./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2b0f126ee4d94a96683a291e8cdda3d32342b26980ee5a2243ede6664f8cbf9b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 07:52:38,626 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 07:52:38,702 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 07:52:38,706 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 07:52:38,708 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 07:52:38,728 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 07:52:38,729 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 07:52:38,730 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 07:52:38,731 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 07:52:38,734 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 07:52:38,734 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 07:52:38,734 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 07:52:38,735 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 07:52:38,735 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 07:52:38,735 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 07:52:38,735 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 07:52:38,735 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 07:52:38,736 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 07:52:38,736 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 07:52:38,736 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 07:52:38,736 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 07:52:38,738 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 07:52:38,739 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 07:52:38,739 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 07:52:38,739 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 07:52:38,739 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 07:52:38,739 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 07:52:38,739 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 07:52:38,739 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 07:52:38,740 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 07:52:38,740 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 07:52:38,740 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 07:52:38,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 07:52:38,740 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 07:52:38,740 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 07:52:38,740 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 07:52:38,740 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 07:52:38,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 07:52:38,741 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 07:52:38,741 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 07:52:38,741 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 07:52:38,742 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 07:52:38,742 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b0f126ee4d94a96683a291e8cdda3d32342b26980ee5a2243ede6664f8cbf9b [2024-11-16 07:52:38,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 07:52:38,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 07:52:38,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 07:52:38,956 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 07:52:38,956 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 07:52:38,957 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c [2024-11-16 07:52:40,376 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 07:52:40,564 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 07:52:40,565 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c [2024-11-16 07:52:40,575 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a21f62510/72d54887e03440afbd10847a493f2fff/FLAGb2264a617 [2024-11-16 07:52:40,595 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a21f62510/72d54887e03440afbd10847a493f2fff [2024-11-16 07:52:40,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 07:52:40,598 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 07:52:40,599 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 07:52:40,600 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 07:52:40,604 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 07:52:40,604 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:52:40" (1/1) ... [2024-11-16 07:52:40,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d9cffad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:52:40, skipping insertion in model container [2024-11-16 07:52:40,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:52:40" (1/1) ... [2024-11-16 07:52:40,631 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 07:52:40,784 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c[1605,1618] [2024-11-16 07:52:40,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 07:52:40,918 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 07:52:40,925 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-11-16 07:52:40,927 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [58] [2024-11-16 07:52:40,927 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [133] [2024-11-16 07:52:40,927 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [360] [2024-11-16 07:52:40,928 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [461] [2024-11-16 07:52:40,928 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [496] [2024-11-16 07:52:40,928 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [586] [2024-11-16 07:52:40,928 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [625] [2024-11-16 07:52:40,935 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c[1605,1618] [2024-11-16 07:52:40,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 07:52:40,992 INFO L204 MainTranslator]: Completed translation [2024-11-16 07:52:40,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:52:40 WrapperNode [2024-11-16 07:52:40,992 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 07:52:40,993 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 07:52:40,993 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 07:52:40,993 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 07:52:40,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:52:40" (1/1) ... [2024-11-16 07:52:41,007 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:52:40" (1/1) ... [2024-11-16 07:52:41,021 INFO L138 Inliner]: procedures = 57, calls = 103, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 184 [2024-11-16 07:52:41,022 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 07:52:41,022 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 07:52:41,022 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 07:52:41,022 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 07:52:41,030 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:52:40" (1/1) ... [2024-11-16 07:52:41,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:52:40" (1/1) ... [2024-11-16 07:52:41,031 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:52:40" (1/1) ... [2024-11-16 07:52:41,041 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]. [2024-11-16 07:52:41,041 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:52:40" (1/1) ... [2024-11-16 07:52:41,041 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:52:40" (1/1) ... [2024-11-16 07:52:41,044 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:52:40" (1/1) ... [2024-11-16 07:52:41,044 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:52:40" (1/1) ... [2024-11-16 07:52:41,045 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:52:40" (1/1) ... [2024-11-16 07:52:41,046 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:52:40" (1/1) ... [2024-11-16 07:52:41,047 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 07:52:41,048 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 07:52:41,048 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 07:52:41,048 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 07:52:41,049 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:52:40" (1/1) ... [2024-11-16 07:52:41,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 07:52:41,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:52:41,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 07:52:41,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 07:52:41,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 07:52:41,122 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-16 07:52:41,122 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-16 07:52:41,122 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-16 07:52:41,122 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-16 07:52:41,123 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-16 07:52:41,123 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-16 07:52:41,123 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-16 07:52:41,123 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-16 07:52:41,123 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-16 07:52:41,123 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-16 07:52:41,123 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2024-11-16 07:52:41,123 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2024-11-16 07:52:41,123 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2024-11-16 07:52:41,123 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2024-11-16 07:52:41,123 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-16 07:52:41,123 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-16 07:52:41,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 07:52:41,124 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-16 07:52:41,124 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-16 07:52:41,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 07:52:41,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 07:52:41,205 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 07:52:41,207 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 07:52:41,276 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L542: #res := ~retValue_acc~6; [2024-11-16 07:52:41,340 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L279-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-16 07:52:41,400 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L458-1: main_#res#1 := main_~retValue_acc~3#1; [2024-11-16 07:52:41,400 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L493-1: valid_product_#res#1 := valid_product_~retValue_acc~5#1; [2024-11-16 07:52:41,428 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L334-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~2#1; [2024-11-16 07:52:41,428 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L583-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~8#1; [2024-11-16 07:52:41,432 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L270: #res := ~retValue_acc~0; [2024-11-16 07:52:41,447 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-16 07:52:41,447 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 07:52:41,463 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 07:52:41,463 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 07:52:41,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:52:41 BoogieIcfgContainer [2024-11-16 07:52:41,464 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 07:52:41,465 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 07:52:41,466 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 07:52:41,468 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 07:52:41,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:52:40" (1/3) ... [2024-11-16 07:52:41,469 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6121791d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:52:41, skipping insertion in model container [2024-11-16 07:52:41,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:52:40" (2/3) ... [2024-11-16 07:52:41,470 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6121791d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:52:41, skipping insertion in model container [2024-11-16 07:52:41,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:52:41" (3/3) ... [2024-11-16 07:52:41,471 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product32.cil.c [2024-11-16 07:52:41,486 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 07:52:41,486 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 07:52:41,532 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 07:52:41,537 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;@236064fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 07:52:41,537 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 07:52:41,540 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 77 states have (on average 1.3376623376623376) internal successors, (103), 86 states have internal predecessors, (103), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-16 07:52:41,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-16 07:52:41,547 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:52:41,547 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:52:41,547 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:52:41,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:52:41,552 INFO L85 PathProgramCache]: Analyzing trace with hash 938050719, now seen corresponding path program 1 times [2024-11-16 07:52:41,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:52:41,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350588269] [2024-11-16 07:52:41,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:52:41,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:52:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:52:41,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 07:52:41,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:52:41,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 07:52:41,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:52:41,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350588269] [2024-11-16 07:52:41,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350588269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:52:41,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:52:41,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 07:52:41,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320283341] [2024-11-16 07:52:41,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:52:41,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 07:52:41,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:52:41,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 07:52:41,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 07:52:41,763 INFO L87 Difference]: Start difference. First operand has 104 states, 77 states have (on average 1.3376623376623376) internal successors, (103), 86 states have internal predecessors, (103), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 07:52:41,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:52:41,796 INFO L93 Difference]: Finished difference Result 198 states and 263 transitions. [2024-11-16 07:52:41,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 07:52:41,798 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2024-11-16 07:52:41,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:52:41,804 INFO L225 Difference]: With dead ends: 198 [2024-11-16 07:52:41,805 INFO L226 Difference]: Without dead ends: 93 [2024-11-16 07:52:41,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 07:52:41,811 INFO L432 NwaCegarLoop]: 128 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, 128 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 [2024-11-16 07:52:41,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:52:41,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-16 07:52:41,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-16 07:52:41,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 68 states have (on average 1.2794117647058822) internal successors, (87), 76 states have internal predecessors, (87), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-16 07:52:41,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 118 transitions. [2024-11-16 07:52:41,854 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 118 transitions. Word has length 27 [2024-11-16 07:52:41,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:52:41,854 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 118 transitions. [2024-11-16 07:52:41,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 07:52:41,854 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 118 transitions. [2024-11-16 07:52:41,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-16 07:52:41,862 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:52:41,862 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:52:41,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 07:52:41,862 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:52:41,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:52:41,863 INFO L85 PathProgramCache]: Analyzing trace with hash 2077848710, now seen corresponding path program 1 times [2024-11-16 07:52:41,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:52:41,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961212701] [2024-11-16 07:52:41,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:52:41,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:52:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:52:41,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-16 07:52:41,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:52:41,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 07:52:41,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:52:41,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961212701] [2024-11-16 07:52:41,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961212701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:52:41,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:52:41,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 07:52:41,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676135397] [2024-11-16 07:52:41,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:52:41,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 07:52:41,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:52:41,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 07:52:41,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 07:52:41,985 INFO L87 Difference]: Start difference. First operand 93 states and 118 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 07:52:41,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:52:41,997 INFO L93 Difference]: Finished difference Result 143 states and 181 transitions. [2024-11-16 07:52:41,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 07:52:41,998 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2024-11-16 07:52:41,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:52:41,998 INFO L225 Difference]: With dead ends: 143 [2024-11-16 07:52:41,998 INFO L226 Difference]: Without dead ends: 82 [2024-11-16 07:52:41,999 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 07:52:42,000 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 16 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 183 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 [2024-11-16 07:52:42,000 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 183 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:52:42,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-16 07:52:42,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-11-16 07:52:42,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 60 states have (on average 1.3) internal successors, (78), 68 states have internal predecessors, (78), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-16 07:52:42,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 104 transitions. [2024-11-16 07:52:42,007 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 104 transitions. Word has length 30 [2024-11-16 07:52:42,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:52:42,007 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 104 transitions. [2024-11-16 07:52:42,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 07:52:42,008 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 104 transitions. [2024-11-16 07:52:42,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-16 07:52:42,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:52:42,009 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:52:42,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 07:52:42,009 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:52:42,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:52:42,010 INFO L85 PathProgramCache]: Analyzing trace with hash -585484377, now seen corresponding path program 1 times [2024-11-16 07:52:42,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:52:42,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041984090] [2024-11-16 07:52:42,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:52:42,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:52:42,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:52:42,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 07:52:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:52:42,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 07:52:42,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:52:42,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041984090] [2024-11-16 07:52:42,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041984090] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:52:42,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:52:42,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 07:52:42,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135803982] [2024-11-16 07:52:42,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:52:42,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 07:52:42,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:52:42,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 07:52:42,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 07:52:42,070 INFO L87 Difference]: Start difference. First operand 82 states and 104 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 07:52:42,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:52:42,093 INFO L93 Difference]: Finished difference Result 228 states and 295 transitions. [2024-11-16 07:52:42,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 07:52:42,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 33 [2024-11-16 07:52:42,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:52:42,094 INFO L225 Difference]: With dead ends: 228 [2024-11-16 07:52:42,095 INFO L226 Difference]: Without dead ends: 154 [2024-11-16 07:52:42,095 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 07:52:42,096 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 80 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 07:52:42,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 211 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:52:42,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-16 07:52:42,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 150. [2024-11-16 07:52:42,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 107 states have (on average 1.3271028037383177) internal successors, (142), 122 states have internal predecessors, (142), 26 states have call successors, (26), 16 states have call predecessors, (26), 16 states have return successors, (26), 17 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-16 07:52:42,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 194 transitions. [2024-11-16 07:52:42,114 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 194 transitions. Word has length 33 [2024-11-16 07:52:42,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:52:42,115 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 194 transitions. [2024-11-16 07:52:42,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 07:52:42,115 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 194 transitions. [2024-11-16 07:52:42,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-16 07:52:42,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:52:42,116 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:52:42,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 07:52:42,117 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:52:42,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:52:42,117 INFO L85 PathProgramCache]: Analyzing trace with hash -551120907, now seen corresponding path program 1 times [2024-11-16 07:52:42,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:52:42,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986442904] [2024-11-16 07:52:42,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:52:42,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:52:42,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:52:42,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-16 07:52:42,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:52:42,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 07:52:42,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:52:42,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986442904] [2024-11-16 07:52:42,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986442904] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:52:42,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:52:42,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 07:52:42,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851420417] [2024-11-16 07:52:42,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:52:42,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 07:52:42,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:52:42,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 07:52:42,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 07:52:42,216 INFO L87 Difference]: Start difference. First operand 150 states and 194 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 07:52:42,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:52:42,281 INFO L93 Difference]: Finished difference Result 241 states and 314 transitions. [2024-11-16 07:52:42,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 07:52:42,281 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2024-11-16 07:52:42,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:52:42,282 INFO L225 Difference]: With dead ends: 241 [2024-11-16 07:52:42,282 INFO L226 Difference]: Without dead ends: 0 [2024-11-16 07:52:42,283 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:52:42,284 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 36 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 07:52:42,284 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 166 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:52:42,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-16 07:52:42,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-16 07:52:42,284 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) [2024-11-16 07:52:42,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-16 07:52:42,285 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2024-11-16 07:52:42,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:52:42,285 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-16 07:52:42,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 07:52:42,285 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-16 07:52:42,286 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-16 07:52:42,288 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 07:52:42,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 07:52:42,290 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-16 07:52:42,291 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-16 07:52:42,541 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 07:52:42,568 WARN L156 FloydHoareUtils]: Requires clause for timeShift contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= |old(~pumpRunning~0)| 0)) Eliminated clause: (= ~pumpRunning~0 0) [2024-11-16 07:52:42,570 WARN L156 FloydHoareUtils]: Requires clause for processEnvironment__wrappee__methaneQuery contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= |old(~pumpRunning~0)| 0)) Eliminated clause: (= ~pumpRunning~0 0) [2024-11-16 07:52:42,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 07:52:42 BoogieIcfgContainer [2024-11-16 07:52:42,571 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 07:52:42,572 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 07:52:42,572 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 07:52:42,572 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 07:52:42,572 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:52:41" (3/4) ... [2024-11-16 07:52:42,574 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 07:52:42,577 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-16 07:52:42,577 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-16 07:52:42,577 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-16 07:52:42,577 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-11-16 07:52:42,577 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-16 07:52:42,577 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-16 07:52:42,578 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-16 07:52:42,578 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2024-11-16 07:52:42,578 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2024-11-16 07:52:42,582 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2024-11-16 07:52:42,583 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-16 07:52:42,583 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-16 07:52:42,583 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 07:52:42,583 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 07:52:42,673 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 07:52:42,673 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 07:52:42,673 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 07:52:42,674 INFO L158 Benchmark]: Toolchain (without parser) took 2075.66ms. Allocated memory is still 174.1MB. Free memory was 104.7MB in the beginning and 111.0MB in the end (delta: -6.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 07:52:42,674 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 07:52:42,675 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.17ms. Allocated memory is still 174.1MB. Free memory was 104.7MB in the beginning and 83.0MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-16 07:52:42,676 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.55ms. Allocated memory is still 174.1MB. Free memory was 83.0MB in the beginning and 80.6MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 07:52:42,676 INFO L158 Benchmark]: Boogie Preprocessor took 25.38ms. Allocated memory is still 174.1MB. Free memory was 80.6MB in the beginning and 78.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 07:52:42,677 INFO L158 Benchmark]: IcfgBuilder took 415.78ms. Allocated memory is still 174.1MB. Free memory was 78.5MB in the beginning and 131.0MB in the end (delta: -52.5MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2024-11-16 07:52:42,677 INFO L158 Benchmark]: TraceAbstraction took 1105.96ms. Allocated memory is still 174.1MB. Free memory was 129.8MB in the beginning and 118.4MB in the end (delta: 11.4MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2024-11-16 07:52:42,677 INFO L158 Benchmark]: Witness Printer took 101.64ms. Allocated memory is still 174.1MB. Free memory was 118.4MB in the beginning and 111.0MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-16 07:52:42,678 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.17ms. Allocated memory is still 174.1MB. Free memory was 104.7MB in the beginning and 83.0MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.55ms. Allocated memory is still 174.1MB. Free memory was 83.0MB in the beginning and 80.6MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.38ms. Allocated memory is still 174.1MB. Free memory was 80.6MB in the beginning and 78.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 415.78ms. Allocated memory is still 174.1MB. Free memory was 78.5MB in the beginning and 131.0MB in the end (delta: -52.5MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1105.96ms. Allocated memory is still 174.1MB. Free memory was 129.8MB in the beginning and 118.4MB in the end (delta: 11.4MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * Witness Printer took 101.64ms. Allocated memory is still 174.1MB. Free memory was 118.4MB in the beginning and 111.0MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [58] - GenericResultAtLocation [Line: 133]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [133] - GenericResultAtLocation [Line: 360]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [360] - GenericResultAtLocation [Line: 461]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [461] - GenericResultAtLocation [Line: 496]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [496] - GenericResultAtLocation [Line: 586]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [586] - GenericResultAtLocation [Line: 625]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [625] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 104 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 136 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 132 mSDsluCounter, 688 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 281 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 407 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=150occurred in iteration=3, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 122 ConstructedInterpolants, 0 QuantifiedInterpolants, 228 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 75]: Location Invariant Derived location invariant: null - InvariantResult [Line: 372]: Location Invariant Derived location invariant: null - ProcedureContractResult [Line: 254]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: 0 Ensures: (0 && ((((((systemActive == \old(systemActive)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (head == \old(head)))) - ProcedureContractResult [Line: 170]: Procedure Contract for processEnvironment__wrappee__base Derived contract for procedure processEnvironment__wrappee__base. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (head == \old(head)))) - ProcedureContractResult [Line: 524]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (waterLevel == \old(waterLevel))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (head == \old(head)))) - ProcedureContractResult [Line: 536]: Procedure Contract for isMethaneLevelCritical Derived contract for procedure isMethaneLevelCritical. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (head == \old(head)))) - ProcedureContractResult [Line: 362]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((systemActive == \old(systemActive)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (head == \old(head)))) - ProcedureContractResult [Line: 146]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && ((((systemActive == \old(systemActive)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (head == \old(head)))) - ProcedureContractResult [Line: 512]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (head == \old(head)))) - ProcedureContractResult [Line: 178]: Procedure Contract for processEnvironment__wrappee__methaneQuery Derived contract for procedure processEnvironment__wrappee__methaneQuery. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && ((((((systemActive == \old(systemActive)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (head == \old(head)))) - ProcedureContractResult [Line: 262]: Procedure Contract for isMethaneAlarm Derived contract for procedure isMethaneAlarm. Requires: 0 Ensures: (0 && (((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (head == \old(head)))) RESULT: Ultimate proved your program to be correct! [2024-11-16 07:52:42,704 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE