./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_spec5_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product27.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 d20064856c358ac34c15406fcd734cb6b5694fad7d43f4bd7014ec1cea8e62ba --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 03:10:35,174 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 03:10:35,228 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 03:10:35,233 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 03:10:35,235 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 03:10:35,259 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 03:10:35,259 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 03:10:35,270 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 03:10:35,272 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 03:10:35,272 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 03:10:35,273 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 03:10:35,273 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 03:10:35,273 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 03:10:35,274 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 03:10:35,274 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 03:10:35,274 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 03:10:35,274 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 03:10:35,275 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 03:10:35,275 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 03:10:35,275 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 03:10:35,275 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 03:10:35,278 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 03:10:35,278 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 03:10:35,278 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 03:10:35,279 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 03:10:35,279 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 03:10:35,279 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 03:10:35,279 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 03:10:35,279 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 03:10:35,279 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 03:10:35,280 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 03:10:35,280 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 03:10:35,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 03:10:35,280 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 03:10:35,280 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 03:10:35,280 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 03:10:35,281 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 03:10:35,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 03:10:35,281 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 03:10:35,283 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 03:10:35,284 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 03:10:35,284 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 03:10:35,284 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d20064856c358ac34c15406fcd734cb6b5694fad7d43f4bd7014ec1cea8e62ba [2024-10-14 03:10:35,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 03:10:35,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 03:10:35,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 03:10:35,480 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 03:10:35,480 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 03:10:35,481 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c [2024-10-14 03:10:36,709 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 03:10:36,886 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 03:10:36,886 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c [2024-10-14 03:10:36,898 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8148012da/115d37a3c3ba4a0a89bce000c5d594a6/FLAGb937e7f79 [2024-10-14 03:10:37,269 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8148012da/115d37a3c3ba4a0a89bce000c5d594a6 [2024-10-14 03:10:37,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 03:10:37,272 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 03:10:37,274 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 03:10:37,274 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 03:10:37,278 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 03:10:37,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:10:37" (1/1) ... [2024-10-14 03:10:37,279 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37e75ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:10:37, skipping insertion in model container [2024-10-14 03:10:37,279 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:10:37" (1/1) ... [2024-10-14 03:10:37,309 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 03:10:37,519 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_spec5_product27.cil.c[13937,13950] [2024-10-14 03:10:37,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 03:10:37,549 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 03:10:37,557 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-10-14 03:10:37,558 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [87] [2024-10-14 03:10:37,558 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [139] [2024-10-14 03:10:37,559 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [505] [2024-10-14 03:10:37,559 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [600] [2024-10-14 03:10:37,559 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [609] [2024-10-14 03:10:37,559 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [709] [2024-10-14 03:10:37,559 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [777] [2024-10-14 03:10:37,608 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_spec5_product27.cil.c[13937,13950] [2024-10-14 03:10:37,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 03:10:37,646 INFO L204 MainTranslator]: Completed translation [2024-10-14 03:10:37,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:10:37 WrapperNode [2024-10-14 03:10:37,646 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 03:10:37,647 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 03:10:37,647 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 03:10:37,647 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 03:10:37,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:10:37" (1/1) ... [2024-10-14 03:10:37,662 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:10:37" (1/1) ... [2024-10-14 03:10:37,707 INFO L138 Inliner]: procedures = 56, calls = 100, calls flagged for inlining = 24, calls inlined = 18, statements flattened = 174 [2024-10-14 03:10:37,708 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 03:10:37,708 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 03:10:37,708 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 03:10:37,708 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 03:10:37,716 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:10:37" (1/1) ... [2024-10-14 03:10:37,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:10:37" (1/1) ... [2024-10-14 03:10:37,718 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:10:37" (1/1) ... [2024-10-14 03:10:37,741 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]. [2024-10-14 03:10:37,741 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:10:37" (1/1) ... [2024-10-14 03:10:37,742 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:10:37" (1/1) ... [2024-10-14 03:10:37,744 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:10:37" (1/1) ... [2024-10-14 03:10:37,746 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:10:37" (1/1) ... [2024-10-14 03:10:37,747 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:10:37" (1/1) ... [2024-10-14 03:10:37,748 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:10:37" (1/1) ... [2024-10-14 03:10:37,749 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 03:10:37,750 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 03:10:37,750 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 03:10:37,750 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 03:10:37,750 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:10:37" (1/1) ... [2024-10-14 03:10:37,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 03:10:37,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:10:37,778 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) [2024-10-14 03:10:37,784 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 [2024-10-14 03:10:37,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 03:10:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-10-14 03:10:37,824 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-10-14 03:10:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-10-14 03:10:37,824 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-10-14 03:10:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-10-14 03:10:37,824 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-10-14 03:10:37,825 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-10-14 03:10:37,825 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-10-14 03:10:37,825 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2024-10-14 03:10:37,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2024-10-14 03:10:37,825 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-10-14 03:10:37,826 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-10-14 03:10:37,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 03:10:37,826 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-10-14 03:10:37,826 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-10-14 03:10:37,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 03:10:37,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 03:10:37,889 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 03:10:37,891 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 03:10:38,107 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-10-14 03:10:38,108 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 03:10:38,161 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 03:10:38,161 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-14 03:10:38,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:10:38 BoogieIcfgContainer [2024-10-14 03:10:38,165 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 03:10:38,167 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 03:10:38,167 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 03:10:38,170 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 03:10:38,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:10:37" (1/3) ... [2024-10-14 03:10:38,171 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@167e28f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:10:38, skipping insertion in model container [2024-10-14 03:10:38,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:10:37" (2/3) ... [2024-10-14 03:10:38,171 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@167e28f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:10:38, skipping insertion in model container [2024-10-14 03:10:38,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:10:38" (3/3) ... [2024-10-14 03:10:38,174 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product27.cil.c [2024-10-14 03:10:38,188 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 03:10:38,188 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 03:10:38,244 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 03:10:38,249 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;@49e5fa90, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 03:10:38,249 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 03:10:38,253 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 45 states have (on average 1.5333333333333334) internal successors, (69), 52 states have internal predecessors, (69), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-14 03:10:38,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-14 03:10:38,259 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:10:38,260 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:10:38,265 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:10:38,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:10:38,270 INFO L85 PathProgramCache]: Analyzing trace with hash 67825673, now seen corresponding path program 1 times [2024-10-14 03:10:38,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:10:38,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104704888] [2024-10-14 03:10:38,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:10:38,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:10:38,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:38,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 03:10:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:38,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 03:10:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:38,424 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 03:10:38,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:10:38,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104704888] [2024-10-14 03:10:38,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104704888] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:10:38,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:10:38,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 03:10:38,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353197898] [2024-10-14 03:10:38,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:10:38,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 03:10:38,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:10:38,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 03:10:38,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 03:10:38,458 INFO L87 Difference]: Start difference. First operand has 66 states, 45 states have (on average 1.5333333333333334) internal successors, (69), 52 states have internal predecessors, (69), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 03:10:38,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:10:38,504 INFO L93 Difference]: Finished difference Result 130 states and 187 transitions. [2024-10-14 03:10:38,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 03:10:38,506 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2024-10-14 03:10:38,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:10:38,512 INFO L225 Difference]: With dead ends: 130 [2024-10-14 03:10:38,512 INFO L226 Difference]: Without dead ends: 61 [2024-10-14 03:10:38,514 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 03:10:38,517 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:10:38,517 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:10:38,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-10-14 03:10:38,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-10-14 03:10:38,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 48 states have internal predecessors, (59), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-14 03:10:38,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 82 transitions. [2024-10-14 03:10:38,557 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 82 transitions. Word has length 22 [2024-10-14 03:10:38,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:10:38,557 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 82 transitions. [2024-10-14 03:10:38,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 03:10:38,558 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2024-10-14 03:10:38,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-14 03:10:38,562 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:10:38,563 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:10:38,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 03:10:38,563 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:10:38,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:10:38,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1176428055, now seen corresponding path program 1 times [2024-10-14 03:10:38,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:10:38,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204186915] [2024-10-14 03:10:38,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:10:38,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:10:38,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:38,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:10:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:38,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 03:10:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:38,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 03:10:38,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:10:38,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204186915] [2024-10-14 03:10:38,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204186915] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:10:38,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:10:38,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 03:10:38,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607846617] [2024-10-14 03:10:38,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:10:38,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 03:10:38,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:10:38,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 03:10:38,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:10:38,699 INFO L87 Difference]: Start difference. First operand 61 states and 82 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 03:10:38,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:10:38,727 INFO L93 Difference]: Finished difference Result 92 states and 122 transitions. [2024-10-14 03:10:38,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 03:10:38,728 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2024-10-14 03:10:38,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:10:38,729 INFO L225 Difference]: With dead ends: 92 [2024-10-14 03:10:38,730 INFO L226 Difference]: Without dead ends: 53 [2024-10-14 03:10:38,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:10:38,732 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 14 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:10:38,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 103 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:10:38,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-10-14 03:10:38,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-10-14 03:10:38,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 43 states have internal predecessors, (53), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-14 03:10:38,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 71 transitions. [2024-10-14 03:10:38,742 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 71 transitions. Word has length 23 [2024-10-14 03:10:38,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:10:38,743 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 71 transitions. [2024-10-14 03:10:38,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 03:10:38,743 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 71 transitions. [2024-10-14 03:10:38,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-14 03:10:38,744 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:10:38,744 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:10:38,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 03:10:38,745 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:10:38,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:10:38,745 INFO L85 PathProgramCache]: Analyzing trace with hash -2012703509, now seen corresponding path program 1 times [2024-10-14 03:10:38,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:10:38,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578187488] [2024-10-14 03:10:38,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:10:38,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:10:38,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:38,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 03:10:38,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:38,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-14 03:10:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:38,842 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 03:10:38,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:10:38,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578187488] [2024-10-14 03:10:38,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578187488] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:10:38,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:10:38,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 03:10:38,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215875951] [2024-10-14 03:10:38,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:10:38,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 03:10:38,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:10:38,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 03:10:38,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:10:38,844 INFO L87 Difference]: Start difference. First operand 53 states and 71 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 03:10:38,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:10:38,903 INFO L93 Difference]: Finished difference Result 155 states and 210 transitions. [2024-10-14 03:10:38,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 03:10:38,904 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2024-10-14 03:10:38,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:10:38,906 INFO L225 Difference]: With dead ends: 155 [2024-10-14 03:10:38,906 INFO L226 Difference]: Without dead ends: 104 [2024-10-14 03:10:38,907 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:10:38,907 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 55 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:10:38,909 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 129 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:10:38,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-10-14 03:10:38,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 101. [2024-10-14 03:10:38,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 70 states have (on average 1.4428571428571428) internal successors, (101), 81 states have internal predecessors, (101), 18 states have call successors, (18), 12 states have call predecessors, (18), 12 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-14 03:10:38,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 137 transitions. [2024-10-14 03:10:38,933 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 137 transitions. Word has length 26 [2024-10-14 03:10:38,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:10:38,934 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 137 transitions. [2024-10-14 03:10:38,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 03:10:38,934 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 137 transitions. [2024-10-14 03:10:38,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-14 03:10:38,936 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:10:38,936 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:10:38,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 03:10:38,937 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:10:38,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:10:38,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1519678485, now seen corresponding path program 1 times [2024-10-14 03:10:38,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:10:38,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159431870] [2024-10-14 03:10:38,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:10:38,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:10:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:39,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:10:39,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:39,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 03:10:39,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:10:39,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 03:10:39,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:10:39,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159431870] [2024-10-14 03:10:39,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159431870] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:10:39,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:10:39,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 03:10:39,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895985306] [2024-10-14 03:10:39,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:10:39,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 03:10:39,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:10:39,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 03:10:39,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 03:10:39,029 INFO L87 Difference]: Start difference. First operand 101 states and 137 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 03:10:39,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:10:39,109 INFO L93 Difference]: Finished difference Result 176 states and 239 transitions. [2024-10-14 03:10:39,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 03:10:39,110 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2024-10-14 03:10:39,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:10:39,110 INFO L225 Difference]: With dead ends: 176 [2024-10-14 03:10:39,110 INFO L226 Difference]: Without dead ends: 0 [2024-10-14 03:10:39,111 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-14 03:10:39,112 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 28 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:10:39,112 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 131 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:10:39,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-14 03:10:39,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-14 03:10:39,113 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) [2024-10-14 03:10:39,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-14 03:10:39,113 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2024-10-14 03:10:39,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:10:39,114 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-14 03:10:39,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 03:10:39,114 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-14 03:10:39,114 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-14 03:10:39,116 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-14 03:10:39,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 03:10:39,118 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-14 03:10:39,120 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-14 03:10:39,355 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 03:10:39,380 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) [2024-10-14 03:10:39,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 03:10:39 BoogieIcfgContainer [2024-10-14 03:10:39,386 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 03:10:39,387 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 03:10:39,387 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 03:10:39,387 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 03:10:39,388 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:10:38" (3/4) ... [2024-10-14 03:10:39,389 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 03:10:39,392 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-10-14 03:10:39,392 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-10-14 03:10:39,392 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-10-14 03:10:39,392 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-10-14 03:10:39,392 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-10-14 03:10:39,392 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-10-14 03:10:39,392 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2024-10-14 03:10:39,398 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2024-10-14 03:10:39,399 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-10-14 03:10:39,400 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-14 03:10:39,400 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 03:10:39,400 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 03:10:39,498 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 03:10:39,498 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 03:10:39,498 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 03:10:39,499 INFO L158 Benchmark]: Toolchain (without parser) took 2226.43ms. Allocated memory was 146.8MB in the beginning and 195.0MB in the end (delta: 48.2MB). Free memory was 74.3MB in the beginning and 84.9MB in the end (delta: -10.6MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2024-10-14 03:10:39,499 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 146.8MB. Free memory is still 111.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 03:10:39,499 INFO L158 Benchmark]: CACSL2BoogieTranslator took 372.60ms. Allocated memory is still 146.8MB. Free memory was 74.3MB in the beginning and 54.0MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-14 03:10:39,499 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.55ms. Allocated memory was 146.8MB in the beginning and 195.0MB in the end (delta: 48.2MB). Free memory was 53.7MB in the beginning and 162.3MB in the end (delta: -108.6MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2024-10-14 03:10:39,500 INFO L158 Benchmark]: Boogie Preprocessor took 41.07ms. Allocated memory is still 195.0MB. Free memory was 162.3MB in the beginning and 163.0MB in the end (delta: -759.3kB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2024-10-14 03:10:39,500 INFO L158 Benchmark]: RCFGBuilder took 415.47ms. Allocated memory is still 195.0MB. Free memory was 163.0MB in the beginning and 141.0MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-14 03:10:39,500 INFO L158 Benchmark]: TraceAbstraction took 1219.66ms. Allocated memory is still 195.0MB. Free memory was 140.0MB in the beginning and 92.2MB in the end (delta: 47.8MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. [2024-10-14 03:10:39,500 INFO L158 Benchmark]: Witness Printer took 111.39ms. Allocated memory is still 195.0MB. Free memory was 92.2MB in the beginning and 84.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-14 03:10:39,501 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 146.8MB. Free memory is still 111.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 372.60ms. Allocated memory is still 146.8MB. Free memory was 74.3MB in the beginning and 54.0MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.55ms. Allocated memory was 146.8MB in the beginning and 195.0MB in the end (delta: 48.2MB). Free memory was 53.7MB in the beginning and 162.3MB in the end (delta: -108.6MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.07ms. Allocated memory is still 195.0MB. Free memory was 162.3MB in the beginning and 163.0MB in the end (delta: -759.3kB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * RCFGBuilder took 415.47ms. Allocated memory is still 195.0MB. Free memory was 163.0MB in the beginning and 141.0MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1219.66ms. Allocated memory is still 195.0MB. Free memory was 140.0MB in the beginning and 92.2MB in the end (delta: 47.8MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. * Witness Printer took 111.39ms. Allocated memory is still 195.0MB. Free memory was 92.2MB in the beginning and 84.9MB in the end (delta: 7.3MB). 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [87] - GenericResultAtLocation [Line: 139]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [139] - GenericResultAtLocation [Line: 505]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [505] - GenericResultAtLocation [Line: 600]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [600] - GenericResultAtLocation [Line: 609]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [609] - GenericResultAtLocation [Line: 709]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [709] - GenericResultAtLocation [Line: 777]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [777] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 605]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 102 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 97 mSDsluCounter, 437 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 196 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 120 IncrementalHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 241 mSDtfsCounter, 120 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=3, InterpolantAutomatonStates: 14, 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 174 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 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: 721]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 720]: Location Invariant Derived location invariant: 0 - ProcedureContractResult [Line: 869]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 810]: Procedure Contract for processEnvironment__wrappee__base Derived contract for procedure processEnvironment__wrappee__base. Requires: (pumpRunning == 0) Ensures: (pumpRunning == 0) - ProcedureContractResult [Line: 538]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (pumpRunning == 0) Ensures: (pumpRunning == 0) - ProcedureContractResult [Line: 783]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (\old(pumpRunning) == 0)) - ProcedureContractResult [Line: 612]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 526]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: (pumpRunning == 0) Ensures: (pumpRunning == 0) - ProcedureContractResult [Line: 888]: Procedure Contract for isPumpRunning Derived contract for procedure isPumpRunning. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (\result == 0)) RESULT: Ultimate proved your program to be correct! [2024-10-14 03:10:39,527 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