./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_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product31.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 bda183060f847dd51d7e0728c1fd62bc6790c04aa5197b907e94467526762377 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 03:08:05,532 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 03:08:05,585 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 03:08:05,591 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 03:08:05,593 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 03:08:05,629 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 03:08:05,629 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 03:08:05,629 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 03:08:05,630 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 03:08:05,631 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 03:08:05,632 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 03:08:05,632 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 03:08:05,633 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 03:08:05,634 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 03:08:05,634 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 03:08:05,635 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 03:08:05,635 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 03:08:05,635 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 03:08:05,635 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 03:08:05,635 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 03:08:05,635 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 03:08:05,638 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 03:08:05,638 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 03:08:05,638 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 03:08:05,638 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 03:08:05,638 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 03:08:05,638 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 03:08:05,638 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 03:08:05,639 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 03:08:05,639 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 03:08:05,639 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 03:08:05,639 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 03:08:05,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 03:08:05,639 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 03:08:05,639 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 03:08:05,639 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 03:08:05,640 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 03:08:05,640 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 03:08:05,640 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 03:08:05,640 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 03:08:05,640 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 03:08:05,642 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 03:08:05,642 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bda183060f847dd51d7e0728c1fd62bc6790c04aa5197b907e94467526762377 [2024-10-14 03:08:05,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 03:08:05,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 03:08:05,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 03:08:05,898 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 03:08:05,898 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 03:08:05,899 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2024-10-14 03:08:07,190 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 03:08:07,406 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 03:08:07,406 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2024-10-14 03:08:07,416 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9887b6a19/6329f39a542d40c3883c25be661035ee/FLAG1aaeeff12 [2024-10-14 03:08:07,427 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9887b6a19/6329f39a542d40c3883c25be661035ee [2024-10-14 03:08:07,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 03:08:07,430 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 03:08:07,431 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 03:08:07,431 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 03:08:07,435 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 03:08:07,436 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:08:07" (1/1) ... [2024-10-14 03:08:07,437 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e09aff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:08:07, skipping insertion in model container [2024-10-14 03:08:07,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:08:07" (1/1) ... [2024-10-14 03:08:07,476 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 03:08:07,616 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_product31.cil.c[2627,2640] [2024-10-14 03:08:07,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 03:08:07,709 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 03:08:07,721 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2024-10-14 03:08:07,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [121] [2024-10-14 03:08:07,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [130] [2024-10-14 03:08:07,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [349] [2024-10-14 03:08:07,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [387] [2024-10-14 03:08:07,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [753] [2024-10-14 03:08:07,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [792] [2024-10-14 03:08:07,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [889] [2024-10-14 03:08:07,731 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_product31.cil.c[2627,2640] [2024-10-14 03:08:07,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 03:08:07,807 INFO L204 MainTranslator]: Completed translation [2024-10-14 03:08:07,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:08:07 WrapperNode [2024-10-14 03:08:07,808 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 03:08:07,808 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 03:08:07,809 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 03:08:07,809 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 03:08:07,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:08:07" (1/1) ... [2024-10-14 03:08:07,827 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:08:07" (1/1) ... [2024-10-14 03:08:07,864 INFO L138 Inliner]: procedures = 56, calls = 102, calls flagged for inlining = 21, calls inlined = 17, statements flattened = 182 [2024-10-14 03:08:07,865 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 03:08:07,866 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 03:08:07,866 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 03:08:07,866 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 03:08:07,880 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:08:07" (1/1) ... [2024-10-14 03:08:07,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:08:07" (1/1) ... [2024-10-14 03:08:07,884 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:08:07" (1/1) ... [2024-10-14 03:08:07,901 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 03:08:07,903 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:08:07" (1/1) ... [2024-10-14 03:08:07,903 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:08:07" (1/1) ... [2024-10-14 03:08:07,907 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:08:07" (1/1) ... [2024-10-14 03:08:07,910 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:08:07" (1/1) ... [2024-10-14 03:08:07,910 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:08:07" (1/1) ... [2024-10-14 03:08:07,911 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:08:07" (1/1) ... [2024-10-14 03:08:07,913 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 03:08:07,917 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 03:08:07,917 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 03:08:07,917 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 03:08:07,918 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:08:07" (1/1) ... [2024-10-14 03:08:07,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 03:08:07,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:08:07,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 03:08:07,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 03:08:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 03:08:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-10-14 03:08:07,991 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-10-14 03:08:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-10-14 03:08:07,991 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-10-14 03:08:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-10-14 03:08:07,991 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-10-14 03:08:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-10-14 03:08:07,991 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-10-14 03:08:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-10-14 03:08:07,991 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-10-14 03:08:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2024-10-14 03:08:07,991 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2024-10-14 03:08:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2024-10-14 03:08:07,992 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2024-10-14 03:08:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-10-14 03:08:07,992 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-10-14 03:08:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 03:08:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-10-14 03:08:07,992 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-10-14 03:08:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 03:08:07,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 03:08:08,066 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 03:08:08,068 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 03:08:08,350 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-10-14 03:08:08,350 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 03:08:08,390 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 03:08:08,390 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-14 03:08:08,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:08:08 BoogieIcfgContainer [2024-10-14 03:08:08,391 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 03:08:08,396 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 03:08:08,396 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 03:08:08,399 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 03:08:08,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:08:07" (1/3) ... [2024-10-14 03:08:08,400 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41d60777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:08:08, skipping insertion in model container [2024-10-14 03:08:08,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:08:07" (2/3) ... [2024-10-14 03:08:08,400 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41d60777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:08:08, skipping insertion in model container [2024-10-14 03:08:08,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:08:08" (3/3) ... [2024-10-14 03:08:08,402 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product31.cil.c [2024-10-14 03:08:08,416 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 03:08:08,417 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 03:08:08,462 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 03:08:08,470 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;@7d1379bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 03:08:08,471 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 03:08:08,474 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 50 states have (on average 1.52) internal successors, (76), 59 states have internal predecessors, (76), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-14 03:08:08,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-14 03:08:08,481 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:08:08,482 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:08:08,482 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:08:08,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:08:08,490 INFO L85 PathProgramCache]: Analyzing trace with hash 977692372, now seen corresponding path program 1 times [2024-10-14 03:08:08,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:08:08,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126007680] [2024-10-14 03:08:08,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:08:08,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:08:08,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:08:08,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 03:08:08,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:08:08,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:08:08,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:08:08,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126007680] [2024-10-14 03:08:08,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126007680] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:08:08,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:08:08,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 03:08:08,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280753500] [2024-10-14 03:08:08,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:08:08,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 03:08:08,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:08:08,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 03:08:08,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 03:08:08,708 INFO L87 Difference]: Start difference. First operand has 77 states, 50 states have (on average 1.52) internal successors, (76), 59 states have internal predecessors, (76), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 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) [2024-10-14 03:08:08,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:08:08,780 INFO L93 Difference]: Finished difference Result 152 states and 217 transitions. [2024-10-14 03:08:08,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 03:08:08,783 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 [2024-10-14 03:08:08,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:08:08,789 INFO L225 Difference]: With dead ends: 152 [2024-10-14 03:08:08,790 INFO L226 Difference]: Without dead ends: 72 [2024-10-14 03:08:08,792 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 [2024-10-14 03:08:08,795 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:08:08,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:08:08,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-10-14 03:08:08,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-10-14 03:08:08,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 47 states have (on average 1.4042553191489362) internal successors, (66), 55 states have internal predecessors, (66), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-14 03:08:08,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 97 transitions. [2024-10-14 03:08:08,828 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 97 transitions. Word has length 17 [2024-10-14 03:08:08,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:08:08,828 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 97 transitions. [2024-10-14 03:08:08,828 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) [2024-10-14 03:08:08,829 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 97 transitions. [2024-10-14 03:08:08,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-14 03:08:08,830 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:08:08,830 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:08:08,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 03:08:08,831 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:08:08,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:08:08,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1371190922, now seen corresponding path program 1 times [2024-10-14 03:08:08,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:08:08,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820113775] [2024-10-14 03:08:08,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:08:08,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:08:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:08:08,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 03:08:08,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:08:08,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:08:08,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:08:08,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820113775] [2024-10-14 03:08:08,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820113775] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:08:08,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:08:08,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 03:08:08,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97008904] [2024-10-14 03:08:08,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:08:08,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 03:08:08,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:08:08,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 03:08:08,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:08:08,976 INFO L87 Difference]: Start difference. First operand 72 states and 97 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) [2024-10-14 03:08:09,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:08:09,019 INFO L93 Difference]: Finished difference Result 114 states and 152 transitions. [2024-10-14 03:08:09,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 03:08:09,019 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 [2024-10-14 03:08:09,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:08:09,020 INFO L225 Difference]: With dead ends: 114 [2024-10-14 03:08:09,020 INFO L226 Difference]: Without dead ends: 64 [2024-10-14 03:08:09,021 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 [2024-10-14 03:08:09,022 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 14 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:08:09,022 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 133 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:08:09,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-10-14 03:08:09,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-10-14 03:08:09,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 50 states have internal predecessors, (60), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-14 03:08:09,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 86 transitions. [2024-10-14 03:08:09,030 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 86 transitions. Word has length 18 [2024-10-14 03:08:09,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:08:09,030 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 86 transitions. [2024-10-14 03:08:09,030 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) [2024-10-14 03:08:09,030 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 86 transitions. [2024-10-14 03:08:09,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-14 03:08:09,031 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:08:09,031 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] [2024-10-14 03:08:09,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 03:08:09,032 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:08:09,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:08:09,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1870158362, now seen corresponding path program 1 times [2024-10-14 03:08:09,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:08:09,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406385094] [2024-10-14 03:08:09,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:08:09,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:08:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:08:09,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 03:08:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:08:09,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:08:09,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:08:09,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406385094] [2024-10-14 03:08:09,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406385094] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:08:09,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:08:09,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 03:08:09,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950570719] [2024-10-14 03:08:09,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:08:09,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 03:08:09,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:08:09,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 03:08:09,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:08:09,101 INFO L87 Difference]: Start difference. First operand 64 states and 86 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) [2024-10-14 03:08:09,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:08:09,158 INFO L93 Difference]: Finished difference Result 188 states and 255 transitions. [2024-10-14 03:08:09,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 03:08:09,159 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 [2024-10-14 03:08:09,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:08:09,161 INFO L225 Difference]: With dead ends: 188 [2024-10-14 03:08:09,161 INFO L226 Difference]: Without dead ends: 126 [2024-10-14 03:08:09,161 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:08:09,162 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 73 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:08:09,163 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 159 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:08:09,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-10-14 03:08:09,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 123. [2024-10-14 03:08:09,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 80 states have (on average 1.4375) internal successors, (115), 95 states have internal predecessors, (115), 26 states have call successors, (26), 16 states have call predecessors, (26), 16 states have return successors, (26), 17 states have call predecessors, (26), 26 states have call successors, (26) [2024-10-14 03:08:09,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 167 transitions. [2024-10-14 03:08:09,185 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 167 transitions. Word has length 21 [2024-10-14 03:08:09,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:08:09,185 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 167 transitions. [2024-10-14 03:08:09,185 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) [2024-10-14 03:08:09,185 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 167 transitions. [2024-10-14 03:08:09,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-14 03:08:09,186 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:08:09,186 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] [2024-10-14 03:08:09,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 03:08:09,187 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:08:09,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:08:09,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1633385258, now seen corresponding path program 1 times [2024-10-14 03:08:09,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:08:09,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48930055] [2024-10-14 03:08:09,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:08:09,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:08:09,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:08:09,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 03:08:09,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:08:09,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:08:09,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:08:09,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48930055] [2024-10-14 03:08:09,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48930055] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:08:09,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:08:09,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 03:08:09,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116808528] [2024-10-14 03:08:09,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:08:09,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 03:08:09,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:08:09,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 03:08:09,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 03:08:09,288 INFO L87 Difference]: Start difference. First operand 123 states and 167 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) [2024-10-14 03:08:09,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:08:09,339 INFO L93 Difference]: Finished difference Result 202 states and 275 transitions. [2024-10-14 03:08:09,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 03:08:09,340 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 [2024-10-14 03:08:09,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:08:09,340 INFO L225 Difference]: With dead ends: 202 [2024-10-14 03:08:09,340 INFO L226 Difference]: Without dead ends: 0 [2024-10-14 03:08:09,341 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 [2024-10-14 03:08:09,342 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 32 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:08:09,343 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 75 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:08:09,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-14 03:08:09,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-14 03:08:09,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:08:09,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-14 03:08:09,344 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2024-10-14 03:08:09,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:08:09,344 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-14 03:08:09,345 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) [2024-10-14 03:08:09,345 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-14 03:08:09,345 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-14 03:08:09,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-14 03:08:09,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 03:08:09,349 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-14 03:08:09,351 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-14 03:08:09,620 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 03:08:09,651 WARN L155 FloydHoareUtils]: Requires clause for timeShift contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= |old(~pumpRunning~0)| 0)) Eliminated clause: (= ~pumpRunning~0 0) [2024-10-14 03:08:09,655 WARN L155 FloydHoareUtils]: Requires clause for processEnvironment__wrappee__methaneQuery contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= |old(~pumpRunning~0)| 0)) Eliminated clause: (= ~pumpRunning~0 0) [2024-10-14 03:08:09,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 03:08:09 BoogieIcfgContainer [2024-10-14 03:08:09,658 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 03:08:09,659 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 03:08:09,661 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 03:08:09,661 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 03:08:09,661 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:08:08" (3/4) ... [2024-10-14 03:08:09,663 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 03:08:09,666 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-10-14 03:08:09,667 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-10-14 03:08:09,667 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-10-14 03:08:09,667 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-10-14 03:08:09,667 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-10-14 03:08:09,667 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-10-14 03:08:09,667 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-10-14 03:08:09,667 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2024-10-14 03:08:09,668 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2024-10-14 03:08:09,674 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2024-10-14 03:08:09,676 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-10-14 03:08:09,677 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-14 03:08:09,678 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 03:08:09,678 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 03:08:09,762 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 03:08:09,762 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 03:08:09,763 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 03:08:09,763 INFO L158 Benchmark]: Toolchain (without parser) took 2332.90ms. Allocated memory was 169.9MB in the beginning and 216.0MB in the end (delta: 46.1MB). Free memory was 137.5MB in the beginning and 143.6MB in the end (delta: -6.1MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2024-10-14 03:08:09,763 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 169.9MB. Free memory was 137.2MB in the beginning and 137.1MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 03:08:09,764 INFO L158 Benchmark]: CACSL2BoogieTranslator took 376.67ms. Allocated memory is still 169.9MB. Free memory was 136.8MB in the beginning and 116.7MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-14 03:08:09,764 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.58ms. Allocated memory is still 169.9MB. Free memory was 116.7MB in the beginning and 114.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 03:08:09,764 INFO L158 Benchmark]: Boogie Preprocessor took 47.55ms. Allocated memory is still 169.9MB. Free memory was 114.6MB in the beginning and 112.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 03:08:09,764 INFO L158 Benchmark]: RCFGBuilder took 474.72ms. Allocated memory is still 169.9MB. Free memory was 112.5MB in the beginning and 121.9MB in the end (delta: -9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-14 03:08:09,765 INFO L158 Benchmark]: TraceAbstraction took 1262.27ms. Allocated memory was 169.9MB in the beginning and 216.0MB in the end (delta: 46.1MB). Free memory was 121.9MB in the beginning and 152.0MB in the end (delta: -30.1MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2024-10-14 03:08:09,765 INFO L158 Benchmark]: Witness Printer took 104.19ms. Allocated memory is still 216.0MB. Free memory was 152.0MB in the beginning and 143.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-14 03:08:09,766 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 169.9MB. Free memory was 137.2MB in the beginning and 137.1MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 376.67ms. Allocated memory is still 169.9MB. Free memory was 136.8MB in the beginning and 116.7MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.58ms. Allocated memory is still 169.9MB. Free memory was 116.7MB in the beginning and 114.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.55ms. Allocated memory is still 169.9MB. Free memory was 114.6MB in the beginning and 112.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 474.72ms. Allocated memory is still 169.9MB. Free memory was 112.5MB in the beginning and 121.9MB in the end (delta: -9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1262.27ms. Allocated memory was 169.9MB in the beginning and 216.0MB in the end (delta: 46.1MB). Free memory was 121.9MB in the beginning and 152.0MB in the end (delta: -30.1MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Witness Printer took 104.19ms. Allocated memory is still 216.0MB. Free memory was 152.0MB in the beginning and 143.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] - GenericResultAtLocation [Line: 121]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [121] - GenericResultAtLocation [Line: 130]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [130] - GenericResultAtLocation [Line: 349]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [349] - GenericResultAtLocation [Line: 387]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [387] - GenericResultAtLocation [Line: 753]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [753] - GenericResultAtLocation [Line: 792]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [792] - GenericResultAtLocation [Line: 889]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [889] * 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: 126]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 123 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 119 mSDsluCounter, 456 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 168 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 82 IncrementalHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 288 mSDtfsCounter, 82 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=123occurred in iteration=3, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 140 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: 65]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Location Invariant Derived location invariant: 0 - ProcedureContractResult [Line: 251]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 167]: Procedure Contract for processEnvironment__wrappee__base Derived contract for procedure processEnvironment__wrappee__base. Requires: (pumpRunning == 0) Ensures: (pumpRunning == 0) - ProcedureContractResult [Line: 917]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (pumpRunning == 0) Ensures: (pumpRunning == 0) - ProcedureContractResult [Line: 929]: Procedure Contract for isMethaneLevelCritical Derived contract for procedure isMethaneLevelCritical. Requires: (pumpRunning == 0) Ensures: (pumpRunning == 0) - ProcedureContractResult [Line: 794]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 143]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (\old(pumpRunning) == 0)) - ProcedureContractResult [Line: 905]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: (pumpRunning == 0) Ensures: (pumpRunning == 0) - ProcedureContractResult [Line: 175]: Procedure Contract for processEnvironment__wrappee__methaneQuery Derived contract for procedure processEnvironment__wrappee__methaneQuery. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (\old(pumpRunning) == 0)) - ProcedureContractResult [Line: 259]: Procedure Contract for isMethaneAlarm Derived contract for procedure isMethaneAlarm. Requires: 0 Ensures: 0 RESULT: Ultimate proved your program to be correct! [2024-10-14 03:08:09,789 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE