./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product30.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_product30.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 9808c311cb77db500c7a82ff25628e80c7518c8fd36dd31cb0dd04b17c42877b --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 15:54:07,939 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 15:54:08,022 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-05 15:54:08,030 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 15:54:08,031 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 15:54:08,057 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 15:54:08,059 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 15:54:08,059 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 15:54:08,059 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 15:54:08,060 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 15:54:08,060 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 15:54:08,061 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 15:54:08,061 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 15:54:08,061 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 15:54:08,062 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 15:54:08,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 15:54:08,062 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 15:54:08,062 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 15:54:08,063 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-05 15:54:08,063 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 15:54:08,063 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 15:54:08,063 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 15:54:08,063 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 15:54:08,063 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 15:54:08,063 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 15:54:08,063 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 15:54:08,063 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 15:54:08,063 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 15:54:08,064 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 15:54:08,064 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 15:54:08,064 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 15:54:08,064 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 15:54:08,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 15:54:08,064 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 15:54:08,065 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 15:54:08,065 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 15:54:08,065 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 15:54:08,065 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-05 15:54:08,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-05 15:54:08,065 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 15:54:08,065 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 15:54:08,065 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 15:54:08,066 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 15:54:08,066 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 -> 9808c311cb77db500c7a82ff25628e80c7518c8fd36dd31cb0dd04b17c42877b [2025-02-05 15:54:08,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 15:54:08,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 15:54:08,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 15:54:08,383 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 15:54:08,383 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 15:54:08,385 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product30.cil.c [2025-02-05 15:54:09,762 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/67fe60d79/6fc909d48c7c4ae1bbdc100f29b5323a/FLAG876dbee9e [2025-02-05 15:54:10,168 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 15:54:10,168 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product30.cil.c [2025-02-05 15:54:10,186 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/67fe60d79/6fc909d48c7c4ae1bbdc100f29b5323a/FLAG876dbee9e [2025-02-05 15:54:10,210 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/67fe60d79/6fc909d48c7c4ae1bbdc100f29b5323a [2025-02-05 15:54:10,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 15:54:10,215 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 15:54:10,217 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 15:54:10,217 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 15:54:10,221 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 15:54:10,223 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 03:54:10" (1/1) ... [2025-02-05 15:54:10,225 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29a37f76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:10, skipping insertion in model container [2025-02-05 15:54:10,225 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 03:54:10" (1/1) ... [2025-02-05 15:54:10,265 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 15:54:10,518 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_product30.cil.c[16407,16420] [2025-02-05 15:54:10,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 15:54:10,548 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 15:54:10,556 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2025-02-05 15:54:10,558 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [267] [2025-02-05 15:54:10,558 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [337] [2025-02-05 15:54:10,558 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [388] [2025-02-05 15:54:10,558 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [426] [2025-02-05 15:54:10,559 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [792] [2025-02-05 15:54:10,559 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [801] [2025-02-05 15:54:10,559 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [898] [2025-02-05 15:54:10,619 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_product30.cil.c[16407,16420] [2025-02-05 15:54:10,628 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 15:54:10,649 INFO L204 MainTranslator]: Completed translation [2025-02-05 15:54:10,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:10 WrapperNode [2025-02-05 15:54:10,650 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 15:54:10,651 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 15:54:10,653 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 15:54:10,653 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 15:54:10,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:10" (1/1) ... [2025-02-05 15:54:10,673 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:10" (1/1) ... [2025-02-05 15:54:10,698 INFO L138 Inliner]: procedures = 57, calls = 103, calls flagged for inlining = 23, calls inlined = 19, statements flattened = 195 [2025-02-05 15:54:10,698 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 15:54:10,699 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 15:54:10,699 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 15:54:10,699 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 15:54:10,707 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:10" (1/1) ... [2025-02-05 15:54:10,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:10" (1/1) ... [2025-02-05 15:54:10,711 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:10" (1/1) ... [2025-02-05 15:54:10,728 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 15:54:10,729 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:10" (1/1) ... [2025-02-05 15:54:10,729 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:10" (1/1) ... [2025-02-05 15:54:10,733 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:10" (1/1) ... [2025-02-05 15:54:10,734 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:10" (1/1) ... [2025-02-05 15:54:10,735 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:10" (1/1) ... [2025-02-05 15:54:10,736 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:10" (1/1) ... [2025-02-05 15:54:10,737 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 15:54:10,738 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 15:54:10,738 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 15:54:10,738 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 15:54:10,739 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:10" (1/1) ... [2025-02-05 15:54:10,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 15:54:10,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 15:54:10,767 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 15:54:10,772 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 15:54:10,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 15:54:10,794 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2025-02-05 15:54:10,794 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2025-02-05 15:54:10,794 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2025-02-05 15:54:10,794 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2025-02-05 15:54:10,794 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2025-02-05 15:54:10,795 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2025-02-05 15:54:10,795 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2025-02-05 15:54:10,795 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2025-02-05 15:54:10,795 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2025-02-05 15:54:10,795 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2025-02-05 15:54:10,795 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2025-02-05 15:54:10,795 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2025-02-05 15:54:10,796 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2025-02-05 15:54:10,796 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2025-02-05 15:54:10,796 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2025-02-05 15:54:10,796 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2025-02-05 15:54:10,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-05 15:54:10,796 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2025-02-05 15:54:10,796 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2025-02-05 15:54:10,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 15:54:10,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 15:54:10,853 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 15:54:10,855 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 15:54:10,927 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint cleanupFINAL: assume true; [2025-02-05 15:54:10,993 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L975-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; [2025-02-05 15:54:11,077 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L895-1: main_#res#1 := main_~retValue_acc~8#1; [2025-02-05 15:54:11,078 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L423-1: valid_product_#res#1 := valid_product_~retValue_acc~4#1; [2025-02-05 15:54:11,120 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L256-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~2#1; [2025-02-05 15:54:11,121 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L984-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~11#1; [2025-02-05 15:54:11,123 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L201: #res := ~retValue_acc~1; [2025-02-05 15:54:11,132 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: #res#1 := ~retValue_acc~0#1; [2025-02-05 15:54:11,132 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L943-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2025-02-05 15:54:11,147 INFO L? ?]: Removed 40 outVars from TransFormulas that were not future-live. [2025-02-05 15:54:11,147 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 15:54:11,158 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 15:54:11,158 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 15:54:11,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:54:11 BoogieIcfgContainer [2025-02-05 15:54:11,159 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 15:54:11,161 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 15:54:11,162 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 15:54:11,166 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 15:54:11,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 03:54:10" (1/3) ... [2025-02-05 15:54:11,167 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38ef07a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 03:54:11, skipping insertion in model container [2025-02-05 15:54:11,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 03:54:10" (2/3) ... [2025-02-05 15:54:11,167 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38ef07a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 03:54:11, skipping insertion in model container [2025-02-05 15:54:11,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:54:11" (3/3) ... [2025-02-05 15:54:11,169 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product30.cil.c [2025-02-05 15:54:11,183 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 15:54:11,185 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec5_product30.cil.c that has 10 procedures, 96 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-02-05 15:54:11,233 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 15:54:11,248 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;@3aa71df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 15:54:11,248 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-05 15:54:11,255 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 69 states have (on average 1.3333333333333333) internal successors, (92), 77 states have internal predecessors, (92), 15 states have call successors, (15), 9 states have call predecessors, (15), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-05 15:54:11,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-02-05 15:54:11,265 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:54:11,265 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 15:54:11,266 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:54:11,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:54:11,273 INFO L85 PathProgramCache]: Analyzing trace with hash 740461770, now seen corresponding path program 1 times [2025-02-05 15:54:11,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:54:11,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677280002] [2025-02-05 15:54:11,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:54:11,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:54:11,355 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-05 15:54:11,369 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-05 15:54:11,369 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:54:11,369 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:54:11,454 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 15:54:11,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:54:11,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677280002] [2025-02-05 15:54:11,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677280002] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:54:11,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 15:54:11,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-05 15:54:11,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003006376] [2025-02-05 15:54:11,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:54:11,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-05 15:54:11,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:54:11,479 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-05 15:54:11,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-05 15:54:11,482 INFO L87 Difference]: Start difference. First operand has 95 states, 69 states have (on average 1.3333333333333333) internal successors, (92), 77 states have internal predecessors, (92), 15 states have call successors, (15), 9 states have call predecessors, (15), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) 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 15:54:11,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:54:11,508 INFO L93 Difference]: Finished difference Result 173 states and 228 transitions. [2025-02-05 15:54:11,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-05 15:54:11,510 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 15:54:11,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:54:11,520 INFO L225 Difference]: With dead ends: 173 [2025-02-05 15:54:11,520 INFO L226 Difference]: Without dead ends: 87 [2025-02-05 15:54:11,525 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 15:54:11,529 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 15:54:11,532 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:54:11,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2025-02-05 15:54:11,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2025-02-05 15:54:11,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 63 states have (on average 1.2857142857142858) internal successors, (81), 70 states have internal predecessors, (81), 15 states have call successors, (15), 9 states have call predecessors, (15), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-05 15:54:11,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 110 transitions. [2025-02-05 15:54:11,573 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 110 transitions. Word has length 32 [2025-02-05 15:54:11,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:54:11,574 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 110 transitions. [2025-02-05 15:54:11,574 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 15:54:11,575 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 110 transitions. [2025-02-05 15:54:11,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-02-05 15:54:11,577 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:54:11,577 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 15:54:11,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-05 15:54:11,578 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:54:11,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:54:11,579 INFO L85 PathProgramCache]: Analyzing trace with hash -749811051, now seen corresponding path program 1 times [2025-02-05 15:54:11,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:54:11,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675024208] [2025-02-05 15:54:11,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:54:11,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:54:11,598 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-05 15:54:11,611 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-05 15:54:11,612 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:54:11,612 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:54:11,712 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 15:54:11,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:54:11,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675024208] [2025-02-05 15:54:11,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675024208] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:54:11,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 15:54:11,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-05 15:54:11,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163458750] [2025-02-05 15:54:11,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:54:11,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-05 15:54:11,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:54:11,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-05 15:54:11,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-05 15:54:11,715 INFO L87 Difference]: Start difference. First operand 87 states and 110 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 15:54:11,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:54:11,739 INFO L93 Difference]: Finished difference Result 139 states and 175 transitions. [2025-02-05 15:54:11,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-05 15:54:11,741 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 15:54:11,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:54:11,742 INFO L225 Difference]: With dead ends: 139 [2025-02-05 15:54:11,742 INFO L226 Difference]: Without dead ends: 78 [2025-02-05 15:54:11,743 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 15:54:11,744 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 12 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 178 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 15:54:11,744 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 178 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:54:11,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2025-02-05 15:54:11,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2025-02-05 15:54:11,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 57 states have (on average 1.2982456140350878) internal successors, (74), 64 states have internal predecessors, (74), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-05 15:54:11,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 98 transitions. [2025-02-05 15:54:11,758 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 98 transitions. Word has length 33 [2025-02-05 15:54:11,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:54:11,759 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 98 transitions. [2025-02-05 15:54:11,759 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 15:54:11,759 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 98 transitions. [2025-02-05 15:54:11,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-02-05 15:54:11,760 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:54:11,760 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] [2025-02-05 15:54:11,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-05 15:54:11,761 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:54:11,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:54:11,761 INFO L85 PathProgramCache]: Analyzing trace with hash 539833820, now seen corresponding path program 1 times [2025-02-05 15:54:11,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:54:11,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044953435] [2025-02-05 15:54:11,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:54:11,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:54:11,775 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-05 15:54:11,795 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-05 15:54:11,799 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:54:11,800 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:54:11,949 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 15:54:11,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:54:11,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044953435] [2025-02-05 15:54:11,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044953435] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:54:11,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 15:54:11,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-05 15:54:11,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021133868] [2025-02-05 15:54:11,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:54:11,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 15:54:11,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:54:11,954 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 15:54:11,955 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 15:54:11,955 INFO L87 Difference]: Start difference. First operand 78 states and 98 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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 15:54:12,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:54:12,004 INFO L93 Difference]: Finished difference Result 148 states and 189 transitions. [2025-02-05 15:54:12,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 15:54:12,005 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), 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 37 [2025-02-05 15:54:12,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:54:12,006 INFO L225 Difference]: With dead ends: 148 [2025-02-05 15:54:12,006 INFO L226 Difference]: Without dead ends: 78 [2025-02-05 15:54:12,007 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 [2025-02-05 15:54:12,007 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 88 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 15:54:12,007 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 280 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 15:54:12,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2025-02-05 15:54:12,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2025-02-05 15:54:12,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 57 states have (on average 1.280701754385965) internal successors, (73), 64 states have internal predecessors, (73), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-05 15:54:12,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 97 transitions. [2025-02-05 15:54:12,021 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 97 transitions. Word has length 37 [2025-02-05 15:54:12,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:54:12,022 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 97 transitions. [2025-02-05 15:54:12,022 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), 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 15:54:12,022 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 97 transitions. [2025-02-05 15:54:12,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-02-05 15:54:12,023 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 15:54:12,023 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 15:54:12,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-05 15:54:12,024 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 15:54:12,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 15:54:12,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1755695803, now seen corresponding path program 1 times [2025-02-05 15:54:12,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 15:54:12,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756075908] [2025-02-05 15:54:12,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 15:54:12,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 15:54:12,037 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-05 15:54:12,051 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-05 15:54:12,057 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 15:54:12,057 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 15:54:12,202 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 15:54:12,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 15:54:12,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756075908] [2025-02-05 15:54:12,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756075908] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 15:54:12,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 15:54:12,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-05 15:54:12,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851035669] [2025-02-05 15:54:12,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 15:54:12,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-05 15:54:12,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 15:54:12,203 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-05 15:54:12,204 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-02-05 15:54:12,204 INFO L87 Difference]: Start difference. First operand 78 states and 97 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-05 15:54:12,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 15:54:12,400 INFO L93 Difference]: Finished difference Result 124 states and 157 transitions. [2025-02-05 15:54:12,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-05 15:54:12,402 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 47 [2025-02-05 15:54:12,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 15:54:12,402 INFO L225 Difference]: With dead ends: 124 [2025-02-05 15:54:12,402 INFO L226 Difference]: Without dead ends: 0 [2025-02-05 15:54:12,403 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2025-02-05 15:54:12,404 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 67 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-05 15:54:12,404 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 172 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-05 15:54:12,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-05 15:54:12,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-05 15:54:12,405 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 15:54:12,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-05 15:54:12,405 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 47 [2025-02-05 15:54:12,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 15:54:12,405 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-05 15:54:12,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-05 15:54:12,405 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-05 15:54:12,405 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-05 15:54:12,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-05 15:54:12,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-05 15:54:12,414 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-02-05 15:54:12,416 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-05 15:54:12,752 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-05 15:54:12,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 03:54:12 BoogieIcfgContainer [2025-02-05 15:54:12,769 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-05 15:54:12,770 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-05 15:54:12,770 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-05 15:54:12,771 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-05 15:54:12,771 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 03:54:11" (3/4) ... [2025-02-05 15:54:12,773 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-05 15:54:12,778 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2025-02-05 15:54:12,778 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2025-02-05 15:54:12,778 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2025-02-05 15:54:12,778 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure cleanup [2025-02-05 15:54:12,779 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure timeShift [2025-02-05 15:54:12,779 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure waterRise [2025-02-05 15:54:12,779 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2025-02-05 15:54:12,779 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2025-02-05 15:54:12,779 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2025-02-05 15:54:12,786 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2025-02-05 15:54:12,786 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-02-05 15:54:12,786 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-02-05 15:54:12,786 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-05 15:54:12,787 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-05 15:54:12,899 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-05 15:54:12,899 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-05 15:54:12,900 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-05 15:54:12,902 INFO L158 Benchmark]: Toolchain (without parser) took 2685.36ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 106.4MB in the end (delta: -1.2MB). Peak memory consumption was 72.7MB. Max. memory is 16.1GB. [2025-02-05 15:54:12,902 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 201.3MB. Free memory is still 128.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 15:54:12,903 INFO L158 Benchmark]: CACSL2BoogieTranslator took 434.20ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 86.7MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-05 15:54:12,903 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.01ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 84.0MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 15:54:12,904 INFO L158 Benchmark]: Boogie Preprocessor took 38.11ms. Allocated memory is still 142.6MB. Free memory was 84.0MB in the beginning and 83.0MB in the end (delta: 936.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 15:54:12,904 INFO L158 Benchmark]: IcfgBuilder took 421.25ms. Allocated memory is still 142.6MB. Free memory was 83.0MB in the beginning and 63.4MB in the end (delta: 19.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-05 15:54:12,905 INFO L158 Benchmark]: TraceAbstraction took 1608.11ms. Allocated memory is still 142.6MB. Free memory was 63.4MB in the beginning and 37.9MB in the end (delta: 25.5MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2025-02-05 15:54:12,905 INFO L158 Benchmark]: Witness Printer took 129.38ms. Allocated memory is still 142.6MB. Free memory was 37.9MB in the beginning and 106.4MB in the end (delta: -68.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 15:54:12,906 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 201.3MB. Free memory is still 128.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 434.20ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 86.7MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.01ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 84.0MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.11ms. Allocated memory is still 142.6MB. Free memory was 84.0MB in the beginning and 83.0MB in the end (delta: 936.6kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 421.25ms. Allocated memory is still 142.6MB. Free memory was 83.0MB in the beginning and 63.4MB in the end (delta: 19.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1608.11ms. Allocated memory is still 142.6MB. Free memory was 63.4MB in the beginning and 37.9MB in the end (delta: 25.5MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * Witness Printer took 129.38ms. Allocated memory is still 142.6MB. Free memory was 37.9MB in the beginning and 106.4MB in the end (delta: -68.4MB). 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,"MinePump.i","") [49] - GenericResultAtLocation [Line: 267]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [267] - GenericResultAtLocation [Line: 337]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [337] - GenericResultAtLocation [Line: 388]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [388] - GenericResultAtLocation [Line: 426]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [426] - GenericResultAtLocation [Line: 792]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [792] - GenericResultAtLocation [Line: 801]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [801] - GenericResultAtLocation [Line: 898]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [898] * 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: 797]: 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, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 172 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 167 mSDsluCounter, 745 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 398 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 106 IncrementalHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 347 mSDtfsCounter, 106 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=0, 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 149 NumberOfCodeBlocks, 149 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 145 ConstructedInterpolants, 0 QuantifiedInterpolants, 211 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: 281]: Location Invariant Derived location invariant: (((pumpRunning == 0) && (splverifierCounter == 0)) && (0 != systemActive)) - InvariantResult [Line: 813]: Location Invariant Derived location invariant: 0 RESULT: Ultimate proved your program to be correct! [2025-02-05 15:54:12,931 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE