06,265 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:06" (1/1) ... [2025-02-05 15:54:06,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 15:54:06,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:54:06,296 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-05 15:54:06,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-05 15:54:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 15:54:06,329 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2025-02-05 15:54:06,329 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2025-02-05 15:54:06,329 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2025-02-05 15:54:06,329 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2025-02-05 15:54:06,329 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2025-02-05 15:54:06,329 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2025-02-05 15:54:06,329 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2025-02-05 15:54:06,329 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2025-02-05 15:54:06,329 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2025-02-05 15:54:06,330 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2025-02-05 15:54:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2025-02-05 15:54:06,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2025-02-05 15:54:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2025-02-05 15:54:06,331 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2025-02-05 15:54:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-05 15:54:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2025-02-05 15:54:06,331 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2025-02-05 15:54:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 15:54:06,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 15:54:06,396 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 15:54:06,399 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 15:54:06,543 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L508-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; [2025-02-05 15:54:06,544 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L744-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2025-02-05 15:54:06,544 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L476-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2025-02-05 15:54:06,578 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint cleanupFINAL: assume true; [2025-02-05 15:54:06,654 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L925-1: valid_product_#res#1 := valid_product_~retValue_acc~11#1; [2025-02-05 15:54:06,654 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L621-1: main_#res#1 := main_~retValue_acc~6#1; [2025-02-05 15:54:06,691 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L808-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~9#1; [2025-02-05 15:54:06,691 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L517-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~5#1; [2025-02-05 15:54:06,696 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L753: #res := ~retValue_acc~8; [2025-02-05 15:54:06,717 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2025-02-05 15:54:06,717 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 15:54:06,728 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 15:54:06,729 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 15:54:06,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:54:06 BoogieIcfgContainer [2025-02-05 15:54:06,729 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 15:54:06,732 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 15:54:06,732 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 15:54:06,737 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 15:54:06,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 03:54:05" (1/3) ... [2025-02-05 15:54:06,738 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a73bffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 03:54:06, skipping insertion in model container [2025-02-05 15:54:06,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:06" (2/3) ... [2025-02-05 15:54:06,738 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a73bffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 03:54:06, skipping insertion in model container [2025-02-05 15:54:06,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:54:06" (3/3) ... [2025-02-05 15:54:06,740 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product23.cil.c [2025-02-05 15:54:06,753 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 15:54:06,757 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec5_product23.cil.c that has 9 procedures, 95 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-02-05 15:54:06,820 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 15:54:06,833 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;@3800c522, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 15:54:06,834 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-05 15:54:06,838 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 69 states have (on average 1.3478260869565217) internal successors, (93), 78 states have internal predecessors, (93), 15 states have call successors, (15), 8 states have call predecessors, (15), 7 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-05 15:54:06,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-02-05 15:54:06,845 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:54:06,846 INFO L218 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] [2025-02-05 15:54:06,846 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:54:06,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:54:06,850 INFO L85 PathProgramCache]: Analyzing trace with hash 592001699, now seen corresponding path program 1 times [2025-02-05 15:54:06,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:54:06,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289612734] [2025-02-05 15:54:06,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:54:06,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:54:06,934 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-05 15:54:06,978 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-05 15:54:06,979 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:54:06,979 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:54:07,162 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-02-05 15:54:07,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:54:07,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289612734] [2025-02-05 15:54:07,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289612734] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:54:07,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 15:54:07,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-05 15:54:07,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608601999] [2025-02-05 15:54:07,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:54:07,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-05 15:54:07,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:54:07,183 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-05 15:54:07,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-05 15:54:07,187 INFO L87 Difference]: Start difference. First operand has 94 states, 69 states have (on average 1.3478260869565217) internal successors, (93), 78 states have internal predecessors, (93), 15 states have call successors, (15), 8 states have call predecessors, (15), 7 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2025-02-05 15:54:07,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:54:07,260 INFO L93 Difference]: Finished difference Result 249 states and 339 transitions. [2025-02-05 15:54:07,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-05 15:54:07,262 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 36 [2025-02-05 15:54:07,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:54:07,270 INFO L225 Difference]: With dead ends: 249 [2025-02-05 15:54:07,271 INFO L226 Difference]: Without dead ends: 163 [2025-02-05 15:54:07,276 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-05 15:54:07,280 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 92 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 15:54:07,281 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 232 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:54:07,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2025-02-05 15:54:07,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 160. [2025-02-05 15:54:07,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 115 states have (on average 1.3217391304347825) internal successors, (152), 130 states have internal predecessors, (152), 30 states have call successors, (30), 16 states have call predecessors, (30), 14 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2025-02-05 15:54:07,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 210 transitions. [2025-02-05 15:54:07,343 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 210 transitions. Word has length 36 [2025-02-05 15:54:07,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:54:07,344 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 210 transitions. [2025-02-05 15:54:07,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2025-02-05 15:54:07,344 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 210 transitions. [2025-02-05 15:54:07,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-02-05 15:54:07,348 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:54:07,348 INFO L218 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] [2025-02-05 15:54:07,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-05 15:54:07,349 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:54:07,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:54:07,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1414997563, now seen corresponding path program 1 times [2025-02-05 15:54:07,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:54:07,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646320085] [2025-02-05 15:54:07,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:54:07,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:54:07,386 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-05 15:54:07,398 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-05 15:54:07,399 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:54:07,399 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:54:07,500 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-02-05 15:54:07,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:54:07,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646320085] [2025-02-05 15:54:07,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646320085] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:54:07,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 15:54:07,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-05 15:54:07,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006160283] [2025-02-05 15:54:07,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:54:07,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-05 15:54:07,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:54:07,504 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-05 15:54:07,505 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-05 15:54:07,505 INFO L87 Difference]: Start difference. First operand 160 states and 210 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-05 15:54:07,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:54:07,532 INFO L93 Difference]: Finished difference Result 254 states and 330 transitions. [2025-02-05 15:54:07,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-05 15:54:07,533 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2025-02-05 15:54:07,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:54:07,535 INFO L225 Difference]: With dead ends: 254 [2025-02-05 15:54:07,535 INFO L226 Difference]: Without dead ends: 142 [2025-02-05 15:54:07,536 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-05 15:54:07,540 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 15 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 176 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 [2025-02-05 15:54:07,541 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 176 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:54:07,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2025-02-05 15:54:07,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2025-02-05 15:54:07,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 103 states have (on average 1.3398058252427185) internal successors, (138), 118 states have internal predecessors, (138), 24 states have call successors, (24), 14 states have call predecessors, (24), 14 states have return successors, (24), 15 states have call predecessors, (24), 24 states have call successors, (24) [2025-02-05 15:54:07,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 186 transitions. [2025-02-05 15:54:07,574 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 186 transitions. Word has length 42 [2025-02-05 15:54:07,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:54:07,574 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 186 transitions. [2025-02-05 15:54:07,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-05 15:54:07,575 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 186 transitions. [2025-02-05 15:54:07,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-02-05 15:54:07,578 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:54:07,579 INFO L218 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] [2025-02-05 15:54:07,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-05 15:54:07,580 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:54:07,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:54:07,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1542912295, now seen corresponding path program 1 times [2025-02-05 15:54:07,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:54:07,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011568063] [2025-02-05 15:54:07,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:54:07,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:54:07,593 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-05 15:54:07,611 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-05 15:54:07,612 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:54:07,612 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:54:07,757 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-05 15:54:07,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:54:07,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011568063] [2025-02-05 15:54:07,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011568063] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:54:07,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 15:54:07,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-05 15:54:07,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837203945] [2025-02-05 15:54:07,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:54:07,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-05 15:54:07,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:54:07,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-05 15:54:07,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 15:54:07,760 INFO L87 Difference]: Start difference. First operand 142 states and 186 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-05 15:54:07,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:54:07,896 INFO L93 Difference]: Finished difference Result 236 states and 311 transitions. [2025-02-05 15:54:07,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-05 15:54:07,897 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 40 [2025-02-05 15:54:07,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:54:07,898 INFO L225 Difference]: With dead ends: 236 [2025-02-05 15:54:07,898 INFO L226 Difference]: Without dead ends: 0 [2025-02-05 15:54:07,900 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-02-05 15:54:07,900 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 57 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-05 15:54:07,900 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 211 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-05 15:54:07,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-05 15:54:07,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-05 15:54:07,901 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) [2025-02-05 15:54:07,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-05 15:54:07,902 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2025-02-05 15:54:07,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:54:07,902 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-05 15:54:07,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-05 15:54:07,902 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-05 15:54:07,903 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-05 15:54:07,905 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-05 15:54:07,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-05 15:54:07,908 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-02-05 15:54:07,910 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-05 15:54:08,300 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-05 15:54:08,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 03:54:08 BoogieIcfgContainer [2025-02-05 15:54:08,315 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-05 15:54:08,316 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-05 15:54:08,317 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-05 15:54:08,317 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-05 15:54:08,318 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:54:06" (3/4) ... [2025-02-05 15:54:08,320 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-05 15:54:08,325 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2025-02-05 15:54:08,325 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2025-02-05 15:54:08,325 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2025-02-05 15:54:08,326 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure timeShift [2025-02-05 15:54:08,326 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure cleanup [2025-02-05 15:54:08,326 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure waterRise [2025-02-05 15:54:08,326 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2025-02-05 15:54:08,326 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2025-02-05 15:54:08,333 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2025-02-05 15:54:08,335 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-02-05 15:54:08,335 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-02-05 15:54:08,335 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-05 15:54:08,336 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-05 15:54:08,418 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-05 15:54:08,419 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-05 15:54:08,419 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-05 15:54:08,421 INFO L158 Benchmark]: Toolchain (without parser) took 2605.20ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 49.0MB in the end (delta: 64.3MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. [2025-02-05 15:54:08,421 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 201.3MB. Free memory is still 123.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 15:54:08,422 INFO L158 Benchmark]: CACSL2BoogieTranslator took 376.77ms. Allocated memory is still 142.6MB. Free memory was 112.8MB in the beginning and 94.3MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-05 15:54:08,422 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.08ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 92.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 15:54:08,423 INFO L158 Benchmark]: Boogie Preprocessor took 33.21ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 91.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 15:54:08,423 INFO L158 Benchmark]: IcfgBuilder took 464.98ms. Allocated memory is still 142.6MB. Free memory was 91.1MB in the beginning and 72.8MB in the end (delta: 18.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-05 15:54:08,424 INFO L158 Benchmark]: TraceAbstraction took 1583.17ms. Allocated memory is still 142.6MB. Free memory was 71.8MB in the beginning and 57.3MB in the end (delta: 14.6MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2025-02-05 15:54:08,424 INFO L158 Benchmark]: Witness Printer took 103.04ms. Allocated memory is still 142.6MB. Free memory was 57.3MB in the beginning and 49.0MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 15:54:08,426 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 201.3MB. Free memory is still 123.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 376.77ms. Allocated memory is still 142.6MB. Free memory was 112.8MB in the beginning and 94.3MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.08ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 92.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.21ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 91.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 464.98ms. Allocated memory is still 142.6MB. Free memory was 91.1MB in the beginning and 72.8MB in the end (delta: 18.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1583.17ms. Allocated memory is still 142.6MB. Free memory was 71.8MB in the beginning and 57.3MB in the end (delta: 14.6MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Witness Printer took 103.04ms. Allocated memory is still 142.6MB. Free memory was 57.3MB in the beginning and 49.0MB in the end (delta: 8.3MB). 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [415] - GenericResultAtLocation [Line: 424]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [424] - GenericResultAtLocation [Line: 520]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [520] - GenericResultAtLocation [Line: 624]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [624] - GenericResultAtLocation [Line: 826]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [826] - GenericResultAtLocation [Line: 893]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [893] - GenericResultAtLocation [Line: 928]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [928] * 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: 420]: 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 9 procedures, 95 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 170 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 164 mSDsluCounter, 619 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 332 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50 IncrementalHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 287 mSDtfsCounter, 50 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=160occurred in iteration=1, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 115 ConstructedInterpolants, 0 QuantifiedInterpolants, 179 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 533]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 837]: Location Invariant Derived location invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) RESULT: Ultimate proved your program to be correct! [2025-02-05 15:54:08,443 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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