./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_spec2_product08.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 87d91e56d61e49620ea5a2c0236a89cbd5cce3c0ef7c136160e7b734dcc26431 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 02:58:16,224 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 02:58:16,310 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 02:58:16,315 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 02:58:16,315 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 02:58:16,346 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 02:58:16,346 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 02:58:16,347 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 02:58:16,347 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 02:58:16,348 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 02:58:16,348 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 02:58:16,349 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 02:58:16,349 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 02:58:16,350 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 02:58:16,350 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 02:58:16,351 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 02:58:16,351 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 02:58:16,355 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 02:58:16,355 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 02:58:16,356 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 02:58:16,356 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 02:58:16,359 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 02:58:16,359 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 02:58:16,359 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 02:58:16,360 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 02:58:16,360 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 02:58:16,360 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 02:58:16,370 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 02:58:16,370 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 02:58:16,371 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 02:58:16,371 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 02:58:16,371 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 02:58:16,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 02:58:16,371 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 02:58:16,372 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 02:58:16,372 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 02:58:16,372 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 02:58:16,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 02:58:16,372 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 02:58:16,372 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 02:58:16,373 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 02:58:16,375 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 02:58:16,375 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87d91e56d61e49620ea5a2c0236a89cbd5cce3c0ef7c136160e7b734dcc26431 [2024-10-11 02:58:16,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 02:58:16,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 02:58:16,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 02:58:16,672 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 02:58:16,673 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 02:58:16,674 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c [2024-10-11 02:58:18,176 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 02:58:18,394 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 02:58:18,394 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c [2024-10-11 02:58:18,406 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/d3ce53984/f677d8af8d034a4a9496ae996c1ac109/FLAG541b0cf29 [2024-10-11 02:58:18,419 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/d3ce53984/f677d8af8d034a4a9496ae996c1ac109 [2024-10-11 02:58:18,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 02:58:18,422 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 02:58:18,424 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 02:58:18,424 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 02:58:18,429 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 02:58:18,430 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:58:18" (1/1) ... [2024-10-11 02:58:18,432 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@794214ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:58:18, skipping insertion in model container [2024-10-11 02:58:18,433 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:58:18" (1/1) ... [2024-10-11 02:58:18,470 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 02:58:18,765 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_spec2_product08.cil.c[13819,13832] [2024-10-11 02:58:18,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 02:58:18,809 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 02:58:18,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-10-11 02:58:18,820 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [155] [2024-10-11 02:58:18,821 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [521] [2024-10-11 02:58:18,821 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [605] [2024-10-11 02:58:18,821 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [614] [2024-10-11 02:58:18,821 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [649] [2024-10-11 02:58:18,821 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [689] [2024-10-11 02:58:18,822 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [760] [2024-10-11 02:58:18,880 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_spec2_product08.cil.c[13819,13832] [2024-10-11 02:58:18,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 02:58:18,907 INFO L204 MainTranslator]: Completed translation [2024-10-11 02:58:18,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:58:18 WrapperNode [2024-10-11 02:58:18,908 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 02:58:18,908 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 02:58:18,908 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 02:58:18,909 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 02:58:18,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:58:18" (1/1) ... [2024-10-11 02:58:18,929 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:58:18" (1/1) ... [2024-10-11 02:58:18,951 INFO L138 Inliner]: procedures = 53, calls = 96, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 162 [2024-10-11 02:58:18,951 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 02:58:18,952 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 02:58:18,952 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 02:58:18,953 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 02:58:18,967 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:58:18" (1/1) ... [2024-10-11 02:58:18,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:58:18" (1/1) ... [2024-10-11 02:58:18,969 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:58:18" (1/1) ... [2024-10-11 02:58:18,987 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 02:58:18,987 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:58:18" (1/1) ... [2024-10-11 02:58:18,988 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:58:18" (1/1) ... [2024-10-11 02:58:18,992 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:58:18" (1/1) ... [2024-10-11 02:58:19,000 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:58:18" (1/1) ... [2024-10-11 02:58:19,001 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:58:18" (1/1) ... [2024-10-11 02:58:19,003 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:58:18" (1/1) ... [2024-10-11 02:58:19,005 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 02:58:19,006 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 02:58:19,006 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 02:58:19,006 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 02:58:19,007 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:58:18" (1/1) ... [2024-10-11 02:58:19,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 02:58:19,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:58:19,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 02:58:19,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 02:58:19,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 02:58:19,111 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-10-11 02:58:19,111 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-10-11 02:58:19,111 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-10-11 02:58:19,111 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-10-11 02:58:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-10-11 02:58:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-10-11 02:58:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-10-11 02:58:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-10-11 02:58:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-10-11 02:58:19,113 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-10-11 02:58:19,113 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-10-11 02:58:19,113 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-10-11 02:58:19,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 02:58:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-10-11 02:58:19,114 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-10-11 02:58:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 02:58:19,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 02:58:19,202 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 02:58:19,204 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 02:58:19,476 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-10-11 02:58:19,477 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 02:58:19,544 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 02:58:19,545 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-11 02:58:19,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:58:19 BoogieIcfgContainer [2024-10-11 02:58:19,546 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 02:58:19,548 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 02:58:19,548 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 02:58:19,552 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 02:58:19,552 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:58:18" (1/3) ... [2024-10-11 02:58:19,553 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c502193 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:58:19, skipping insertion in model container [2024-10-11 02:58:19,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:58:18" (2/3) ... [2024-10-11 02:58:19,555 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c502193 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:58:19, skipping insertion in model container [2024-10-11 02:58:19,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:58:19" (3/3) ... [2024-10-11 02:58:19,557 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product08.cil.c [2024-10-11 02:58:19,583 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 02:58:19,583 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 02:58:19,638 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 02:58:19,645 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;@67f7c4aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 02:58:19,645 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 02:58:19,651 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 42 states have (on average 1.5476190476190477) internal successors, (65), 49 states have internal predecessors, (65), 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) [2024-10-11 02:58:19,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-11 02:58:19,660 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:58:19,660 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:58:19,661 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:58:19,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:58:19,666 INFO L85 PathProgramCache]: Analyzing trace with hash -2028122174, now seen corresponding path program 1 times [2024-10-11 02:58:19,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:58:19,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119135801] [2024-10-11 02:58:19,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:58:19,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:58:19,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:19,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 02:58:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:19,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 02:58:19,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:58:19,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119135801] [2024-10-11 02:58:19,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119135801] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:58:19,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:58:19,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 02:58:19,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572497768] [2024-10-11 02:58:19,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:58:19,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 02:58:19,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:58:19,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 02:58:19,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 02:58:19,894 INFO L87 Difference]: Start difference. First operand has 63 states, 42 states have (on average 1.5476190476190477) internal successors, (65), 49 states have internal predecessors, (65), 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 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 02:58:19,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:58:19,954 INFO L93 Difference]: Finished difference Result 124 states and 179 transitions. [2024-10-11 02:58:19,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 02:58:19,957 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-10-11 02:58:19,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:58:19,965 INFO L225 Difference]: With dead ends: 124 [2024-10-11 02:58:19,965 INFO L226 Difference]: Without dead ends: 58 [2024-10-11 02:58:19,969 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 02:58:19,973 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:58:19,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 02:58:19,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-10-11 02:58:20,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-10-11 02:58:20,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 45 states have internal predecessors, (55), 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) [2024-10-11 02:58:20,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 78 transitions. [2024-10-11 02:58:20,023 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 78 transitions. Word has length 17 [2024-10-11 02:58:20,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:58:20,023 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 78 transitions. [2024-10-11 02:58:20,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 02:58:20,024 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2024-10-11 02:58:20,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-11 02:58:20,026 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:58:20,026 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:58:20,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 02:58:20,026 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:58:20,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:58:20,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1740677726, now seen corresponding path program 1 times [2024-10-11 02:58:20,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:58:20,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979844303] [2024-10-11 02:58:20,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:58:20,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:58:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:20,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 02:58:20,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:20,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 02:58:20,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:58:20,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979844303] [2024-10-11 02:58:20,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979844303] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:58:20,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:58:20,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 02:58:20,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812767115] [2024-10-11 02:58:20,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:58:20,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 02:58:20,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:58:20,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 02:58:20,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 02:58:20,233 INFO L87 Difference]: Start difference. First operand 58 states and 78 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 02:58:20,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:58:20,277 INFO L93 Difference]: Finished difference Result 86 states and 114 transitions. [2024-10-11 02:58:20,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 02:58:20,278 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 18 [2024-10-11 02:58:20,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:58:20,279 INFO L225 Difference]: With dead ends: 86 [2024-10-11 02:58:20,279 INFO L226 Difference]: Without dead ends: 50 [2024-10-11 02:58:20,280 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 02:58:20,283 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 14 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:58:20,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 98 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 02:58:20,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-10-11 02:58:20,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-10-11 02:58:20,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 40 states have internal predecessors, (49), 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) [2024-10-11 02:58:20,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 67 transitions. [2024-10-11 02:58:20,298 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 67 transitions. Word has length 18 [2024-10-11 02:58:20,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:58:20,298 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 67 transitions. [2024-10-11 02:58:20,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 02:58:20,299 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2024-10-11 02:58:20,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-11 02:58:20,300 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:58:20,300 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] [2024-10-11 02:58:20,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 02:58:20,301 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:58:20,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:58:20,302 INFO L85 PathProgramCache]: Analyzing trace with hash 2053871398, now seen corresponding path program 1 times [2024-10-11 02:58:20,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:58:20,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11179056] [2024-10-11 02:58:20,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:58:20,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:58:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:20,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 02:58:20,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:20,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 02:58:20,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:58:20,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11179056] [2024-10-11 02:58:20,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11179056] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:58:20,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:58:20,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 02:58:20,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972350813] [2024-10-11 02:58:20,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:58:20,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 02:58:20,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:58:20,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 02:58:20,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 02:58:20,431 INFO L87 Difference]: Start difference. First operand 50 states and 67 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 02:58:20,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:58:20,513 INFO L93 Difference]: Finished difference Result 146 states and 198 transitions. [2024-10-11 02:58:20,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 02:58:20,514 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 21 [2024-10-11 02:58:20,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:58:20,516 INFO L225 Difference]: With dead ends: 146 [2024-10-11 02:58:20,516 INFO L226 Difference]: Without dead ends: 98 [2024-10-11 02:58:20,516 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 02:58:20,518 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 61 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 02:58:20,518 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 123 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 02:58:20,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-10-11 02:58:20,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 95. [2024-10-11 02:58:20,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 64 states have (on average 1.453125) internal successors, (93), 75 states have internal predecessors, (93), 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) [2024-10-11 02:58:20,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 129 transitions. [2024-10-11 02:58:20,546 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 129 transitions. Word has length 21 [2024-10-11 02:58:20,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:58:20,547 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 129 transitions. [2024-10-11 02:58:20,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 02:58:20,548 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 129 transitions. [2024-10-11 02:58:20,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-11 02:58:20,549 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:58:20,549 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] [2024-10-11 02:58:20,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 02:58:20,551 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:58:20,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:58:20,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1009288342, now seen corresponding path program 1 times [2024-10-11 02:58:20,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:58:20,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203957307] [2024-10-11 02:58:20,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:58:20,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:58:20,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:20,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 02:58:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:20,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 02:58:20,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:58:20,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203957307] [2024-10-11 02:58:20,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203957307] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:58:20,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:58:20,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 02:58:20,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396318460] [2024-10-11 02:58:20,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:58:20,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 02:58:20,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:58:20,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 02:58:20,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 02:58:20,707 INFO L87 Difference]: Start difference. First operand 95 states and 129 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 02:58:20,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:58:20,795 INFO L93 Difference]: Finished difference Result 164 states and 223 transitions. [2024-10-11 02:58:20,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 02:58:20,796 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2024-10-11 02:58:20,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:58:20,797 INFO L225 Difference]: With dead ends: 164 [2024-10-11 02:58:20,797 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 02:58:20,799 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 02:58:20,799 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 27 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:58:20,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 65 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 02:58:20,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 02:58:20,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 02:58:20,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 02:58:20,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 02:58:20,803 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2024-10-11 02:58:20,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:58:20,803 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 02:58:20,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 02:58:20,804 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 02:58:20,804 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 02:58:20,807 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 02:58:20,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 02:58:20,810 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-11 02:58:20,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-11 02:58:21,126 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 02:58:21,150 WARN L155 FloydHoareUtils]: Requires clause for timeShift contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= |old(~pumpRunning~0)| 0)) Eliminated clause: (= ~pumpRunning~0 0) [2024-10-11 02:58:21,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:58:21 BoogieIcfgContainer [2024-10-11 02:58:21,153 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 02:58:21,156 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 02:58:21,157 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 02:58:21,157 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 02:58:21,157 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:58:19" (3/4) ... [2024-10-11 02:58:21,159 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 02:58:21,163 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-10-11 02:58:21,163 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-10-11 02:58:21,163 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-10-11 02:58:21,163 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-10-11 02:58:21,163 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-10-11 02:58:21,163 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-10-11 02:58:21,163 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-10-11 02:58:21,168 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2024-10-11 02:58:21,168 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-10-11 02:58:21,169 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-11 02:58:21,169 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 02:58:21,170 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 02:58:21,288 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 02:58:21,288 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 02:58:21,288 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 02:58:21,289 INFO L158 Benchmark]: Toolchain (without parser) took 2866.30ms. Allocated memory was 184.5MB in the beginning and 245.4MB in the end (delta: 60.8MB). Free memory was 127.2MB in the beginning and 153.2MB in the end (delta: -26.0MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2024-10-11 02:58:21,289 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 184.5MB. Free memory is still 149.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 02:58:21,289 INFO L158 Benchmark]: CACSL2BoogieTranslator took 484.18ms. Allocated memory is still 184.5MB. Free memory was 127.2MB in the beginning and 106.6MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-11 02:58:21,290 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.29ms. Allocated memory is still 184.5MB. Free memory was 106.6MB in the beginning and 104.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 02:58:21,290 INFO L158 Benchmark]: Boogie Preprocessor took 52.82ms. Allocated memory is still 184.5MB. Free memory was 104.5MB in the beginning and 102.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 02:58:21,291 INFO L158 Benchmark]: RCFGBuilder took 539.98ms. Allocated memory is still 184.5MB. Free memory was 102.0MB in the beginning and 80.6MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-11 02:58:21,292 INFO L158 Benchmark]: TraceAbstraction took 1604.84ms. Allocated memory was 184.5MB in the beginning and 245.4MB in the end (delta: 60.8MB). Free memory was 79.8MB in the beginning and 160.5MB in the end (delta: -80.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 02:58:21,292 INFO L158 Benchmark]: Witness Printer took 131.83ms. Allocated memory is still 245.4MB. Free memory was 160.5MB in the beginning and 153.2MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-11 02:58:21,294 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 184.5MB. Free memory is still 149.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 484.18ms. Allocated memory is still 184.5MB. Free memory was 127.2MB in the beginning and 106.6MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.29ms. Allocated memory is still 184.5MB. Free memory was 106.6MB in the beginning and 104.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.82ms. Allocated memory is still 184.5MB. Free memory was 104.5MB in the beginning and 102.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 539.98ms. Allocated memory is still 184.5MB. Free memory was 102.0MB in the beginning and 80.6MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1604.84ms. Allocated memory was 184.5MB in the beginning and 245.4MB in the end (delta: 60.8MB). Free memory was 79.8MB in the beginning and 160.5MB in the end (delta: -80.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 131.83ms. Allocated memory is still 245.4MB. Free memory was 160.5MB in the beginning and 153.2MB 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, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 106 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 102 mSDsluCounter, 357 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 128 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 75 IncrementalHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 229 mSDtfsCounter, 75 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=3, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 124 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 - ProcedureContractResult [Line: 790]: Procedure Contract for processEnvironment__wrappee__base Derived contract for procedure processEnvironment__wrappee__base. Requires: (pumpRunning == 0) Ensures: (pumpRunning == 0) - ProcedureContractResult [Line: 552]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (pumpRunning == 0) Ensures: (pumpRunning == 0) - ProcedureContractResult [Line: 564]: Procedure Contract for isMethaneLevelCritical Derived contract for procedure isMethaneLevelCritical. Requires: (pumpRunning == 0) Ensures: (pumpRunning == 0) - ProcedureContractResult [Line: 766]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (\old(pumpRunning) == 0)) - ProcedureContractResult [Line: 52]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 540]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: (pumpRunning == 0) Ensures: (pumpRunning == 0) RESULT: Ultimate proved your program to be correct! [2024-10-11 02:58:21,329 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE