./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 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_product32.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 2b0f126ee4d94a96683a291e8cdda3d32342b26980ee5a2243ede6664f8cbf9b --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 14:29:25,599 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 14:29:25,661 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-03 14:29:25,665 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 14:29:25,666 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 14:29:25,681 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 14:29:25,681 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 14:29:25,682 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 14:29:25,682 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 14:29:25,682 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 14:29:25,682 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 14:29:25,682 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 14:29:25,682 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 14:29:25,682 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 14:29:25,683 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 14:29:25,683 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 14:29:25,683 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 14:29:25,683 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 14:29:25,683 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-03 14:29:25,684 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 14:29:25,684 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 14:29:25,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 14:29:25,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 14:29:25,685 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 14:29:25,685 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 14:29:25,685 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 14:29:25,685 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 14:29:25,685 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 14:29:25,685 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 14:29:25,685 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 14:29:25,685 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 14:29:25,685 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 14:29:25,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 14:29:25,686 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 14:29:25,686 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 14:29:25,686 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 14:29:25,686 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 14:29:25,686 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-03 14:29:25,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-03 14:29:25,687 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 14:29:25,687 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 14:29:25,687 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 14:29:25,687 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 14:29:25,687 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 -> 2b0f126ee4d94a96683a291e8cdda3d32342b26980ee5a2243ede6664f8cbf9b [2025-03-03 14:29:25,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 14:29:25,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 14:29:25,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 14:29:25,926 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 14:29:25,927 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 14:29:25,928 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c [2025-03-03 14:29:27,108 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae96d42b2/a370ec23ca6a4acda21f5a69002c622a/FLAG8ee536ac7 [2025-03-03 14:29:27,378 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 14:29:27,379 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c [2025-03-03 14:29:27,390 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae96d42b2/a370ec23ca6a4acda21f5a69002c622a/FLAG8ee536ac7 [2025-03-03 14:29:27,688 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae96d42b2/a370ec23ca6a4acda21f5a69002c622a [2025-03-03 14:29:27,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 14:29:27,692 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 14:29:27,693 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 14:29:27,694 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 14:29:27,697 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 14:29:27,698 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 02:29:27" (1/1) ... [2025-03-03 14:29:27,700 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@465b127f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:29:27, skipping insertion in model container [2025-03-03 14:29:27,700 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 02:29:27" (1/1) ... [2025-03-03 14:29:27,726 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 14:29:27,844 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_product32.cil.c[1605,1618] [2025-03-03 14:29:27,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 14:29:27,954 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 14:29:27,959 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2025-03-03 14:29:27,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [58] [2025-03-03 14:29:27,961 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [133] [2025-03-03 14:29:27,961 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [360] [2025-03-03 14:29:27,961 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [461] [2025-03-03 14:29:27,961 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [496] [2025-03-03 14:29:27,962 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [586] [2025-03-03 14:29:27,962 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [625] [2025-03-03 14:29:27,967 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_product32.cil.c[1605,1618] [2025-03-03 14:29:28,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 14:29:28,027 INFO L204 MainTranslator]: Completed translation [2025-03-03 14:29:28,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:29:28 WrapperNode [2025-03-03 14:29:28,028 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 14:29:28,029 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 14:29:28,029 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 14:29:28,029 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 14:29:28,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:29:28" (1/1) ... [2025-03-03 14:29:28,039 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:29:28" (1/1) ... [2025-03-03 14:29:28,060 INFO L138 Inliner]: procedures = 57, calls = 103, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 182 [2025-03-03 14:29:28,061 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 14:29:28,062 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 14:29:28,062 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 14:29:28,062 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 14:29:28,068 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:29:28" (1/1) ... [2025-03-03 14:29:28,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:29:28" (1/1) ... [2025-03-03 14:29:28,073 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:29:28" (1/1) ... [2025-03-03 14:29:28,084 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]. [2025-03-03 14:29:28,084 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:29:28" (1/1) ... [2025-03-03 14:29:28,084 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:29:28" (1/1) ... [2025-03-03 14:29:28,087 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:29:28" (1/1) ... [2025-03-03 14:29:28,088 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:29:28" (1/1) ... [2025-03-03 14:29:28,089 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:29:28" (1/1) ... [2025-03-03 14:29:28,089 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:29:28" (1/1) ... [2025-03-03 14:29:28,090 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 14:29:28,091 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 14:29:28,091 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 14:29:28,091 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 14:29:28,092 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:29:28" (1/1) ... [2025-03-03 14:29:28,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 14:29:28,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 14:29:28,119 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) [2025-03-03 14:29:28,122 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 [2025-03-03 14:29:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 14:29:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2025-03-03 14:29:28,139 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2025-03-03 14:29:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2025-03-03 14:29:28,139 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2025-03-03 14:29:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2025-03-03 14:29:28,139 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2025-03-03 14:29:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2025-03-03 14:29:28,140 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2025-03-03 14:29:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2025-03-03 14:29:28,140 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2025-03-03 14:29:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2025-03-03 14:29:28,140 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2025-03-03 14:29:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2025-03-03 14:29:28,140 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2025-03-03 14:29:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2025-03-03 14:29:28,140 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2025-03-03 14:29:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-03 14:29:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2025-03-03 14:29:28,140 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2025-03-03 14:29:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 14:29:28,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 14:29:28,195 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 14:29:28,196 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 14:29:28,227 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L542: #res := ~retValue_acc~6; [2025-03-03 14:29:28,300 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L279-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-03-03 14:29:28,373 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L493-1: valid_product_#res#1 := valid_product_~retValue_acc~5#1; [2025-03-03 14:29:28,373 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L458-1: main_#res#1 := main_~retValue_acc~3#1; [2025-03-03 14:29:28,403 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L334-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~2#1; [2025-03-03 14:29:28,403 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L583-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~8#1; [2025-03-03 14:29:28,407 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L270: #res := ~retValue_acc~0; [2025-03-03 14:29:28,419 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2025-03-03 14:29:28,419 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 14:29:28,430 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 14:29:28,430 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 14:29:28,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 02:29:28 BoogieIcfgContainer [2025-03-03 14:29:28,430 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 14:29:28,433 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 14:29:28,433 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 14:29:28,436 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 14:29:28,437 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 02:29:27" (1/3) ... [2025-03-03 14:29:28,437 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ad2104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 02:29:28, skipping insertion in model container [2025-03-03 14:29:28,438 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:29:28" (2/3) ... [2025-03-03 14:29:28,438 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ad2104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 02:29:28, skipping insertion in model container [2025-03-03 14:29:28,438 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 02:29:28" (3/3) ... [2025-03-03 14:29:28,439 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product32.cil.c [2025-03-03 14:29:28,454 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 14:29:28,457 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec2_product32.cil.c that has 10 procedures, 97 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-03-03 14:29:28,504 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 14:29:28,517 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;@5db30ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 14:29:28,517 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 14:29:28,524 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 70 states have (on average 1.3428571428571427) internal successors, (94), 79 states have internal predecessors, (94), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) [2025-03-03 14:29:28,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-03-03 14:29:28,531 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:29:28,531 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] [2025-03-03 14:29:28,531 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:29:28,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:29:28,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1866372629, now seen corresponding path program 1 times [2025-03-03 14:29:28,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:29:28,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297375249] [2025-03-03 14:29:28,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:29:28,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:29:28,596 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-03 14:29:28,615 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-03 14:29:28,615 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:29:28,615 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:29:28,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 14:29:28,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:29:28,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297375249] [2025-03-03 14:29:28,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297375249] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:29:28,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 14:29:28,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-03 14:29:28,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457888417] [2025-03-03 14:29:28,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:29:28,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-03 14:29:28,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:29:28,683 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-03 14:29:28,683 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 14:29:28,686 INFO L87 Difference]: Start difference. First operand has 97 states, 70 states have (on average 1.3428571428571427) internal successors, (94), 79 states have internal predecessors, (94), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) 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) [2025-03-03 14:29:28,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:29:28,714 INFO L93 Difference]: Finished difference Result 185 states and 246 transitions. [2025-03-03 14:29:28,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-03 14:29:28,716 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 [2025-03-03 14:29:28,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:29:28,722 INFO L225 Difference]: With dead ends: 185 [2025-03-03 14:29:28,723 INFO L226 Difference]: Without dead ends: 88 [2025-03-03 14:29:28,727 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 [2025-03-03 14:29:28,731 INFO L435 NwaCegarLoop]: 122 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, 122 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 [2025-03-03 14:29:28,732 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:29:28,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2025-03-03 14:29:28,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2025-03-03 14:29:28,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 63 states have (on average 1.3015873015873016) internal successors, (82), 71 states have internal predecessors, (82), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-03 14:29:28,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 113 transitions. [2025-03-03 14:29:28,760 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 113 transitions. Word has length 25 [2025-03-03 14:29:28,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:29:28,761 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 113 transitions. [2025-03-03 14:29:28,761 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) [2025-03-03 14:29:28,761 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 113 transitions. [2025-03-03 14:29:28,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-03-03 14:29:28,764 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:29:28,764 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] [2025-03-03 14:29:28,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-03 14:29:28,764 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:29:28,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:29:28,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1309328166, now seen corresponding path program 1 times [2025-03-03 14:29:28,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:29:28,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487902942] [2025-03-03 14:29:28,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:29:28,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:29:28,775 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-03 14:29:28,781 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-03 14:29:28,781 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:29:28,781 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:29:28,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 14:29:28,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:29:28,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487902942] [2025-03-03 14:29:28,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487902942] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:29:28,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 14:29:28,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-03 14:29:28,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649998180] [2025-03-03 14:29:28,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:29:28,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-03 14:29:28,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:29:28,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-03 14:29:28,859 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 14:29:28,860 INFO L87 Difference]: Start difference. First operand 88 states and 113 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2025-03-03 14:29:28,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:29:28,874 INFO L93 Difference]: Finished difference Result 137 states and 175 transitions. [2025-03-03 14:29:28,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-03 14:29:28,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 26 [2025-03-03 14:29:28,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:29:28,877 INFO L225 Difference]: With dead ends: 137 [2025-03-03 14:29:28,877 INFO L226 Difference]: Without dead ends: 79 [2025-03-03 14:29:28,878 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 [2025-03-03 14:29:28,878 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 16 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 179 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 [2025-03-03 14:29:28,878 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 179 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:29:28,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2025-03-03 14:29:28,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2025-03-03 14:29:28,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 65 states have internal predecessors, (75), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-03 14:29:28,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 101 transitions. [2025-03-03 14:29:28,885 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 101 transitions. Word has length 26 [2025-03-03 14:29:28,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:29:28,885 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 101 transitions. [2025-03-03 14:29:28,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2025-03-03 14:29:28,885 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 101 transitions. [2025-03-03 14:29:28,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-03-03 14:29:28,886 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:29:28,886 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] [2025-03-03 14:29:28,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-03 14:29:28,886 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:29:28,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:29:28,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1412156036, now seen corresponding path program 1 times [2025-03-03 14:29:28,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:29:28,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311089259] [2025-03-03 14:29:28,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:29:28,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:29:28,895 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-03 14:29:28,912 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-03 14:29:28,912 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:29:28,912 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:29:28,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 14:29:28,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:29:28,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311089259] [2025-03-03 14:29:28,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311089259] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:29:28,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 14:29:28,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-03 14:29:28,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953838105] [2025-03-03 14:29:28,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:29:28,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-03 14:29:28,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:29:28,975 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-03 14:29:28,975 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-03 14:29:28,976 INFO L87 Difference]: Start difference. First operand 79 states and 101 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2025-03-03 14:29:28,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:29:28,997 INFO L93 Difference]: Finished difference Result 219 states and 286 transitions. [2025-03-03 14:29:28,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-03 14:29:28,998 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 30 [2025-03-03 14:29:28,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:29:28,999 INFO L225 Difference]: With dead ends: 219 [2025-03-03 14:29:28,999 INFO L226 Difference]: Without dead ends: 148 [2025-03-03 14:29:29,000 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 [2025-03-03 14:29:29,000 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 79 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 14:29:29,000 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 204 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:29:29,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2025-03-03 14:29:29,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 145. [2025-03-03 14:29:29,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 102 states have (on average 1.3431372549019607) internal successors, (137), 117 states have internal predecessors, (137), 26 states have call successors, (26), 16 states have call predecessors, (26), 16 states have return successors, (26), 17 states have call predecessors, (26), 26 states have call successors, (26) [2025-03-03 14:29:29,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 189 transitions. [2025-03-03 14:29:29,026 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 189 transitions. Word has length 30 [2025-03-03 14:29:29,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:29:29,026 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 189 transitions. [2025-03-03 14:29:29,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2025-03-03 14:29:29,026 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 189 transitions. [2025-03-03 14:29:29,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-03-03 14:29:29,027 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:29:29,027 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, 1] [2025-03-03 14:29:29,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-03 14:29:29,027 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 14:29:29,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:29:29,028 INFO L85 PathProgramCache]: Analyzing trace with hash -833175354, now seen corresponding path program 1 times [2025-03-03 14:29:29,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:29:29,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109757402] [2025-03-03 14:29:29,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:29:29,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 14:29:29,039 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-03-03 14:29:29,051 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-03-03 14:29:29,051 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 14:29:29,051 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 14:29:29,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 14:29:29,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 14:29:29,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109757402] [2025-03-03 14:29:29,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109757402] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 14:29:29,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 14:29:29,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-03 14:29:29,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847525477] [2025-03-03 14:29:29,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 14:29:29,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-03 14:29:29,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 14:29:29,150 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-03 14:29:29,151 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-03 14:29:29,151 INFO L87 Difference]: Start difference. First operand 145 states and 189 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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) [2025-03-03 14:29:29,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 14:29:29,214 INFO L93 Difference]: Finished difference Result 232 states and 305 transitions. [2025-03-03 14:29:29,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-03 14:29:29,217 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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 33 [2025-03-03 14:29:29,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 14:29:29,217 INFO L225 Difference]: With dead ends: 232 [2025-03-03 14:29:29,218 INFO L226 Difference]: Without dead ends: 0 [2025-03-03 14:29:29,219 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 [2025-03-03 14:29:29,221 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 36 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 160 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 [2025-03-03 14:29:29,221 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 160 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 14:29:29,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-03 14:29:29,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-03 14:29:29,222 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) [2025-03-03 14:29:29,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-03 14:29:29,223 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2025-03-03 14:29:29,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 14:29:29,223 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-03 14:29:29,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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) [2025-03-03 14:29:29,223 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-03 14:29:29,223 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-03 14:29:29,225 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-03 14:29:29,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-03 14:29:29,228 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-03-03 14:29:29,229 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-03 14:29:29,562 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 14:29:29,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 02:29:29 BoogieIcfgContainer [2025-03-03 14:29:29,572 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 14:29:29,573 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 14:29:29,573 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 14:29:29,573 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 14:29:29,573 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 02:29:28" (3/4) ... [2025-03-03 14:29:29,575 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-03 14:29:29,578 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2025-03-03 14:29:29,579 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2025-03-03 14:29:29,579 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2025-03-03 14:29:29,579 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2025-03-03 14:29:29,579 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure cleanup [2025-03-03 14:29:29,579 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure timeShift [2025-03-03 14:29:29,579 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure waterRise [2025-03-03 14:29:29,579 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2025-03-03 14:29:29,579 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2025-03-03 14:29:29,587 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2025-03-03 14:29:29,587 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-03-03 14:29:29,587 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-03 14:29:29,588 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-03 14:29:29,588 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-03 14:29:29,657 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-03 14:29:29,657 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-03 14:29:29,658 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 14:29:29,658 INFO L158 Benchmark]: Toolchain (without parser) took 1966.55ms. Allocated memory is still 201.3MB. Free memory was 158.5MB in the beginning and 130.8MB in the end (delta: 27.7MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2025-03-03 14:29:29,658 INFO L158 Benchmark]: CDTParser took 1.07ms. Allocated memory is still 201.3MB. Free memory is still 117.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 14:29:29,658 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.73ms. Allocated memory is still 201.3MB. Free memory was 158.3MB in the beginning and 139.6MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-03 14:29:29,658 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.98ms. Allocated memory is still 201.3MB. Free memory was 139.6MB in the beginning and 137.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 14:29:29,659 INFO L158 Benchmark]: Boogie Preprocessor took 28.50ms. Allocated memory is still 201.3MB. Free memory was 137.7MB in the beginning and 136.3MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 14:29:29,659 INFO L158 Benchmark]: IcfgBuilder took 339.66ms. Allocated memory is still 201.3MB. Free memory was 136.3MB in the beginning and 117.6MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-03 14:29:29,659 INFO L158 Benchmark]: TraceAbstraction took 1139.17ms. Allocated memory is still 201.3MB. Free memory was 117.1MB in the beginning and 139.2MB in the end (delta: -22.1MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. [2025-03-03 14:29:29,659 INFO L158 Benchmark]: Witness Printer took 84.85ms. Allocated memory is still 201.3MB. Free memory was 138.2MB in the beginning and 130.8MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 14:29:29,661 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.07ms. Allocated memory is still 201.3MB. Free memory is still 117.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.73ms. Allocated memory is still 201.3MB. Free memory was 158.3MB in the beginning and 139.6MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.98ms. Allocated memory is still 201.3MB. Free memory was 139.6MB in the beginning and 137.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.50ms. Allocated memory is still 201.3MB. Free memory was 137.7MB in the beginning and 136.3MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 339.66ms. Allocated memory is still 201.3MB. Free memory was 136.3MB in the beginning and 117.6MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1139.17ms. Allocated memory is still 201.3MB. Free memory was 117.1MB in the beginning and 139.2MB in the end (delta: -22.1MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. * Witness Printer took 84.85ms. Allocated memory is still 201.3MB. Free memory was 138.2MB in the beginning and 130.8MB in the end (delta: 7.4MB). 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [58] - GenericResultAtLocation [Line: 133]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [133] - GenericResultAtLocation [Line: 360]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [360] - GenericResultAtLocation [Line: 461]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [461] - GenericResultAtLocation [Line: 496]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [496] - GenericResultAtLocation [Line: 586]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [586] - GenericResultAtLocation [Line: 625]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [625] * 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: 54]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 97 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 135 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 131 mSDsluCounter, 665 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 273 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 392 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=145occurred in iteration=3, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 204 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: 75]: Location Invariant Derived location invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 372]: Location Invariant Derived location invariant: 0 RESULT: Ultimate proved your program to be correct! [2025-03-03 14:29:29,672 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