./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product08.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 87d91e56d61e49620ea5a2c0236a89cbd5cce3c0ef7c136160e7b734dcc26431 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 15:13:43,948 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 15:13:44,015 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 15:13:44,019 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 15:13:44,021 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 15:13:44,052 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 15:13:44,052 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 15:13:44,053 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 15:13:44,053 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 15:13:44,053 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 15:13:44,054 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 15:13:44,054 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 15:13:44,054 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 15:13:44,054 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 15:13:44,055 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 15:13:44,055 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 15:13:44,055 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 15:13:44,055 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 15:13:44,056 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 15:13:44,056 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 15:13:44,056 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 15:13:44,057 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 15:13:44,057 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 15:13:44,057 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 15:13:44,057 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 15:13:44,057 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 15:13:44,058 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 15:13:44,058 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 15:13:44,058 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 15:13:44,058 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 15:13:44,058 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 15:13:44,059 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 15:13:44,059 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 15:13:44,059 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 15:13:44,059 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 15:13:44,059 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 15:13:44,060 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 15:13:44,060 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 15:13:44,060 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 15:13:44,060 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 15:13:44,060 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 15:13:44,061 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 15:13:44,061 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87d91e56d61e49620ea5a2c0236a89cbd5cce3c0ef7c136160e7b734dcc26431 [2024-11-08 15:13:44,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 15:13:44,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 15:13:44,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 15:13:44,386 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 15:13:44,387 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 15:13:44,388 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c [2024-11-08 15:13:45,862 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 15:13:46,209 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 15:13:46,209 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c [2024-11-08 15:13:46,233 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7373d67c3/c4dd88ca39504dff9fd17959efc4bc58/FLAG31479f870 [2024-11-08 15:13:46,464 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7373d67c3/c4dd88ca39504dff9fd17959efc4bc58 [2024-11-08 15:13:46,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 15:13:46,467 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 15:13:46,472 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 15:13:46,472 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 15:13:46,480 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 15:13:46,482 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 03:13:46" (1/1) ... [2024-11-08 15:13:46,482 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cf30402 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:46, skipping insertion in model container [2024-11-08 15:13:46,482 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 03:13:46" (1/1) ... [2024-11-08 15:13:46,524 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 15:13:46,798 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c[13819,13832] [2024-11-08 15:13:46,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 15:13:46,841 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 15:13:46,849 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-11-08 15:13:46,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [155] [2024-11-08 15:13:46,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [521] [2024-11-08 15:13:46,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [605] [2024-11-08 15:13:46,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [614] [2024-11-08 15:13:46,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [649] [2024-11-08 15:13:46,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [689] [2024-11-08 15:13:46,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [760] [2024-11-08 15:13:46,880 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c[13819,13832] [2024-11-08 15:13:46,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 15:13:46,905 INFO L204 MainTranslator]: Completed translation [2024-11-08 15:13:46,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:46 WrapperNode [2024-11-08 15:13:46,906 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 15:13:46,907 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 15:13:46,907 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 15:13:46,907 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 15:13:46,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:46" (1/1) ... [2024-11-08 15:13:46,933 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:46" (1/1) ... [2024-11-08 15:13:46,956 INFO L138 Inliner]: procedures = 53, calls = 96, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 162 [2024-11-08 15:13:46,958 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 15:13:46,959 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 15:13:46,959 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 15:13:46,959 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 15:13:46,967 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:46" (1/1) ... [2024-11-08 15:13:46,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:46" (1/1) ... [2024-11-08 15:13:46,970 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:46" (1/1) ... [2024-11-08 15:13:46,983 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 15:13:46,984 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:46" (1/1) ... [2024-11-08 15:13:46,984 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:46" (1/1) ... [2024-11-08 15:13:46,988 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:46" (1/1) ... [2024-11-08 15:13:46,992 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:46" (1/1) ... [2024-11-08 15:13:46,996 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:46" (1/1) ... [2024-11-08 15:13:46,997 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:46" (1/1) ... [2024-11-08 15:13:46,999 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 15:13:46,999 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 15:13:46,999 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 15:13:47,000 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 15:13:47,000 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:46" (1/1) ... [2024-11-08 15:13:47,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 15:13:47,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:13:47,029 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 15:13:47,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 15:13:47,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 15:13:47,076 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-08 15:13:47,076 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-08 15:13:47,076 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-08 15:13:47,077 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-08 15:13:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-08 15:13:47,077 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-08 15:13:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-08 15:13:47,077 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-08 15:13:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-08 15:13:47,078 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-08 15:13:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-08 15:13:47,078 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-08 15:13:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 15:13:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-08 15:13:47,078 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-08 15:13:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 15:13:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 15:13:47,149 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 15:13:47,151 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 15:13:47,353 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-08 15:13:47,354 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 15:13:47,363 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 15:13:47,364 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 15:13:47,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:13:47 BoogieIcfgContainer [2024-11-08 15:13:47,364 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 15:13:47,366 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 15:13:47,366 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 15:13:47,369 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 15:13:47,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 03:13:46" (1/3) ... [2024-11-08 15:13:47,369 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20cef184 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 03:13:47, skipping insertion in model container [2024-11-08 15:13:47,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:46" (2/3) ... [2024-11-08 15:13:47,370 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20cef184 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 03:13:47, skipping insertion in model container [2024-11-08 15:13:47,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:13:47" (3/3) ... [2024-11-08 15:13:47,371 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product08.cil.c [2024-11-08 15:13:47,384 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 15:13:47,384 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 15:13:47,429 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 15:13:47,434 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;@502d84ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 15:13:47,435 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 15:13:47,438 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 68 states have internal predecessors, (84), 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) [2024-11-08 15:13:47,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 15:13:47,445 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:13:47,445 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:13:47,446 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:13:47,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:13:47,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1051160170, now seen corresponding path program 1 times [2024-11-08 15:13:47,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:13:47,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653223677] [2024-11-08 15:13:47,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:13:47,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:13:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:47,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 15:13:47,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:47,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:13:47,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:13:47,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653223677] [2024-11-08 15:13:47,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653223677] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:13:47,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:13:47,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 15:13:47,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248537115] [2024-11-08 15:13:47,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:13:47,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 15:13:47,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:13:47,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 15:13:47,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 15:13:47,676 INFO L87 Difference]: Start difference. First operand has 82 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 68 states have internal predecessors, (84), 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 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 15:13:47,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:13:47,704 INFO L93 Difference]: Finished difference Result 155 states and 210 transitions. [2024-11-08 15:13:47,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 15:13:47,707 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 25 [2024-11-08 15:13:47,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:13:47,713 INFO L225 Difference]: With dead ends: 155 [2024-11-08 15:13:47,714 INFO L226 Difference]: Without dead ends: 73 [2024-11-08 15:13:47,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 15:13:47,720 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:13:47,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:13:47,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-08 15:13:47,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-08 15:13:47,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 54 states have (on average 1.2962962962962963) internal successors, (70), 60 states have internal predecessors, (70), 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) [2024-11-08 15:13:47,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 93 transitions. [2024-11-08 15:13:47,814 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 93 transitions. Word has length 25 [2024-11-08 15:13:47,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:13:47,815 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 93 transitions. [2024-11-08 15:13:47,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 15:13:47,815 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 93 transitions. [2024-11-08 15:13:47,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 15:13:47,816 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:13:47,817 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:13:47,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 15:13:47,817 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:13:47,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:13:47,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1691851244, now seen corresponding path program 1 times [2024-11-08 15:13:47,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:13:47,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345620929] [2024-11-08 15:13:47,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:13:47,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:13:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:47,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 15:13:47,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:47,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:13:47,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:13:47,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345620929] [2024-11-08 15:13:47,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345620929] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:13:47,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:13:47,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:13:47,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376219006] [2024-11-08 15:13:47,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:13:47,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:13:47,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:13:47,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:13:47,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:13:47,916 INFO L87 Difference]: Start difference. First operand 73 states and 93 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 15:13:47,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:13:47,925 INFO L93 Difference]: Finished difference Result 106 states and 134 transitions. [2024-11-08 15:13:47,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:13:47,926 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 26 [2024-11-08 15:13:47,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:13:47,930 INFO L225 Difference]: With dead ends: 106 [2024-11-08 15:13:47,931 INFO L226 Difference]: Without dead ends: 64 [2024-11-08 15:13:47,931 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:13:47,932 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 17 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:13:47,932 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 138 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:13:47,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-08 15:13:47,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-11-08 15:13:47,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 48 states have (on average 1.3125) internal successors, (63), 54 states have internal predecessors, (63), 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) [2024-11-08 15:13:47,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 81 transitions. [2024-11-08 15:13:47,939 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 81 transitions. Word has length 26 [2024-11-08 15:13:47,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:13:47,939 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 81 transitions. [2024-11-08 15:13:47,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 15:13:47,939 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2024-11-08 15:13:47,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 15:13:47,940 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:13:47,940 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:13:47,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 15:13:47,940 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:13:47,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:13:47,942 INFO L85 PathProgramCache]: Analyzing trace with hash -292013017, now seen corresponding path program 1 times [2024-11-08 15:13:47,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:13:47,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883360553] [2024-11-08 15:13:47,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:13:47,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:13:47,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:48,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 15:13:48,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:48,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:13:48,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:13:48,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883360553] [2024-11-08 15:13:48,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883360553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:13:48,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:13:48,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 15:13:48,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757662822] [2024-11-08 15:13:48,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:13:48,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:13:48,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:13:48,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:13:48,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 15:13:48,071 INFO L87 Difference]: Start difference. First operand 64 states and 81 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 15:13:48,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:13:48,124 INFO L93 Difference]: Finished difference Result 163 states and 211 transitions. [2024-11-08 15:13:48,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 15:13:48,124 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 31 [2024-11-08 15:13:48,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:13:48,126 INFO L225 Difference]: With dead ends: 163 [2024-11-08 15:13:48,126 INFO L226 Difference]: Without dead ends: 107 [2024-11-08 15:13:48,127 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:13:48,127 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 74 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:13:48,128 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 329 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:13:48,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-08 15:13:48,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 104. [2024-11-08 15:13:48,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 78 states have (on average 1.3461538461538463) internal successors, (105), 87 states have internal predecessors, (105), 14 states have call successors, (14), 11 states have call predecessors, (14), 11 states have return successors, (15), 11 states have call predecessors, (15), 14 states have call successors, (15) [2024-11-08 15:13:48,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 134 transitions. [2024-11-08 15:13:48,142 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 134 transitions. Word has length 31 [2024-11-08 15:13:48,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:13:48,142 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 134 transitions. [2024-11-08 15:13:48,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 15:13:48,142 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 134 transitions. [2024-11-08 15:13:48,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 15:13:48,143 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:13:48,143 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:13:48,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 15:13:48,144 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:13:48,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:13:48,144 INFO L85 PathProgramCache]: Analyzing trace with hash 81716906, now seen corresponding path program 1 times [2024-11-08 15:13:48,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:13:48,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750292176] [2024-11-08 15:13:48,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:13:48,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:13:48,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:48,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 15:13:48,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:48,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:13:48,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:13:48,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750292176] [2024-11-08 15:13:48,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750292176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:13:48,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:13:48,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 15:13:48,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522398671] [2024-11-08 15:13:48,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:13:48,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:13:48,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:13:48,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:13:48,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 15:13:48,249 INFO L87 Difference]: Start difference. First operand 104 states and 134 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 15:13:48,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:13:48,313 INFO L93 Difference]: Finished difference Result 178 states and 234 transitions. [2024-11-08 15:13:48,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 15:13:48,317 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (2), 1 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 34 [2024-11-08 15:13:48,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:13:48,318 INFO L225 Difference]: With dead ends: 178 [2024-11-08 15:13:48,318 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 15:13:48,319 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:13:48,319 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 51 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:13:48,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 151 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:13:48,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 15:13:48,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 15:13:48,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:13:48,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 15:13:48,321 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2024-11-08 15:13:48,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:13:48,321 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 15:13:48,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 15:13:48,321 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 15:13:48,321 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 15:13:48,323 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 15:13:48,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 15:13:48,327 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-08 15:13:48,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-08 15:13:48,547 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 15:13:48,575 WARN L156 FloydHoareUtils]: Requires clause for timeShift contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= |old(~pumpRunning~0)| 0)) Eliminated clause: (= ~pumpRunning~0 0) [2024-11-08 15:13:48,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 03:13:48 BoogieIcfgContainer [2024-11-08 15:13:48,578 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 15:13:48,578 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 15:13:48,578 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 15:13:48,578 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 15:13:48,579 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:13:47" (3/4) ... [2024-11-08 15:13:48,581 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 15:13:48,583 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-08 15:13:48,584 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-08 15:13:48,584 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-08 15:13:48,584 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-11-08 15:13:48,584 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-08 15:13:48,584 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-08 15:13:48,584 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-08 15:13:48,588 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-08 15:13:48,589 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-08 15:13:48,589 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 15:13:48,589 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 15:13:48,589 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 15:13:48,663 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-08 15:13:48,663 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-08 15:13:48,663 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 15:13:48,664 INFO L158 Benchmark]: Toolchain (without parser) took 2196.72ms. Allocated memory was 138.4MB in the beginning and 207.6MB in the end (delta: 69.2MB). Free memory was 66.1MB in the beginning and 99.0MB in the end (delta: -32.9MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2024-11-08 15:13:48,664 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 138.4MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 15:13:48,664 INFO L158 Benchmark]: CACSL2BoogieTranslator took 434.94ms. Allocated memory was 138.4MB in the beginning and 207.6MB in the end (delta: 69.2MB). Free memory was 66.0MB in the beginning and 170.4MB in the end (delta: -104.4MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2024-11-08 15:13:48,665 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.13ms. Allocated memory is still 207.6MB. Free memory was 170.4MB in the beginning and 168.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 15:13:48,665 INFO L158 Benchmark]: Boogie Preprocessor took 40.02ms. Allocated memory is still 207.6MB. Free memory was 168.3MB in the beginning and 166.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 15:13:48,665 INFO L158 Benchmark]: RCFGBuilder took 364.95ms. Allocated memory is still 207.6MB. Free memory was 166.2MB in the beginning and 149.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 15:13:48,665 INFO L158 Benchmark]: TraceAbstraction took 1211.71ms. Allocated memory is still 207.6MB. Free memory was 149.4MB in the beginning and 106.2MB in the end (delta: 43.1MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2024-11-08 15:13:48,665 INFO L158 Benchmark]: Witness Printer took 85.37ms. Allocated memory is still 207.6MB. Free memory was 106.2MB in the beginning and 99.0MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 15:13:48,666 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 138.4MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 434.94ms. Allocated memory was 138.4MB in the beginning and 207.6MB in the end (delta: 69.2MB). Free memory was 66.0MB in the beginning and 170.4MB in the end (delta: -104.4MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.13ms. Allocated memory is still 207.6MB. Free memory was 170.4MB in the beginning and 168.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.02ms. Allocated memory is still 207.6MB. Free memory was 168.3MB in the beginning and 166.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 364.95ms. Allocated memory is still 207.6MB. Free memory was 166.2MB in the beginning and 149.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1211.71ms. Allocated memory is still 207.6MB. Free memory was 149.4MB in the beginning and 106.2MB in the end (delta: 43.1MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. * Witness Printer took 85.37ms. Allocated memory is still 207.6MB. Free memory was 106.2MB in the beginning and 99.0MB 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,"Test.i","") [49] - GenericResultAtLocation [Line: 155]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [155] - GenericResultAtLocation [Line: 521]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [521] - GenericResultAtLocation [Line: 605]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [605] - GenericResultAtLocation [Line: 614]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [614] - GenericResultAtLocation [Line: 649]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [649] - GenericResultAtLocation [Line: 689]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [689] - GenericResultAtLocation [Line: 760]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [760] * 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: 610]: 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, 82 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 146 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 142 mSDsluCounter, 720 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 394 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30 IncrementalHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 326 mSDtfsCounter, 30 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=3, InterpolantAutomatonStates: 15, 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, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 146 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: 702]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 701]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - ProcedureContractResult [Line: 831]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: 0 Ensures: (0 && ((((((cleanupTimeShifts == \old(cleanupTimeShifts)) && (head == \old(head))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 790]: Procedure Contract for processEnvironment__wrappee__base Derived contract for procedure processEnvironment__wrappee__base. Requires: ((pumpRunning == 0) && (0 != systemActive)) Ensures: (((pumpRunning == 0) && (0 != systemActive)) && (((((((cleanupTimeShifts == \old(cleanupTimeShifts)) && (head == \old(head))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 552]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((cleanupTimeShifts == \old(cleanupTimeShifts)) && (head == \old(head))) && (waterLevel == \old(waterLevel))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 564]: Procedure Contract for isMethaneLevelCritical Derived contract for procedure isMethaneLevelCritical. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((((cleanupTimeShifts == \old(cleanupTimeShifts)) && (head == \old(head))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 766]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && ((((cleanupTimeShifts == \old(cleanupTimeShifts)) && (head == \old(head))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 52]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((cleanupTimeShifts == \old(cleanupTimeShifts)) && (head == \old(head))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 540]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((cleanupTimeShifts == \old(cleanupTimeShifts)) && (head == \old(head))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) RESULT: Ultimate proved your program to be correct! [2024-11-08 15:13:48,687 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE