./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d20064856c358ac34c15406fcd734cb6b5694fad7d43f4bd7014ec1cea8e62ba --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 15:54:04,349 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 15:54:04,415 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-05 15:54:04,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 15:54:04,421 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 15:54:04,445 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 15:54:04,446 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 15:54:04,446 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 15:54:04,446 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 15:54:04,446 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 15:54:04,447 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 15:54:04,447 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 15:54:04,447 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 15:54:04,447 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 15:54:04,448 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 15:54:04,448 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 15:54:04,448 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 15:54:04,448 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 15:54:04,448 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-05 15:54:04,449 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 15:54:04,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 15:54:04,449 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 15:54:04,449 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 15:54:04,449 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 15:54:04,449 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 15:54:04,449 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 15:54:04,449 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 15:54:04,449 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 15:54:04,449 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 15:54:04,449 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 15:54:04,449 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 15:54:04,449 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 15:54:04,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 15:54:04,450 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 15:54:04,450 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 15:54:04,450 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 15:54:04,450 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 15:54:04,450 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-05 15:54:04,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-05 15:54:04,450 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 15:54:04,450 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 15:54:04,450 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 15:54:04,450 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 15:54:04,450 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d20064856c358ac34c15406fcd734cb6b5694fad7d43f4bd7014ec1cea8e62ba [2025-02-05 15:54:04,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 15:54:04,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 15:54:04,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 15:54:04,726 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 15:54:04,726 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 15:54:04,727 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c [2025-02-05 15:54:05,924 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/95e0af17b/27f889dc87924e48843bfb13fe550a53/FLAGfcdc84ae7 [2025-02-05 15:54:06,185 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 15:54:06,186 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c [2025-02-05 15:54:06,194 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/95e0af17b/27f889dc87924e48843bfb13fe550a53/FLAGfcdc84ae7 [2025-02-05 15:54:06,206 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/95e0af17b/27f889dc87924e48843bfb13fe550a53 [2025-02-05 15:54:06,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 15:54:06,209 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 15:54:06,210 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 15:54:06,210 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 15:54:06,213 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 15:54:06,214 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 03:54:06" (1/1) ... [2025-02-05 15:54:06,214 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54209071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:06, skipping insertion in model container [2025-02-05 15:54:06,215 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 03:54:06" (1/1) ... [2025-02-05 15:54:06,233 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 15:54:06,564 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c[13937,13950] [2025-02-05 15:54:06,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 15:54:06,636 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 15:54:06,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2025-02-05 15:54:06,652 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [87] [2025-02-05 15:54:06,652 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [139] [2025-02-05 15:54:06,652 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [505] [2025-02-05 15:54:06,652 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [600] [2025-02-05 15:54:06,652 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [609] [2025-02-05 15:54:06,652 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [709] [2025-02-05 15:54:06,652 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [777] [2025-02-05 15:54:06,725 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c[13937,13950] [2025-02-05 15:54:06,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 15:54:06,768 INFO L204 MainTranslator]: Completed translation [2025-02-05 15:54:06,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:06 WrapperNode [2025-02-05 15:54:06,773 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 15:54:06,775 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 15:54:06,775 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 15:54:06,775 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 15:54:06,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:06" (1/1) ... [2025-02-05 15:54:06,799 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:06" (1/1) ... [2025-02-05 15:54:06,837 INFO L138 Inliner]: procedures = 56, calls = 100, calls flagged for inlining = 24, calls inlined = 18, statements flattened = 171 [2025-02-05 15:54:06,842 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 15:54:06,842 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 15:54:06,845 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 15:54:06,845 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 15:54:06,855 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:06" (1/1) ... [2025-02-05 15:54:06,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:06" (1/1) ... [2025-02-05 15:54:06,865 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:06" (1/1) ... [2025-02-05 15:54:06,888 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-05 15:54:06,891 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:06" (1/1) ... [2025-02-05 15:54:06,892 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:06" (1/1) ... [2025-02-05 15:54:06,894 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:06" (1/1) ... [2025-02-05 15:54:06,895 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:06" (1/1) ... [2025-02-05 15:54:06,903 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:06" (1/1) ... [2025-02-05 15:54:06,903 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:06" (1/1) ... [2025-02-05 15:54:06,909 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 15:54:06,909 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 15:54:06,912 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 15:54:06,912 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 15:54:06,913 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:06" (1/1) ... [2025-02-05 15:54:06,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 15:54:06,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:54:06,959 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-05 15:54:06,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-05 15:54:06,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 15:54:06,977 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2025-02-05 15:54:06,978 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2025-02-05 15:54:06,978 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2025-02-05 15:54:06,978 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2025-02-05 15:54:06,978 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2025-02-05 15:54:06,978 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2025-02-05 15:54:06,978 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2025-02-05 15:54:06,978 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2025-02-05 15:54:06,978 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2025-02-05 15:54:06,978 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2025-02-05 15:54:06,978 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2025-02-05 15:54:06,978 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2025-02-05 15:54:06,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-05 15:54:06,978 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2025-02-05 15:54:06,979 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2025-02-05 15:54:06,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 15:54:06,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 15:54:07,024 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 15:54:07,026 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 15:54:07,113 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L597-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~7#1; [2025-02-05 15:54:07,113 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L949-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~11#1; [2025-02-05 15:54:07,113 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L588-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; [2025-02-05 15:54:07,131 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint cleanupFINAL: assume true; [2025-02-05 15:54:07,178 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L706-1: main_#res#1 := main_~retValue_acc~8#1; [2025-02-05 15:54:07,178 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L84-1: valid_product_#res#1 := valid_product_~retValue_acc~1#1; [2025-02-05 15:54:07,183 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L894: #res := ~retValue_acc~10; [2025-02-05 15:54:07,194 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2025-02-05 15:54:07,194 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 15:54:07,202 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 15:54:07,203 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 15:54:07,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:54:07 BoogieIcfgContainer [2025-02-05 15:54:07,203 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 15:54:07,204 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 15:54:07,205 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 15:54:07,208 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 15:54:07,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 03:54:06" (1/3) ... [2025-02-05 15:54:07,208 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d16746d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 03:54:07, skipping insertion in model container [2025-02-05 15:54:07,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:06" (2/3) ... [2025-02-05 15:54:07,209 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d16746d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 03:54:07, skipping insertion in model container [2025-02-05 15:54:07,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:54:07" (3/3) ... [2025-02-05 15:54:07,210 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product27.cil.c [2025-02-05 15:54:07,220 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 15:54:07,222 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec5_product27.cil.c that has 8 procedures, 85 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-02-05 15:54:07,256 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 15:54:07,265 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;@8e31017, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 15:54:07,265 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-05 15:54:07,268 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 63 states have (on average 1.3492063492063493) internal successors, (85), 70 states have internal predecessors, (85), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2025-02-05 15:54:07,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-02-05 15:54:07,273 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:54:07,274 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:54:07,274 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:54:07,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:54:07,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1245635147, now seen corresponding path program 1 times [2025-02-05 15:54:07,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:54:07,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743748032] [2025-02-05 15:54:07,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:54:07,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:54:07,335 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-05 15:54:07,348 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-05 15:54:07,349 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:54:07,349 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:54:07,395 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-02-05 15:54:07,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:54:07,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743748032] [2025-02-05 15:54:07,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743748032] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:54:07,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 15:54:07,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-05 15:54:07,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088767725] [2025-02-05 15:54:07,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:54:07,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-05 15:54:07,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:54:07,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-05 15:54:07,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-05 15:54:07,418 INFO L87 Difference]: Start difference. First operand has 84 states, 63 states have (on average 1.3492063492063493) internal successors, (85), 70 states have internal predecessors, (85), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-05 15:54:07,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:54:07,441 INFO L93 Difference]: Finished difference Result 151 states and 202 transitions. [2025-02-05 15:54:07,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-05 15:54:07,444 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2025-02-05 15:54:07,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:54:07,453 INFO L225 Difference]: With dead ends: 151 [2025-02-05 15:54:07,454 INFO L226 Difference]: Without dead ends: 76 [2025-02-05 15:54:07,457 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 [2025-02-05 15:54:07,459 INFO L435 NwaCegarLoop]: 102 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, 102 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 [2025-02-05 15:54:07,460 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:54:07,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2025-02-05 15:54:07,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2025-02-05 15:54:07,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 57 states have (on average 1.2982456140350878) internal successors, (74), 63 states have internal predecessors, (74), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2025-02-05 15:54:07,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 97 transitions. [2025-02-05 15:54:07,488 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 97 transitions. Word has length 32 [2025-02-05 15:54:07,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:54:07,488 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 97 transitions. [2025-02-05 15:54:07,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-05 15:54:07,488 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 97 transitions. [2025-02-05 15:54:07,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-02-05 15:54:07,489 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:54:07,490 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:54:07,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-05 15:54:07,490 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:54:07,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:54:07,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1432333347, now seen corresponding path program 1 times [2025-02-05 15:54:07,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:54:07,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159974608] [2025-02-05 15:54:07,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:54:07,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:54:07,500 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-05 15:54:07,507 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-05 15:54:07,508 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:54:07,508 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:54:07,612 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-02-05 15:54:07,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:54:07,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159974608] [2025-02-05 15:54:07,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159974608] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:54:07,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 15:54:07,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-05 15:54:07,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364183772] [2025-02-05 15:54:07,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:54:07,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-05 15:54:07,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:54:07,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-05 15:54:07,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-05 15:54:07,616 INFO L87 Difference]: Start difference. First operand 76 states and 97 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-05 15:54:07,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:54:07,634 INFO L93 Difference]: Finished difference Result 114 states and 144 transitions. [2025-02-05 15:54:07,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-05 15:54:07,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2025-02-05 15:54:07,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:54:07,635 INFO L225 Difference]: With dead ends: 114 [2025-02-05 15:54:07,636 INFO L226 Difference]: Without dead ends: 67 [2025-02-05 15:54:07,637 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-05 15:54:07,637 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 15 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 15:54:07,638 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 148 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:54:07,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2025-02-05 15:54:07,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2025-02-05 15:54:07,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 51 states have (on average 1.3137254901960784) internal successors, (67), 57 states have internal predecessors, (67), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-05 15:54:07,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 85 transitions. [2025-02-05 15:54:07,649 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 85 transitions. Word has length 33 [2025-02-05 15:54:07,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:54:07,649 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 85 transitions. [2025-02-05 15:54:07,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-05 15:54:07,649 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2025-02-05 15:54:07,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-02-05 15:54:07,650 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:54:07,650 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:54:07,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-05 15:54:07,651 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:54:07,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:54:07,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1799013908, now seen corresponding path program 1 times [2025-02-05 15:54:07,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:54:07,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859556086] [2025-02-05 15:54:07,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:54:07,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:54:07,662 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-05 15:54:07,673 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-05 15:54:07,673 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:54:07,673 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:54:07,839 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-02-05 15:54:07,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:54:07,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859556086] [2025-02-05 15:54:07,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859556086] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:54:07,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 15:54:07,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-05 15:54:07,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177127890] [2025-02-05 15:54:07,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:54:07,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-05 15:54:07,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:54:07,840 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-05 15:54:07,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-05 15:54:07,840 INFO L87 Difference]: Start difference. First operand 67 states and 85 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-05 15:54:08,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:54:08,029 INFO L93 Difference]: Finished difference Result 230 states and 300 transitions. [2025-02-05 15:54:08,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-05 15:54:08,029 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 36 [2025-02-05 15:54:08,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:54:08,032 INFO L225 Difference]: With dead ends: 230 [2025-02-05 15:54:08,032 INFO L226 Difference]: Without dead ends: 171 [2025-02-05 15:54:08,032 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 [2025-02-05 15:54:08,033 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 180 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-05 15:54:08,033 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 358 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-05 15:54:08,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2025-02-05 15:54:08,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 165. [2025-02-05 15:54:08,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 123 states have (on average 1.3495934959349594) internal successors, (166), 137 states have internal predecessors, (166), 24 states have call successors, (24), 17 states have call predecessors, (24), 17 states have return successors, (25), 18 states have call predecessors, (25), 24 states have call successors, (25) [2025-02-05 15:54:08,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 215 transitions. [2025-02-05 15:54:08,050 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 215 transitions. Word has length 36 [2025-02-05 15:54:08,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:54:08,050 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 215 transitions. [2025-02-05 15:54:08,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-05 15:54:08,051 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 215 transitions. [2025-02-05 15:54:08,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-02-05 15:54:08,052 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:54:08,052 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:54:08,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-05 15:54:08,052 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:54:08,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:54:08,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1933639376, now seen corresponding path program 1 times [2025-02-05 15:54:08,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:54:08,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988700414] [2025-02-05 15:54:08,053 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:54:08,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:54:08,059 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-05 15:54:08,066 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-05 15:54:08,066 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:54:08,066 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:54:08,126 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-05 15:54:08,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:54:08,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988700414] [2025-02-05 15:54:08,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988700414] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:54:08,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 15:54:08,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-05 15:54:08,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697039340] [2025-02-05 15:54:08,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:54:08,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-05 15:54:08,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:54:08,127 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-05 15:54:08,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 15:54:08,127 INFO L87 Difference]: Start difference. First operand 165 states and 215 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-05 15:54:08,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:54:08,242 INFO L93 Difference]: Finished difference Result 285 states and 376 transitions. [2025-02-05 15:54:08,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-05 15:54:08,248 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 40 [2025-02-05 15:54:08,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:54:08,248 INFO L225 Difference]: With dead ends: 285 [2025-02-05 15:54:08,248 INFO L226 Difference]: Without dead ends: 0 [2025-02-05 15:54:08,249 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-02-05 15:54:08,250 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 52 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-05 15:54:08,250 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 197 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-05 15:54:08,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-05 15:54:08,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-05 15:54:08,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 15:54:08,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-05 15:54:08,251 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2025-02-05 15:54:08,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:54:08,251 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-05 15:54:08,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-05 15:54:08,251 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-05 15:54:08,251 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-05 15:54:08,259 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-05 15:54:08,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-05 15:54:08,261 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-02-05 15:54:08,262 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-05 15:54:08,716 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-05 15:54:08,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 03:54:08 BoogieIcfgContainer [2025-02-05 15:54:08,736 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-05 15:54:08,737 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-05 15:54:08,737 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-05 15:54:08,737 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-05 15:54:08,738 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:54:07" (3/4) ... [2025-02-05 15:54:08,740 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-05 15:54:08,747 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2025-02-05 15:54:08,747 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2025-02-05 15:54:08,747 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2025-02-05 15:54:08,747 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure timeShift [2025-02-05 15:54:08,747 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure cleanup [2025-02-05 15:54:08,747 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure waterRise [2025-02-05 15:54:08,747 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2025-02-05 15:54:08,758 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2025-02-05 15:54:08,758 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-02-05 15:54:08,758 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-02-05 15:54:08,759 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-05 15:54:08,759 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-05 15:54:08,877 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-05 15:54:08,877 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-05 15:54:08,877 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-05 15:54:08,877 INFO L158 Benchmark]: Toolchain (without parser) took 2668.61ms. Allocated memory is still 142.6MB. Free memory was 112.6MB in the beginning and 105.8MB in the end (delta: 6.8MB). Peak memory consumption was 72.6MB. Max. memory is 16.1GB. [2025-02-05 15:54:08,878 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 226.5MB. Free memory is still 148.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 15:54:08,878 INFO L158 Benchmark]: CACSL2BoogieTranslator took 563.43ms. Allocated memory is still 142.6MB. Free memory was 112.4MB in the beginning and 93.6MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-05 15:54:08,878 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.90ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 92.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 15:54:08,878 INFO L158 Benchmark]: Boogie Preprocessor took 66.80ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 90.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 15:54:08,878 INFO L158 Benchmark]: IcfgBuilder took 293.66ms. Allocated memory is still 142.6MB. Free memory was 90.5MB in the beginning and 73.2MB in the end (delta: 17.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-05 15:54:08,878 INFO L158 Benchmark]: TraceAbstraction took 1531.88ms. Allocated memory is still 142.6MB. Free memory was 72.6MB in the beginning and 45.7MB in the end (delta: 27.0MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2025-02-05 15:54:08,878 INFO L158 Benchmark]: Witness Printer took 140.04ms. Allocated memory is still 142.6MB. Free memory was 45.7MB in the beginning and 105.8MB in the end (delta: -60.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 15:54:08,879 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 226.5MB. Free memory is still 148.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 563.43ms. Allocated memory is still 142.6MB. Free memory was 112.4MB in the beginning and 93.6MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.90ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 92.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 66.80ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 90.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 293.66ms. Allocated memory is still 142.6MB. Free memory was 90.5MB in the beginning and 73.2MB in the end (delta: 17.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1531.88ms. Allocated memory is still 142.6MB. Free memory was 72.6MB in the beginning and 45.7MB in the end (delta: 27.0MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. * Witness Printer took 140.04ms. Allocated memory is still 142.6MB. Free memory was 45.7MB in the beginning and 105.8MB in the end (delta: -60.2MB). 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [87] - GenericResultAtLocation [Line: 139]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [139] - GenericResultAtLocation [Line: 505]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [505] - GenericResultAtLocation [Line: 600]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [600] - GenericResultAtLocation [Line: 609]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [609] - GenericResultAtLocation [Line: 709]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [709] - GenericResultAtLocation [Line: 777]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [777] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 605]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 253 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 247 mSDsluCounter, 805 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 467 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 118 IncrementalHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 338 mSDtfsCounter, 118 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=165occurred in iteration=3, InterpolantAutomatonStates: 17, 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, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 137 ConstructedInterpolants, 0 QuantifiedInterpolants, 217 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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: 622]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 721]: Location Invariant Derived location invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) RESULT: Ultimate proved your program to be correct! [2025-02-05 15:54:08,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE