./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 e25743107029d12d34dddb50b6115a3bfc10c36f90a80b04d3daa9d63cbcdce5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 02:57:16,899 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 02:57:16,952 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 02:57:16,955 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 02:57:16,955 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 02:57:16,969 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 02:57:16,969 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 02:57:16,969 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 02:57:16,970 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 02:57:16,970 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 02:57:16,970 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 02:57:16,970 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 02:57:16,971 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 02:57:16,971 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 02:57:16,971 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 02:57:16,971 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 02:57:16,972 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 02:57:16,973 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 02:57:16,973 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 02:57:16,974 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 02:57:16,974 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 02:57:16,974 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 02:57:16,975 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 02:57:16,975 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 02:57:16,975 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 02:57:16,975 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 02:57:16,976 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 02:57:16,976 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 02:57:16,976 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 02:57:16,976 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 02:57:16,976 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 02:57:16,977 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 02:57:16,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 02:57:16,977 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 02:57:16,977 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 02:57:16,978 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 02:57:16,978 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 02:57:16,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 02:57:16,978 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 02:57:16,978 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 02:57:16,979 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 02:57:16,979 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 02:57:16,979 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e25743107029d12d34dddb50b6115a3bfc10c36f90a80b04d3daa9d63cbcdce5 [2024-10-11 02:57:17,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 02:57:17,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 02:57:17,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 02:57:17,271 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 02:57:17,271 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 02:57:17,272 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c [2024-10-11 02:57:18,596 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 02:57:18,868 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 02:57:18,870 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c [2024-10-11 02:57:18,886 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/403a49b59/1f7c2f8b5f5e48b78a77edbbd73535b7/FLAGac78209bb [2024-10-11 02:57:18,900 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/403a49b59/1f7c2f8b5f5e48b78a77edbbd73535b7 [2024-10-11 02:57:18,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 02:57:18,905 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 02:57:18,905 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 02:57:18,906 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 02:57:18,910 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 02:57:18,910 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:57:18" (1/1) ... [2024-10-11 02:57:18,911 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a16fe25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:57:18, skipping insertion in model container [2024-10-11 02:57:18,912 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:57:18" (1/1) ... [2024-10-11 02:57:18,946 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 02:57:19,091 WARN L248 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_spec1_product19.cil.c[2044,2057] [2024-10-11 02:57:19,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 02:57:19,211 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 02:57:19,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [49] [2024-10-11 02:57:19,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [78] [2024-10-11 02:57:19,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] [2024-10-11 02:57:19,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [182] [2024-10-11 02:57:19,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [548] [2024-10-11 02:57:19,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [586] [2024-10-11 02:57:19,221 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [685] [2024-10-11 02:57:19,221 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [855] [2024-10-11 02:57:19,224 WARN L248 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_spec1_product19.cil.c[2044,2057] [2024-10-11 02:57:19,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 02:57:19,279 INFO L204 MainTranslator]: Completed translation [2024-10-11 02:57:19,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:57:19 WrapperNode [2024-10-11 02:57:19,280 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 02:57:19,281 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 02:57:19,281 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 02:57:19,281 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 02:57:19,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:57:19" (1/1) ... [2024-10-11 02:57:19,296 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:57:19" (1/1) ... [2024-10-11 02:57:19,332 INFO L138 Inliner]: procedures = 53, calls = 95, calls flagged for inlining = 19, calls inlined = 16, statements flattened = 163 [2024-10-11 02:57:19,336 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 02:57:19,337 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 02:57:19,337 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 02:57:19,337 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 02:57:19,351 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:57:19" (1/1) ... [2024-10-11 02:57:19,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:57:19" (1/1) ... [2024-10-11 02:57:19,352 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:57:19" (1/1) ... [2024-10-11 02:57:19,363 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]. [2024-10-11 02:57:19,363 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:57:19" (1/1) ... [2024-10-11 02:57:19,363 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:57:19" (1/1) ... [2024-10-11 02:57:19,369 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:57:19" (1/1) ... [2024-10-11 02:57:19,372 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:57:19" (1/1) ... [2024-10-11 02:57:19,372 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:57:19" (1/1) ... [2024-10-11 02:57:19,377 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:57:19" (1/1) ... [2024-10-11 02:57:19,379 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 02:57:19,379 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 02:57:19,379 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 02:57:19,379 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 02:57:19,380 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:57:19" (1/1) ... [2024-10-11 02:57:19,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 02:57:19,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:57:19,410 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 02:57:19,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 02:57:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 02:57:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-10-11 02:57:19,451 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-10-11 02:57:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-10-11 02:57:19,451 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-10-11 02:57:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-10-11 02:57:19,451 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-10-11 02:57:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-10-11 02:57:19,451 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-10-11 02:57:19,455 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-10-11 02:57:19,455 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-10-11 02:57:19,455 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-10-11 02:57:19,455 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-10-11 02:57:19,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 02:57:19,455 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-10-11 02:57:19,456 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-10-11 02:57:19,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 02:57:19,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 02:57:19,516 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 02:57:19,518 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 02:57:19,701 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-10-11 02:57:19,702 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 02:57:19,806 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 02:57:19,806 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-11 02:57:19,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:57:19 BoogieIcfgContainer [2024-10-11 02:57:19,807 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 02:57:19,809 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 02:57:19,811 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 02:57:19,814 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 02:57:19,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:57:18" (1/3) ... [2024-10-11 02:57:19,815 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38f18149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:57:19, skipping insertion in model container [2024-10-11 02:57:19,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:57:19" (2/3) ... [2024-10-11 02:57:19,816 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38f18149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:57:19, skipping insertion in model container [2024-10-11 02:57:19,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:57:19" (3/3) ... [2024-10-11 02:57:19,817 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product19.cil.c [2024-10-11 02:57:19,831 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 02:57:19,832 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 02:57:19,889 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 02:57:19,895 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;@1bf8903d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 02:57:19,896 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 02:57:19,899 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 42 states have (on average 1.5476190476190477) internal successors, (65), 49 states have internal predecessors, (65), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-11 02:57:19,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-11 02:57:19,919 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:57:19,919 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:57:19,920 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:57:19,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:57:19,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1855573476, now seen corresponding path program 1 times [2024-10-11 02:57:19,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:57:19,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126115550] [2024-10-11 02:57:19,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:57:19,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:57:20,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:57:20,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 02:57:20,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:57:20,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 02:57:20,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:57:20,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126115550] [2024-10-11 02:57:20,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126115550] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:57:20,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:57:20,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 02:57:20,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75742205] [2024-10-11 02:57:20,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:57:20,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 02:57:20,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:57:20,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 02:57:20,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 02:57:20,180 INFO L87 Difference]: Start difference. First operand has 62 states, 42 states have (on average 1.5476190476190477) internal successors, (65), 49 states have internal predecessors, (65), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2024-10-11 02:57:20,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:57:20,218 INFO L93 Difference]: Finished difference Result 122 states and 175 transitions. [2024-10-11 02:57:20,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 02:57:20,220 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 16 [2024-10-11 02:57:20,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:57:20,226 INFO L225 Difference]: With dead ends: 122 [2024-10-11 02:57:20,226 INFO L226 Difference]: Without dead ends: 57 [2024-10-11 02:57:20,229 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 [2024-10-11 02:57:20,231 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:57:20,232 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 02:57:20,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-10-11 02:57:20,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-10-11 02:57:20,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 45 states have internal predecessors, (55), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 02:57:20,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 76 transitions. [2024-10-11 02:57:20,262 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 76 transitions. Word has length 16 [2024-10-11 02:57:20,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:57:20,262 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 76 transitions. [2024-10-11 02:57:20,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2024-10-11 02:57:20,263 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2024-10-11 02:57:20,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-11 02:57:20,264 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:57:20,264 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:57:20,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 02:57:20,265 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:57:20,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:57:20,265 INFO L85 PathProgramCache]: Analyzing trace with hash -638616569, now seen corresponding path program 1 times [2024-10-11 02:57:20,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:57:20,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830217825] [2024-10-11 02:57:20,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:57:20,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:57:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:57:20,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 02:57:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:57:20,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 02:57:20,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:57:20,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830217825] [2024-10-11 02:57:20,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830217825] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:57:20,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:57:20,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 02:57:20,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92940535] [2024-10-11 02:57:20,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:57:20,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 02:57:20,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:57:20,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 02:57:20,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 02:57:20,342 INFO L87 Difference]: Start difference. First operand 57 states and 76 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-10-11 02:57:20,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:57:20,374 INFO L93 Difference]: Finished difference Result 84 states and 110 transitions. [2024-10-11 02:57:20,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 02:57:20,374 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 17 [2024-10-11 02:57:20,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:57:20,375 INFO L225 Difference]: With dead ends: 84 [2024-10-11 02:57:20,375 INFO L226 Difference]: Without dead ends: 49 [2024-10-11 02:57:20,375 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 [2024-10-11 02:57:20,376 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 14 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:57:20,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 93 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 02:57:20,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-10-11 02:57:20,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-10-11 02:57:20,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 40 states have internal predecessors, (49), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-11 02:57:20,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 65 transitions. [2024-10-11 02:57:20,383 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 65 transitions. Word has length 17 [2024-10-11 02:57:20,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:57:20,383 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 65 transitions. [2024-10-11 02:57:20,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-10-11 02:57:20,383 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2024-10-11 02:57:20,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-11 02:57:20,384 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:57:20,384 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] [2024-10-11 02:57:20,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 02:57:20,384 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:57:20,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:57:20,385 INFO L85 PathProgramCache]: Analyzing trace with hash 384363668, now seen corresponding path program 1 times [2024-10-11 02:57:20,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:57:20,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106883136] [2024-10-11 02:57:20,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:57:20,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:57:20,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:57:20,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 02:57:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:57:20,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 02:57:20,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:57:20,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106883136] [2024-10-11 02:57:20,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106883136] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:57:20,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:57:20,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 02:57:20,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49806191] [2024-10-11 02:57:20,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:57:20,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 02:57:20,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:57:20,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 02:57:20,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 02:57:20,481 INFO L87 Difference]: Start difference. First operand 49 states and 65 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2024-10-11 02:57:20,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:57:20,521 INFO L93 Difference]: Finished difference Result 143 states and 192 transitions. [2024-10-11 02:57:20,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 02:57:20,521 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 20 [2024-10-11 02:57:20,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:57:20,523 INFO L225 Difference]: With dead ends: 143 [2024-10-11 02:57:20,523 INFO L226 Difference]: Without dead ends: 96 [2024-10-11 02:57:20,523 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 [2024-10-11 02:57:20,524 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 52 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:57:20,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 117 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 02:57:20,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-10-11 02:57:20,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 93. [2024-10-11 02:57:20,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 64 states have (on average 1.453125) internal successors, (93), 75 states have internal predecessors, (93), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 02:57:20,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 125 transitions. [2024-10-11 02:57:20,539 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 125 transitions. Word has length 20 [2024-10-11 02:57:20,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:57:20,539 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 125 transitions. [2024-10-11 02:57:20,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2024-10-11 02:57:20,540 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 125 transitions. [2024-10-11 02:57:20,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-11 02:57:20,540 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:57:20,540 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] [2024-10-11 02:57:20,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 02:57:20,541 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:57:20,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:57:20,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1303270742, now seen corresponding path program 1 times [2024-10-11 02:57:20,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:57:20,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042585200] [2024-10-11 02:57:20,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:57:20,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:57:20,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:57:20,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 02:57:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:57:20,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 02:57:20,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:57:20,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042585200] [2024-10-11 02:57:20,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042585200] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:57:20,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:57:20,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 02:57:20,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062933236] [2024-10-11 02:57:20,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:57:20,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 02:57:20,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:57:20,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 02:57:20,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 02:57:20,622 INFO L87 Difference]: Start difference. First operand 93 states and 125 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-10-11 02:57:20,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:57:20,669 INFO L93 Difference]: Finished difference Result 162 states and 219 transitions. [2024-10-11 02:57:20,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 02:57:20,670 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 23 [2024-10-11 02:57:20,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:57:20,670 INFO L225 Difference]: With dead ends: 162 [2024-10-11 02:57:20,670 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 02:57:20,671 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 02:57:20,672 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 27 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:57:20,673 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 67 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 02:57:20,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 02:57:20,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 02:57:20,673 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) [2024-10-11 02:57:20,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 02:57:20,674 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2024-10-11 02:57:20,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:57:20,674 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 02:57:20,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-10-11 02:57:20,674 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 02:57:20,674 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 02:57:20,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 02:57:20,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 02:57:20,679 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-11 02:57:20,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-11 02:57:20,913 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 02:57:20,937 WARN L155 FloydHoareUtils]: Requires clause for timeShift contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= |old(~pumpRunning~0)| 0)) Eliminated clause: (= ~pumpRunning~0 0) [2024-10-11 02:57:20,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:57:20 BoogieIcfgContainer [2024-10-11 02:57:20,943 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 02:57:20,944 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 02:57:20,944 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 02:57:20,944 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 02:57:20,944 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:57:19" (3/4) ... [2024-10-11 02:57:20,945 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 02:57:20,949 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-10-11 02:57:20,950 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-10-11 02:57:20,950 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-10-11 02:57:20,950 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-10-11 02:57:20,950 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-10-11 02:57:20,950 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-10-11 02:57:20,951 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-10-11 02:57:20,955 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2024-10-11 02:57:20,956 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-10-11 02:57:20,956 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-11 02:57:20,956 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 02:57:20,957 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 02:57:21,030 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 02:57:21,031 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 02:57:21,031 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 02:57:21,031 INFO L158 Benchmark]: Toolchain (without parser) took 2126.71ms. Allocated memory is still 195.0MB. Free memory was 159.7MB in the beginning and 82.8MB in the end (delta: 76.9MB). Peak memory consumption was 74.8MB. Max. memory is 16.1GB. [2024-10-11 02:57:21,031 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 117.4MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 02:57:21,032 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.73ms. Allocated memory is still 195.0MB. Free memory was 159.7MB in the beginning and 139.7MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-11 02:57:21,032 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.57ms. Allocated memory is still 195.0MB. Free memory was 139.7MB in the beginning and 137.6MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 02:57:21,032 INFO L158 Benchmark]: Boogie Preprocessor took 41.92ms. Allocated memory is still 195.0MB. Free memory was 137.6MB in the beginning and 134.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 02:57:21,032 INFO L158 Benchmark]: RCFGBuilder took 427.84ms. Allocated memory is still 195.0MB. Free memory was 134.5MB in the beginning and 113.5MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-11 02:57:21,033 INFO L158 Benchmark]: TraceAbstraction took 1134.19ms. Allocated memory is still 195.0MB. Free memory was 112.5MB in the beginning and 89.1MB in the end (delta: 23.4MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2024-10-11 02:57:21,033 INFO L158 Benchmark]: Witness Printer took 87.31ms. Allocated memory is still 195.0MB. Free memory was 89.1MB in the beginning and 82.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-11 02:57:21,034 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 117.4MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.73ms. Allocated memory is still 195.0MB. Free memory was 159.7MB in the beginning and 139.7MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.57ms. Allocated memory is still 195.0MB. Free memory was 139.7MB in the beginning and 137.6MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.92ms. Allocated memory is still 195.0MB. Free memory was 137.6MB in the beginning and 134.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 427.84ms. Allocated memory is still 195.0MB. Free memory was 134.5MB in the beginning and 113.5MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1134.19ms. Allocated memory is still 195.0MB. Free memory was 112.5MB in the beginning and 89.1MB in the end (delta: 23.4MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. * Witness Printer took 87.31ms. Allocated memory is still 195.0MB. Free memory was 89.1MB in the beginning and 82.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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,"Specification1_spec.i","") [49] - GenericResultAtLocation [Line: 78]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [78] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] - GenericResultAtLocation [Line: 182]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [182] - GenericResultAtLocation [Line: 548]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [548] - GenericResultAtLocation [Line: 586]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [586] - GenericResultAtLocation [Line: 685]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [685] - GenericResultAtLocation [Line: 855]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [855] * 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: 83]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 62 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, 97 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 93 mSDsluCounter, 346 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 124 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 76 IncrementalHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 222 mSDtfsCounter, 76 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=3, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 136 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: 866]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 865]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 599]: Loop Invariant Derived loop invariant: 0 - ProcedureContractResult [Line: 757]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 716]: Procedure Contract for processEnvironment__wrappee__base Derived contract for procedure processEnvironment__wrappee__base. Requires: (pumpRunning == 0) Ensures: (pumpRunning == 0) - ProcedureContractResult [Line: 120]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (pumpRunning == 0) Ensures: (pumpRunning == 0) - ProcedureContractResult [Line: 692]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (\old(pumpRunning) == 0)) - ProcedureContractResult [Line: 589]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 132]: Procedure Contract for isMethaneLevelCritical Derived contract for procedure isMethaneLevelCritical. Requires: (pumpRunning == 0) Ensures: (pumpRunning == 0) - ProcedureContractResult [Line: 108]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: (pumpRunning == 0) Ensures: (pumpRunning == 0) RESULT: Ultimate proved your program to be correct! [2024-10-11 02:57:21,057 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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