./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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_spec2_product23.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 df939eacd07971dbe984826c04d07f64706b0716dba249ed14f3095e44967ff6 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 05:39:16,235 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 05:39:16,286 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 05:39:16,293 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 05:39:16,293 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 05:39:16,312 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 05:39:16,313 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 05:39:16,313 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 05:39:16,313 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 05:39:16,313 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 05:39:16,313 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 05:39:16,313 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 05:39:16,314 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 05:39:16,314 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 05:39:16,314 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 05:39:16,314 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 05:39:16,314 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 05:39:16,314 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 05:39:16,314 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 05:39:16,314 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 05:39:16,314 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 05:39:16,314 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 05:39:16,314 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 05:39:16,314 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 05:39:16,315 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 05:39:16,315 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 05:39:16,315 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 05:39:16,315 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 05:39:16,315 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 05:39:16,315 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 05:39:16,315 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 05:39:16,315 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 05:39:16,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 05:39:16,315 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 05:39:16,315 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 05:39:16,315 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 05:39:16,315 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 05:39:16,315 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 05:39:16,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 05:39:16,315 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 05:39:16,315 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 05:39:16,315 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 05:39:16,315 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 05:39:16,316 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/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 -> df939eacd07971dbe984826c04d07f64706b0716dba249ed14f3095e44967ff6 [2025-03-08 05:39:16,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 05:39:16,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 05:39:16,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 05:39:16,541 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 05:39:16,541 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 05:39:16,542 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c [2025-03-08 05:39:17,703 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92950b606/28ccd8ebe9ae4d0c9dcdec9d0b4fa55f/FLAGe06b7ea70 [2025-03-08 05:39:17,971 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 05:39:17,973 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c [2025-03-08 05:39:17,986 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92950b606/28ccd8ebe9ae4d0c9dcdec9d0b4fa55f/FLAGe06b7ea70 [2025-03-08 05:39:18,264 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92950b606/28ccd8ebe9ae4d0c9dcdec9d0b4fa55f [2025-03-08 05:39:18,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 05:39:18,268 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 05:39:18,269 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 05:39:18,269 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 05:39:18,274 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 05:39:18,275 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:39:18" (1/1) ... [2025-03-08 05:39:18,276 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ba8ab43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:18, skipping insertion in model container [2025-03-08 05:39:18,276 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:39:18" (1/1) ... [2025-03-08 05:39:18,302 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 05:39:18,477 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_spec2_product23.cil.c[13383,13396] [2025-03-08 05:39:18,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 05:39:18,514 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 05:39:18,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2025-03-08 05:39:18,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [145] [2025-03-08 05:39:18,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [186] [2025-03-08 05:39:18,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [552] [2025-03-08 05:39:18,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [561] [2025-03-08 05:39:18,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [631] [2025-03-08 05:39:18,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [827] [2025-03-08 05:39:18,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [865] [2025-03-08 05:39:18,572 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_spec2_product23.cil.c[13383,13396] [2025-03-08 05:39:18,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 05:39:18,602 INFO L204 MainTranslator]: Completed translation [2025-03-08 05:39:18,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:18 WrapperNode [2025-03-08 05:39:18,603 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 05:39:18,604 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 05:39:18,605 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 05:39:18,605 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 05:39:18,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:18" (1/1) ... [2025-03-08 05:39:18,623 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:18" (1/1) ... [2025-03-08 05:39:18,647 INFO L138 Inliner]: procedures = 55, calls = 100, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 188 [2025-03-08 05:39:18,649 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 05:39:18,649 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 05:39:18,650 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 05:39:18,650 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 05:39:18,656 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:18" (1/1) ... [2025-03-08 05:39:18,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:18" (1/1) ... [2025-03-08 05:39:18,661 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:18" (1/1) ... [2025-03-08 05:39:18,675 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]. [2025-03-08 05:39:18,678 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:18" (1/1) ... [2025-03-08 05:39:18,678 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:18" (1/1) ... [2025-03-08 05:39:18,681 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:18" (1/1) ... [2025-03-08 05:39:18,684 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:18" (1/1) ... [2025-03-08 05:39:18,685 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:18" (1/1) ... [2025-03-08 05:39:18,686 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:18" (1/1) ... [2025-03-08 05:39:18,687 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 05:39:18,689 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 05:39:18,689 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 05:39:18,690 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 05:39:18,691 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:18" (1/1) ... [2025-03-08 05:39:18,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 05:39:18,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:39:18,717 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) [2025-03-08 05:39:18,723 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 [2025-03-08 05:39:18,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 05:39:18,739 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2025-03-08 05:39:18,739 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2025-03-08 05:39:18,739 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2025-03-08 05:39:18,739 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2025-03-08 05:39:18,739 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2025-03-08 05:39:18,739 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2025-03-08 05:39:18,739 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2025-03-08 05:39:18,739 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2025-03-08 05:39:18,739 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2025-03-08 05:39:18,739 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2025-03-08 05:39:18,739 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2025-03-08 05:39:18,739 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2025-03-08 05:39:18,739 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2025-03-08 05:39:18,739 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2025-03-08 05:39:18,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 05:39:18,739 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2025-03-08 05:39:18,739 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2025-03-08 05:39:18,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 05:39:18,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 05:39:18,795 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 05:39:18,796 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 05:39:18,913 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L754-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; [2025-03-08 05:39:18,913 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L745-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~6#1; [2025-03-08 05:39:18,918 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L101: #res := ~retValue_acc~0; [2025-03-08 05:39:18,967 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L959-1: main_#res#1 := main_~retValue_acc~11#1; [2025-03-08 05:39:18,967 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L862-1: valid_product_#res#1 := valid_product_~retValue_acc~10#1; [2025-03-08 05:39:18,986 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L142-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~2#1; [2025-03-08 05:39:18,988 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L809-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~8#1; [2025-03-08 05:39:19,007 INFO L? ?]: Removed 39 outVars from TransFormulas that were not future-live. [2025-03-08 05:39:19,007 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 05:39:19,019 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 05:39:19,020 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 05:39:19,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:39:19 BoogieIcfgContainer [2025-03-08 05:39:19,021 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 05:39:19,023 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 05:39:19,023 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 05:39:19,026 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 05:39:19,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 05:39:18" (1/3) ... [2025-03-08 05:39:19,028 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71ef3130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:39:19, skipping insertion in model container [2025-03-08 05:39:19,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:39:18" (2/3) ... [2025-03-08 05:39:19,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71ef3130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:39:19, skipping insertion in model container [2025-03-08 05:39:19,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:39:19" (3/3) ... [2025-03-08 05:39:19,031 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product23.cil.c [2025-03-08 05:39:19,042 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 05:39:19,043 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec2_product23.cil.c that has 9 procedures, 90 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-03-08 05:39:19,080 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 05:39:19,089 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;@772d936a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 05:39:19,089 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 05:39:19,092 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 65 states have (on average 1.3692307692307693) internal successors, (89), 74 states have internal predecessors, (89), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-08 05:39:19,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-03-08 05:39:19,097 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:39:19,098 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:39:19,098 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:39:19,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:39:19,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1040367223, now seen corresponding path program 1 times [2025-03-08 05:39:19,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:39:19,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365870531] [2025-03-08 05:39:19,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:39:19,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:39:19,161 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-08 05:39:19,178 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-08 05:39:19,179 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:39:19,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:39:19,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 05:39:19,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:39:19,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365870531] [2025-03-08 05:39:19,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365870531] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:39:19,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:39:19,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 05:39:19,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350316118] [2025-03-08 05:39:19,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:39:19,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 05:39:19,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:39:19,266 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 05:39:19,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 05:39:19,269 INFO L87 Difference]: Start difference. First operand has 90 states, 65 states have (on average 1.3692307692307693) internal successors, (89), 74 states have internal predecessors, (89), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-08 05:39:19,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:39:19,295 INFO L93 Difference]: Finished difference Result 171 states and 232 transitions. [2025-03-08 05:39:19,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 05:39:19,297 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2025-03-08 05:39:19,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:39:19,304 INFO L225 Difference]: With dead ends: 171 [2025-03-08 05:39:19,304 INFO L226 Difference]: Without dead ends: 81 [2025-03-08 05:39:19,308 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 05:39:19,309 INFO L435 NwaCegarLoop]: 115 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, 115 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 [2025-03-08 05:39:19,310 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:39:19,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2025-03-08 05:39:19,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2025-03-08 05:39:19,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 58 states have (on average 1.3275862068965518) internal successors, (77), 66 states have internal predecessors, (77), 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) [2025-03-08 05:39:19,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 106 transitions. [2025-03-08 05:39:19,344 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 106 transitions. Word has length 25 [2025-03-08 05:39:19,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:39:19,344 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 106 transitions. [2025-03-08 05:39:19,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-08 05:39:19,344 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 106 transitions. [2025-03-08 05:39:19,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-03-08 05:39:19,345 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:39:19,345 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:39:19,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 05:39:19,346 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:39:19,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:39:19,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1666252171, now seen corresponding path program 1 times [2025-03-08 05:39:19,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:39:19,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829459142] [2025-03-08 05:39:19,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:39:19,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:39:19,354 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-08 05:39:19,360 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-08 05:39:19,360 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:39:19,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:39:19,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 05:39:19,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:39:19,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829459142] [2025-03-08 05:39:19,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829459142] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:39:19,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:39:19,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:39:19,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188323185] [2025-03-08 05:39:19,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:39:19,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:39:19,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:39:19,429 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:39:19,429 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:39:19,429 INFO L87 Difference]: Start difference. First operand 81 states and 106 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-08 05:39:19,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:39:19,450 INFO L93 Difference]: Finished difference Result 126 states and 164 transitions. [2025-03-08 05:39:19,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:39:19,451 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2025-03-08 05:39:19,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:39:19,452 INFO L225 Difference]: With dead ends: 126 [2025-03-08 05:39:19,452 INFO L226 Difference]: Without dead ends: 73 [2025-03-08 05:39:19,453 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 [2025-03-08 05:39:19,453 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 15 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 169 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 [2025-03-08 05:39:19,453 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 169 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:39:19,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2025-03-08 05:39:19,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2025-03-08 05:39:19,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 53 states have (on average 1.3396226415094339) internal successors, (71), 61 states have internal predecessors, (71), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-08 05:39:19,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 95 transitions. [2025-03-08 05:39:19,460 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 95 transitions. Word has length 25 [2025-03-08 05:39:19,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:39:19,461 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 95 transitions. [2025-03-08 05:39:19,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-08 05:39:19,461 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 95 transitions. [2025-03-08 05:39:19,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-03-08 05:39:19,461 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:39:19,462 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:39:19,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 05:39:19,462 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:39:19,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:39:19,462 INFO L85 PathProgramCache]: Analyzing trace with hash 450141694, now seen corresponding path program 1 times [2025-03-08 05:39:19,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:39:19,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816148351] [2025-03-08 05:39:19,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:39:19,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:39:19,472 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-08 05:39:19,482 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-08 05:39:19,482 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:39:19,482 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:39:19,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 05:39:19,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:39:19,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816148351] [2025-03-08 05:39:19,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816148351] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:39:19,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:39:19,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 05:39:19,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037206393] [2025-03-08 05:39:19,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:39:19,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 05:39:19,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:39:19,628 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 05:39:19,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-08 05:39:19,628 INFO L87 Difference]: Start difference. First operand 73 states and 95 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-08 05:39:19,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:39:19,848 INFO L93 Difference]: Finished difference Result 243 states and 324 transitions. [2025-03-08 05:39:19,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 05:39:19,848 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2025-03-08 05:39:19,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:39:19,850 INFO L225 Difference]: With dead ends: 243 [2025-03-08 05:39:19,850 INFO L226 Difference]: Without dead ends: 178 [2025-03-08 05:39:19,850 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-03-08 05:39:19,851 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 164 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 05:39:19,851 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 423 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 05:39:19,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2025-03-08 05:39:19,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 172. [2025-03-08 05:39:19,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 123 states have (on average 1.3821138211382114) internal successors, (170), 141 states have internal predecessors, (170), 29 states have call successors, (29), 19 states have call predecessors, (29), 19 states have return successors, (30), 19 states have call predecessors, (30), 29 states have call successors, (30) [2025-03-08 05:39:19,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 229 transitions. [2025-03-08 05:39:19,883 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 229 transitions. Word has length 28 [2025-03-08 05:39:19,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:39:19,883 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 229 transitions. [2025-03-08 05:39:19,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-08 05:39:19,883 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 229 transitions. [2025-03-08 05:39:19,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-03-08 05:39:19,884 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:39:19,884 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:39:19,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 05:39:19,885 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:39:19,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:39:19,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1698317382, now seen corresponding path program 1 times [2025-03-08 05:39:19,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:39:19,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188671498] [2025-03-08 05:39:19,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:39:19,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:39:19,894 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-08 05:39:19,903 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-08 05:39:19,903 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:39:19,903 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:39:19,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 05:39:19,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:39:19,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188671498] [2025-03-08 05:39:19,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188671498] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:39:19,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:39:19,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 05:39:19,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447753426] [2025-03-08 05:39:19,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:39:19,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 05:39:19,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:39:19,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 05:39:19,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 05:39:19,991 INFO L87 Difference]: Start difference. First operand 172 states and 229 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-08 05:39:20,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:39:20,050 INFO L93 Difference]: Finished difference Result 287 states and 386 transitions. [2025-03-08 05:39:20,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 05:39:20,051 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2025-03-08 05:39:20,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:39:20,051 INFO L225 Difference]: With dead ends: 287 [2025-03-08 05:39:20,051 INFO L226 Difference]: Without dead ends: 0 [2025-03-08 05:39:20,052 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-03-08 05:39:20,053 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 35 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 05:39:20,053 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 154 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:39:20,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-08 05:39:20,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-08 05:39:20,054 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) [2025-03-08 05:39:20,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-08 05:39:20,054 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2025-03-08 05:39:20,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:39:20,054 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-08 05:39:20,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-08 05:39:20,054 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-08 05:39:20,054 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-08 05:39:20,056 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 05:39:20,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 05:39:20,058 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-03-08 05:39:20,060 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-08 05:39:20,458 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 05:39:20,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 05:39:20 BoogieIcfgContainer [2025-03-08 05:39:20,468 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 05:39:20,469 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 05:39:20,469 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 05:39:20,469 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 05:39:20,470 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:39:19" (3/4) ... [2025-03-08 05:39:20,471 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-08 05:39:20,474 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2025-03-08 05:39:20,474 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2025-03-08 05:39:20,474 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2025-03-08 05:39:20,475 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure cleanup [2025-03-08 05:39:20,475 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure timeShift [2025-03-08 05:39:20,475 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2025-03-08 05:39:20,475 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure waterRise [2025-03-08 05:39:20,475 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2025-03-08 05:39:20,479 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2025-03-08 05:39:20,479 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-03-08 05:39:20,479 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-08 05:39:20,479 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 05:39:20,480 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 05:39:20,547 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 05:39:20,548 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 05:39:20,548 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 05:39:20,548 INFO L158 Benchmark]: Toolchain (without parser) took 2280.81ms. Allocated memory is still 167.8MB. Free memory was 122.5MB in the beginning and 60.1MB in the end (delta: 62.4MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB. [2025-03-08 05:39:20,548 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 116.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 05:39:20,549 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.42ms. Allocated memory is still 167.8MB. Free memory was 122.5MB in the beginning and 103.4MB in the end (delta: 19.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 05:39:20,549 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.66ms. Allocated memory is still 167.8MB. Free memory was 103.4MB in the beginning and 102.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 05:39:20,549 INFO L158 Benchmark]: Boogie Preprocessor took 39.16ms. Allocated memory is still 167.8MB. Free memory was 102.0MB in the beginning and 100.0MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 05:39:20,549 INFO L158 Benchmark]: IcfgBuilder took 332.03ms. Allocated memory is still 167.8MB. Free memory was 100.0MB in the beginning and 82.2MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 05:39:20,549 INFO L158 Benchmark]: TraceAbstraction took 1445.01ms. Allocated memory is still 167.8MB. Free memory was 81.2MB in the beginning and 68.3MB in the end (delta: 12.9MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2025-03-08 05:39:20,549 INFO L158 Benchmark]: Witness Printer took 78.90ms. Allocated memory is still 167.8MB. Free memory was 68.3MB in the beginning and 60.1MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 05:39:20,550 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 201.3MB. Free memory is still 116.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.42ms. Allocated memory is still 167.8MB. Free memory was 122.5MB in the beginning and 103.4MB in the end (delta: 19.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.66ms. Allocated memory is still 167.8MB. Free memory was 103.4MB in the beginning and 102.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.16ms. Allocated memory is still 167.8MB. Free memory was 102.0MB in the beginning and 100.0MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 332.03ms. Allocated memory is still 167.8MB. Free memory was 100.0MB in the beginning and 82.2MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1445.01ms. Allocated memory is still 167.8MB. Free memory was 81.2MB in the beginning and 68.3MB in the end (delta: 12.9MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Witness Printer took 78.90ms. Allocated memory is still 167.8MB. Free memory was 68.3MB in the beginning and 60.1MB in the end (delta: 8.2MB). 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 145]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [145] - GenericResultAtLocation [Line: 186]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [186] - GenericResultAtLocation [Line: 552]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [552] - GenericResultAtLocation [Line: 561]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [561] - GenericResultAtLocation [Line: 631]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [631] - GenericResultAtLocation [Line: 827]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [827] - GenericResultAtLocation [Line: 865]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [865] * 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: 557]: 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, 90 locations, 134 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 218 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 214 mSDsluCounter, 861 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 492 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 118 IncrementalHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 369 mSDtfsCounter, 118 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=172occurred in iteration=3, InterpolantAutomatonStates: 16, 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, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 203 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 877]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 575]: Location Invariant Derived location invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) RESULT: Ultimate proved your program to be correct! [2025-03-08 05:39:20,565 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