./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product15.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 b3a4aa0a64a11d3b7b81c5ee8a5dcc493ccc0b2960eb3b0afebe24ff9bf9af68 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 02:57:10,718 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 02:57:10,800 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 02:57:10,804 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 02:57:10,805 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 02:57:10,838 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 02:57:10,839 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 02:57:10,839 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 02:57:10,840 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 02:57:10,841 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 02:57:10,841 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 02:57:10,842 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 02:57:10,842 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 02:57:10,843 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 02:57:10,844 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 02:57:10,845 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 02:57:10,845 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 02:57:10,845 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 02:57:10,845 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 02:57:10,846 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 02:57:10,846 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 02:57:10,850 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 02:57:10,850 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 02:57:10,850 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 02:57:10,851 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 02:57:10,851 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 02:57:10,851 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 02:57:10,851 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 02:57:10,852 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 02:57:10,852 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 02:57:10,852 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 02:57:10,853 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 02:57:10,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 02:57:10,853 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 02:57:10,854 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 02:57:10,854 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 02:57:10,854 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 02:57:10,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 02:57:10,855 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 02:57:10,855 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 02:57:10,855 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 02:57:10,856 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 02:57:10,856 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3a4aa0a64a11d3b7b81c5ee8a5dcc493ccc0b2960eb3b0afebe24ff9bf9af68 [2024-10-11 02:57:11,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 02:57:11,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 02:57:11,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 02:57:11,148 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 02:57:11,148 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 02:57:11,150 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c [2024-10-11 02:57:12,590 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 02:57:12,825 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 02:57:12,825 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c [2024-10-11 02:57:12,840 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/2d29c8dcf/108b14e247ee4eb8adfc7a96791a02f1/FLAG3af60aafd [2024-10-11 02:57:12,856 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/2d29c8dcf/108b14e247ee4eb8adfc7a96791a02f1 [2024-10-11 02:57:12,860 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 02:57:12,861 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 02:57:12,868 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 02:57:12,868 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 02:57:12,873 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 02:57:12,874 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:57:12" (1/1) ... [2024-10-11 02:57:12,875 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6afa5a32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:57:12, skipping insertion in model container [2024-10-11 02:57:12,877 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:57:12" (1/1) ... [2024-10-11 02:57:12,926 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 02:57:13,121 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c[4901,4914] [2024-10-11 02:57:13,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 02:57:13,239 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 02:57:13,249 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-10-11 02:57:13,251 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [153] [2024-10-11 02:57:13,251 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [237] [2024-10-11 02:57:13,252 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [272] [2024-10-11 02:57:13,252 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [300] [2024-10-11 02:57:13,252 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [309] [2024-10-11 02:57:13,252 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [477] [2024-10-11 02:57:13,252 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [544] [2024-10-11 02:57:13,275 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c[4901,4914] [2024-10-11 02:57:13,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 02:57:13,386 INFO L204 MainTranslator]: Completed translation [2024-10-11 02:57:13,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:57:13 WrapperNode [2024-10-11 02:57:13,387 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 02:57:13,388 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 02:57:13,389 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 02:57:13,389 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 02:57:13,397 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:57:13" (1/1) ... [2024-10-11 02:57:13,417 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:57:13" (1/1) ... [2024-10-11 02:57:13,457 INFO L138 Inliner]: procedures = 52, calls = 96, calls flagged for inlining = 18, calls inlined = 14, statements flattened = 142 [2024-10-11 02:57:13,457 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 02:57:13,458 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 02:57:13,458 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 02:57:13,458 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 02:57:13,467 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:57:13" (1/1) ... [2024-10-11 02:57:13,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:57:13" (1/1) ... [2024-10-11 02:57:13,469 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:57:13" (1/1) ... [2024-10-11 02:57:13,489 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 02:57:13,493 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:57:13" (1/1) ... [2024-10-11 02:57:13,494 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:57:13" (1/1) ... [2024-10-11 02:57:13,505 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:57:13" (1/1) ... [2024-10-11 02:57:13,514 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:57:13" (1/1) ... [2024-10-11 02:57:13,517 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:57:13" (1/1) ... [2024-10-11 02:57:13,518 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:57:13" (1/1) ... [2024-10-11 02:57:13,524 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 02:57:13,525 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 02:57:13,525 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 02:57:13,525 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 02:57:13,526 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:57:13" (1/1) ... [2024-10-11 02:57:13,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 02:57:13,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:57:13,559 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 02:57:13,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 02:57:13,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 02:57:13,607 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-10-11 02:57:13,607 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-10-11 02:57:13,607 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-10-11 02:57:13,607 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-10-11 02:57:13,607 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-10-11 02:57:13,607 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-10-11 02:57:13,607 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-10-11 02:57:13,608 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-10-11 02:57:13,608 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2024-10-11 02:57:13,608 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2024-10-11 02:57:13,608 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2024-10-11 02:57:13,608 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2024-10-11 02:57:13,608 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-10-11 02:57:13,608 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-10-11 02:57:13,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 02:57:13,609 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-10-11 02:57:13,609 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-10-11 02:57:13,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 02:57:13,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 02:57:13,672 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 02:57:13,675 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 02:57:13,861 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-10-11 02:57:13,862 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 02:57:13,948 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 02:57:13,949 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-11 02:57:13,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:57:13 BoogieIcfgContainer [2024-10-11 02:57:13,949 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 02:57:13,955 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 02:57:13,955 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 02:57:13,959 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 02:57:13,959 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:57:12" (1/3) ... [2024-10-11 02:57:13,959 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fb9ba7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:57:13, skipping insertion in model container [2024-10-11 02:57:13,959 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:57:13" (2/3) ... [2024-10-11 02:57:13,960 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fb9ba7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:57:13, skipping insertion in model container [2024-10-11 02:57:13,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:57:13" (3/3) ... [2024-10-11 02:57:13,965 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product15.cil.c [2024-10-11 02:57:13,981 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 02:57:13,982 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 02:57:14,038 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 02:57:14,045 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;@e607c69, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 02:57:14,045 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 02:57:14,050 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 43 states have (on average 1.5116279069767442) internal successors, (65), 50 states have internal predecessors, (65), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 02:57:14,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-11 02:57:14,059 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:57:14,060 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:57:14,060 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:57:14,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:57:14,065 INFO L85 PathProgramCache]: Analyzing trace with hash -469161257, now seen corresponding path program 1 times [2024-10-11 02:57:14,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:57:14,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253472339] [2024-10-11 02:57:14,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:57:14,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:57:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:57:14,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 02:57:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:57:14,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 02:57:14,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:57:14,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253472339] [2024-10-11 02:57:14,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253472339] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:57:14,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:57:14,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 02:57:14,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159751556] [2024-10-11 02:57:14,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:57:14,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 02:57:14,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:57:14,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 02:57:14,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 02:57:14,327 INFO L87 Difference]: Start difference. First operand has 66 states, 43 states have (on average 1.5116279069767442) internal successors, (65), 50 states have internal predecessors, (65), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 02:57:14,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:57:14,398 INFO L93 Difference]: Finished difference Result 130 states and 183 transitions. [2024-10-11 02:57:14,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 02:57:14,401 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2024-10-11 02:57:14,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:57:14,411 INFO L225 Difference]: With dead ends: 130 [2024-10-11 02:57:14,411 INFO L226 Difference]: Without dead ends: 61 [2024-10-11 02:57:14,416 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 02:57:14,421 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:57:14,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 02:57:14,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-10-11 02:57:14,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-10-11 02:57:14,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 40 states have (on average 1.375) internal successors, (55), 46 states have internal predecessors, (55), 13 states have call successors, (13), 8 states have call predecessors, (13), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 02:57:14,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 80 transitions. [2024-10-11 02:57:14,473 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 80 transitions. Word has length 16 [2024-10-11 02:57:14,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:57:14,475 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 80 transitions. [2024-10-11 02:57:14,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 02:57:14,476 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2024-10-11 02:57:14,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-11 02:57:14,478 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:57:14,478 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:57:14,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 02:57:14,479 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:57:14,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:57:14,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1880607438, now seen corresponding path program 1 times [2024-10-11 02:57:14,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:57:14,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415638598] [2024-10-11 02:57:14,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:57:14,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:57:14,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:57:14,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 02:57:14,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:57:14,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 02:57:14,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:57:14,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415638598] [2024-10-11 02:57:14,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415638598] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:57:14,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:57:14,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 02:57:14,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319463344] [2024-10-11 02:57:14,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:57:14,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 02:57:14,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:57:14,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 02:57:14,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 02:57:14,668 INFO L87 Difference]: Start difference. First operand 61 states and 80 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 02:57:14,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:57:14,708 INFO L93 Difference]: Finished difference Result 92 states and 118 transitions. [2024-10-11 02:57:14,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 02:57:14,708 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-10-11 02:57:14,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:57:14,709 INFO L225 Difference]: With dead ends: 92 [2024-10-11 02:57:14,709 INFO L226 Difference]: Without dead ends: 53 [2024-10-11 02:57:14,710 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 02:57:14,711 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 14 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:57:14,711 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 103 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 02:57:14,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-10-11 02:57:14,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-10-11 02:57:14,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 35 states have (on average 1.4) internal successors, (49), 41 states have internal predecessors, (49), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 02:57:14,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 69 transitions. [2024-10-11 02:57:14,727 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 69 transitions. Word has length 17 [2024-10-11 02:57:14,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:57:14,728 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 69 transitions. [2024-10-11 02:57:14,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 02:57:14,728 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2024-10-11 02:57:14,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-11 02:57:14,731 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:57:14,731 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:57:14,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 02:57:14,731 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:57:14,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:57:14,732 INFO L85 PathProgramCache]: Analyzing trace with hash 664896579, now seen corresponding path program 1 times [2024-10-11 02:57:14,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:57:14,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703444209] [2024-10-11 02:57:14,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:57:14,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:57:14,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:57:14,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 02:57:14,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:57:14,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 02:57:14,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:57:14,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703444209] [2024-10-11 02:57:14,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703444209] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:57:14,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:57:14,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 02:57:14,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495889982] [2024-10-11 02:57:14,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:57:14,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 02:57:14,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:57:14,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 02:57:14,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 02:57:14,844 INFO L87 Difference]: Start difference. First operand 53 states and 69 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 02:57:14,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:57:14,910 INFO L93 Difference]: Finished difference Result 155 states and 204 transitions. [2024-10-11 02:57:14,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 02:57:14,912 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2024-10-11 02:57:14,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:57:14,915 INFO L225 Difference]: With dead ends: 155 [2024-10-11 02:57:14,915 INFO L226 Difference]: Without dead ends: 104 [2024-10-11 02:57:14,915 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 02:57:14,916 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 56 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:57:14,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 126 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 02:57:14,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-10-11 02:57:14,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 101. [2024-10-11 02:57:14,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 66 states have (on average 1.4090909090909092) internal successors, (93), 77 states have internal predecessors, (93), 20 states have call successors, (20), 14 states have call predecessors, (20), 14 states have return successors, (20), 15 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-11 02:57:14,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 133 transitions. [2024-10-11 02:57:14,940 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 133 transitions. Word has length 20 [2024-10-11 02:57:14,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:57:14,941 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 133 transitions. [2024-10-11 02:57:14,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 02:57:14,941 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 133 transitions. [2024-10-11 02:57:14,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-11 02:57:14,942 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:57:14,945 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:57:14,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 02:57:14,946 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:57:14,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:57:14,947 INFO L85 PathProgramCache]: Analyzing trace with hash -18831280, now seen corresponding path program 1 times [2024-10-11 02:57:14,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:57:14,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556633578] [2024-10-11 02:57:14,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:57:14,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:57:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:57:15,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 02:57:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:57:15,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 02:57:15,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:57:15,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556633578] [2024-10-11 02:57:15,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556633578] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:57:15,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:57:15,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 02:57:15,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873956241] [2024-10-11 02:57:15,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:57:15,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 02:57:15,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:57:15,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 02:57:15,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 02:57:15,077 INFO L87 Difference]: Start difference. First operand 101 states and 133 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 02:57:15,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:57:15,142 INFO L93 Difference]: Finished difference Result 170 states and 227 transitions. [2024-10-11 02:57:15,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 02:57:15,146 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2024-10-11 02:57:15,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:57:15,147 INFO L225 Difference]: With dead ends: 170 [2024-10-11 02:57:15,147 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 02:57:15,148 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 02:57:15,149 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 27 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:57:15,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 67 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 02:57:15,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 02:57:15,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 02:57:15,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 02:57:15,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 02:57:15,151 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2024-10-11 02:57:15,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:57:15,152 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 02:57:15,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 02:57:15,152 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 02:57:15,152 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 02:57:15,155 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 02:57:15,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 02:57:15,158 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-11 02:57:15,160 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-11 02:57:15,473 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 02:57:15,508 WARN L155 FloydHoareUtils]: Requires clause for timeShift contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= |old(~pumpRunning~0)| 0)) Eliminated clause: (= ~pumpRunning~0 0) [2024-10-11 02:57:15,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:57:15 BoogieIcfgContainer [2024-10-11 02:57:15,516 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 02:57:15,516 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 02:57:15,516 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 02:57:15,517 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 02:57:15,517 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:57:13" (3/4) ... [2024-10-11 02:57:15,521 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 02:57:15,525 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-10-11 02:57:15,525 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-10-11 02:57:15,525 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-10-11 02:57:15,525 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-10-11 02:57:15,525 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-10-11 02:57:15,525 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-10-11 02:57:15,525 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2024-10-11 02:57:15,525 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2024-10-11 02:57:15,531 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2024-10-11 02:57:15,534 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-10-11 02:57:15,534 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-11 02:57:15,534 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 02:57:15,534 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 02:57:15,642 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 02:57:15,642 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 02:57:15,643 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 02:57:15,643 INFO L158 Benchmark]: Toolchain (without parser) took 2781.80ms. Allocated memory was 161.5MB in the beginning and 218.1MB in the end (delta: 56.6MB). Free memory was 90.3MB in the beginning and 121.1MB in the end (delta: -30.8MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2024-10-11 02:57:15,644 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 161.5MB. Free memory is still 111.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 02:57:15,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 520.17ms. Allocated memory was 161.5MB in the beginning and 218.1MB in the end (delta: 56.6MB). Free memory was 90.1MB in the beginning and 185.5MB in the end (delta: -95.4MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2024-10-11 02:57:15,644 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.00ms. Allocated memory is still 218.1MB. Free memory was 185.5MB in the beginning and 183.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 02:57:15,645 INFO L158 Benchmark]: Boogie Preprocessor took 66.03ms. Allocated memory is still 218.1MB. Free memory was 183.4MB in the beginning and 181.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 02:57:15,645 INFO L158 Benchmark]: RCFGBuilder took 424.60ms. Allocated memory is still 218.1MB. Free memory was 181.3MB in the beginning and 160.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-11 02:57:15,645 INFO L158 Benchmark]: TraceAbstraction took 1560.43ms. Allocated memory is still 218.1MB. Free memory was 159.2MB in the beginning and 127.4MB in the end (delta: 31.9MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2024-10-11 02:57:15,646 INFO L158 Benchmark]: Witness Printer took 126.36ms. Allocated memory is still 218.1MB. Free memory was 127.4MB in the beginning and 121.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-11 02:57:15,647 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 161.5MB. Free memory is still 111.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 520.17ms. Allocated memory was 161.5MB in the beginning and 218.1MB in the end (delta: 56.6MB). Free memory was 90.1MB in the beginning and 185.5MB in the end (delta: -95.4MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.00ms. Allocated memory is still 218.1MB. Free memory was 185.5MB in the beginning and 183.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.03ms. Allocated memory is still 218.1MB. Free memory was 183.4MB in the beginning and 181.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 424.60ms. Allocated memory is still 218.1MB. Free memory was 181.3MB in the beginning and 160.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1560.43ms. Allocated memory is still 218.1MB. Free memory was 159.2MB in the beginning and 127.4MB in the end (delta: 31.9MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. * Witness Printer took 126.36ms. Allocated memory is still 218.1MB. Free memory was 127.4MB in the beginning and 121.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [153] - GenericResultAtLocation [Line: 237]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [237] - GenericResultAtLocation [Line: 272]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [272] - GenericResultAtLocation [Line: 300]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [300] - GenericResultAtLocation [Line: 309]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [309] - GenericResultAtLocation [Line: 477]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [477] - GenericResultAtLocation [Line: 544]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [544] * 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: 305]: 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 9 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 101 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 97 mSDsluCounter, 370 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 134 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 70 IncrementalHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 236 mSDtfsCounter, 70 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=101occurred 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, 0.4s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 136 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 487]: Location Invariant Derived location invariant: 0 - ProcedureContractResult [Line: 398]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 184]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (pumpRunning == 0) Ensures: (pumpRunning == 0) - ProcedureContractResult [Line: 196]: Procedure Contract for isMethaneLevelCritical Derived contract for procedure isMethaneLevelCritical. Requires: (pumpRunning == 0) Ensures: (pumpRunning == 0) - ProcedureContractResult [Line: 316]: 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: 172]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: (pumpRunning == 0) Ensures: (pumpRunning == 0) - ProcedureContractResult [Line: 340]: Procedure Contract for processEnvironment__wrappee__methaneQuery Derived contract for procedure processEnvironment__wrappee__methaneQuery. Requires: (pumpRunning == 0) Ensures: (pumpRunning == 0) - ProcedureContractResult [Line: 406]: Procedure Contract for isMethaneAlarm Derived contract for procedure isMethaneAlarm. Requires: 0 Ensures: 0 RESULT: Ultimate proved your program to be correct! [2024-10-11 02:57:15,676 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