./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f 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 ../sv-benchmarks/c/product-lines/minepump_spec4_product17.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 f81a9f08305b957d008555f277c01d95103d8323a1ced34ab05d9bf457dca169 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 02:05:27,027 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 02:05:27,084 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 02:05:27,089 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 02:05:27,089 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 02:05:27,116 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 02:05:27,116 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 02:05:27,117 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 02:05:27,117 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 02:05:27,118 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 02:05:27,122 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 02:05:27,123 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 02:05:27,123 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 02:05:27,124 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 02:05:27,124 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 02:05:27,124 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 02:05:27,125 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 02:05:27,128 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 02:05:27,129 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 02:05:27,129 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 02:05:27,129 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 02:05:27,133 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 02:05:27,133 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 02:05:27,134 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 02:05:27,134 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 02:05:27,134 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 02:05:27,134 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 02:05:27,135 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 02:05:27,135 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 02:05:27,135 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 02:05:27,136 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 02:05:27,136 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 02:05:27,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 02:05:27,139 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 02:05:27,139 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 02:05:27,140 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 02:05:27,140 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 02:05:27,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 02:05:27,141 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 02:05:27,141 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 02:05:27,142 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 02:05:27,143 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 02:05:27,143 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f81a9f08305b957d008555f277c01d95103d8323a1ced34ab05d9bf457dca169 [2024-11-22 02:05:27,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 02:05:27,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 02:05:27,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 02:05:27,436 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 02:05:27,437 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 02:05:27,439 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2024-11-22 02:05:28,976 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 02:05:29,217 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 02:05:29,218 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2024-11-22 02:05:29,230 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59eed648d/1b522680c4a74e889e3201571125a489/FLAG75d5cf343 [2024-11-22 02:05:29,558 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59eed648d/1b522680c4a74e889e3201571125a489 [2024-11-22 02:05:29,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 02:05:29,562 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 02:05:29,563 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 02:05:29,563 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 02:05:29,569 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 02:05:29,570 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:05:29" (1/1) ... [2024-11-22 02:05:29,570 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f0f10ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:29, skipping insertion in model container [2024-11-22 02:05:29,571 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:05:29" (1/1) ... [2024-11-22 02:05:29,608 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 02:05:29,830 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c[3323,3336] [2024-11-22 02:05:29,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 02:05:29,944 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 02:05:29,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [49] [2024-11-22 02:05:29,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [78] [2024-11-22 02:05:29,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [182] [2024-11-22 02:05:29,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [191] [2024-11-22 02:05:29,956 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [226] [2024-11-22 02:05:29,956 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [291] [2024-11-22 02:05:29,956 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [449] [2024-11-22 02:05:29,956 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [538] [2024-11-22 02:05:29,966 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c[3323,3336] [2024-11-22 02:05:30,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 02:05:30,034 INFO L204 MainTranslator]: Completed translation [2024-11-22 02:05:30,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:30 WrapperNode [2024-11-22 02:05:30,034 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 02:05:30,036 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 02:05:30,038 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 02:05:30,038 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 02:05:30,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:30" (1/1) ... [2024-11-22 02:05:30,062 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:30" (1/1) ... [2024-11-22 02:05:30,106 INFO L138 Inliner]: procedures = 52, calls = 93, calls flagged for inlining = 21, calls inlined = 17, statements flattened = 166 [2024-11-22 02:05:30,107 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 02:05:30,108 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 02:05:30,108 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 02:05:30,108 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 02:05:30,118 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:30" (1/1) ... [2024-11-22 02:05:30,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:30" (1/1) ... [2024-11-22 02:05:30,120 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:30" (1/1) ... [2024-11-22 02:05:30,134 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-22 02:05:30,134 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:30" (1/1) ... [2024-11-22 02:05:30,135 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:30" (1/1) ... [2024-11-22 02:05:30,142 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:30" (1/1) ... [2024-11-22 02:05:30,149 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:30" (1/1) ... [2024-11-22 02:05:30,150 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:30" (1/1) ... [2024-11-22 02:05:30,151 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:30" (1/1) ... [2024-11-22 02:05:30,154 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 02:05:30,154 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 02:05:30,155 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 02:05:30,155 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 02:05:30,156 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:30" (1/1) ... [2024-11-22 02:05:30,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 02:05:30,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:05:30,190 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 02:05:30,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 02:05:30,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 02:05:30,234 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-22 02:05:30,234 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-22 02:05:30,234 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-22 02:05:30,235 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-22 02:05:30,235 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-22 02:05:30,235 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-22 02:05:30,235 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-22 02:05:30,235 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-22 02:05:30,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 02:05:30,236 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-22 02:05:30,236 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-22 02:05:30,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 02:05:30,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 02:05:30,292 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 02:05:30,293 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 02:05:30,516 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-11-22 02:05:30,516 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 02:05:30,529 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 02:05:30,529 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-22 02:05:30,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:05:30 BoogieIcfgContainer [2024-11-22 02:05:30,530 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 02:05:30,533 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 02:05:30,533 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 02:05:30,537 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 02:05:30,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:05:29" (1/3) ... [2024-11-22 02:05:30,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@326a847b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:05:30, skipping insertion in model container [2024-11-22 02:05:30,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:30" (2/3) ... [2024-11-22 02:05:30,539 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@326a847b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:05:30, skipping insertion in model container [2024-11-22 02:05:30,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:05:30" (3/3) ... [2024-11-22 02:05:30,540 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product17.cil.c [2024-11-22 02:05:30,558 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 02:05:30,559 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 02:05:30,619 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 02:05:30,628 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;@53f1bafb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 02:05:30,629 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 02:05:30,634 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 54 states have (on average 1.4074074074074074) internal successors, (76), 60 states have internal predecessors, (76), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-22 02:05:30,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-22 02:05:30,644 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:05:30,645 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:05:30,646 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:05:30,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:05:30,652 INFO L85 PathProgramCache]: Analyzing trace with hash 568623252, now seen corresponding path program 1 times [2024-11-22 02:05:30,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:05:30,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933430726] [2024-11-22 02:05:30,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:05:30,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:05:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:05:30,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:05:30,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:05:30,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933430726] [2024-11-22 02:05:30,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933430726] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:05:30,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:05:30,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 02:05:30,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166088260] [2024-11-22 02:05:30,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:05:30,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 02:05:30,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:05:30,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 02:05:30,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 02:05:30,944 INFO L87 Difference]: Start difference. First operand has 69 states, 54 states have (on average 1.4074074074074074) internal successors, (76), 60 states have internal predecessors, (76), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:05:30,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:05:30,969 INFO L93 Difference]: Finished difference Result 130 states and 179 transitions. [2024-11-22 02:05:30,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 02:05:30,972 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-22 02:05:30,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:05:30,982 INFO L225 Difference]: With dead ends: 130 [2024-11-22 02:05:30,983 INFO L226 Difference]: Without dead ends: 60 [2024-11-22 02:05:30,988 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 02:05:30,991 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:05:30,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:05:31,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-22 02:05:31,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-22 02:05:31,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 47 states have (on average 1.3191489361702127) internal successors, (62), 52 states have internal predecessors, (62), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-22 02:05:31,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2024-11-22 02:05:31,046 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 19 [2024-11-22 02:05:31,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:05:31,047 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2024-11-22 02:05:31,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:05:31,047 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2024-11-22 02:05:31,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-22 02:05:31,049 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:05:31,049 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] [2024-11-22 02:05:31,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 02:05:31,050 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:05:31,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:05:31,052 INFO L85 PathProgramCache]: Analyzing trace with hash -108509492, now seen corresponding path program 1 times [2024-11-22 02:05:31,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:05:31,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083700754] [2024-11-22 02:05:31,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:05:31,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:05:31,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:05:31,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:05:31,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:05:31,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083700754] [2024-11-22 02:05:31,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083700754] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:05:31,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:05:31,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:05:31,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994365204] [2024-11-22 02:05:31,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:05:31,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:05:31,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:05:31,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:05:31,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:05:31,200 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:05:31,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:05:31,218 INFO L93 Difference]: Finished difference Result 86 states and 110 transitions. [2024-11-22 02:05:31,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:05:31,221 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-22 02:05:31,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:05:31,222 INFO L225 Difference]: With dead ends: 86 [2024-11-22 02:05:31,223 INFO L226 Difference]: Without dead ends: 51 [2024-11-22 02:05:31,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:05:31,225 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 12 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:05:31,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 112 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:05:31,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-22 02:05:31,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-22 02:05:31,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 46 states have internal predecessors, (55), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-22 02:05:31,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 65 transitions. [2024-11-22 02:05:31,240 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 65 transitions. Word has length 20 [2024-11-22 02:05:31,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:05:31,241 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 65 transitions. [2024-11-22 02:05:31,242 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:05:31,242 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2024-11-22 02:05:31,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-22 02:05:31,244 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:05:31,244 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] [2024-11-22 02:05:31,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 02:05:31,245 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:05:31,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:05:31,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1864722990, now seen corresponding path program 1 times [2024-11-22 02:05:31,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:05:31,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374642280] [2024-11-22 02:05:31,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:05:31,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:05:31,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:05:31,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:05:31,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:05:31,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374642280] [2024-11-22 02:05:31,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374642280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:05:31,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:05:31,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 02:05:31,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139000281] [2024-11-22 02:05:31,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:05:31,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:05:31,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:05:31,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:05:31,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:05:31,399 INFO L87 Difference]: Start difference. First operand 51 states and 65 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:05:31,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:05:31,416 INFO L93 Difference]: Finished difference Result 95 states and 124 transitions. [2024-11-22 02:05:31,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:05:31,417 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2024-11-22 02:05:31,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:05:31,420 INFO L225 Difference]: With dead ends: 95 [2024-11-22 02:05:31,420 INFO L226 Difference]: Without dead ends: 51 [2024-11-22 02:05:31,420 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:05:31,422 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 47 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:05:31,422 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 63 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:05:31,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-22 02:05:31,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-22 02:05:31,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 46 states have internal predecessors, (54), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-22 02:05:31,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 64 transitions. [2024-11-22 02:05:31,434 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 64 transitions. Word has length 24 [2024-11-22 02:05:31,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:05:31,434 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 64 transitions. [2024-11-22 02:05:31,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:05:31,435 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 64 transitions. [2024-11-22 02:05:31,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-22 02:05:31,435 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:05:31,436 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:05:31,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 02:05:31,438 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:05:31,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:05:31,442 INFO L85 PathProgramCache]: Analyzing trace with hash -491768668, now seen corresponding path program 1 times [2024-11-22 02:05:31,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:05:31,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855475862] [2024-11-22 02:05:31,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:05:31,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:05:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:05:31,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:05:31,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:05:31,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855475862] [2024-11-22 02:05:31,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855475862] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:05:31,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:05:31,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:05:31,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450655831] [2024-11-22 02:05:31,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:05:31,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:05:31,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:05:31,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:05:31,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:05:31,629 INFO L87 Difference]: Start difference. First operand 51 states and 64 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2024-11-22 02:05:31,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:05:31,723 INFO L93 Difference]: Finished difference Result 132 states and 175 transitions. [2024-11-22 02:05:31,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:05:31,724 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 29 [2024-11-22 02:05:31,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:05:31,726 INFO L225 Difference]: With dead ends: 132 [2024-11-22 02:05:31,726 INFO L226 Difference]: Without dead ends: 88 [2024-11-22 02:05:31,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-22 02:05:31,728 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 31 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:05:31,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 223 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:05:31,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-22 02:05:31,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-22 02:05:31,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 70 states have (on average 1.3142857142857143) internal successors, (92), 78 states have internal predecessors, (92), 10 states have call successors, (10), 8 states have call predecessors, (10), 7 states have return successors, (11), 7 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-22 02:05:31,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 113 transitions. [2024-11-22 02:05:31,743 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 113 transitions. Word has length 29 [2024-11-22 02:05:31,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:05:31,744 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 113 transitions. [2024-11-22 02:05:31,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2024-11-22 02:05:31,744 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 113 transitions. [2024-11-22 02:05:31,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-22 02:05:31,745 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:05:31,745 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:05:31,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 02:05:31,746 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:05:31,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:05:31,746 INFO L85 PathProgramCache]: Analyzing trace with hash 880095359, now seen corresponding path program 1 times [2024-11-22 02:05:31,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:05:31,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571903221] [2024-11-22 02:05:31,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:05:31,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:05:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:05:31,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:05:31,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:05:31,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571903221] [2024-11-22 02:05:31,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571903221] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:05:31,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:05:31,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:05:31,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234925840] [2024-11-22 02:05:31,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:05:31,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:05:31,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:05:31,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:05:31,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:05:31,801 INFO L87 Difference]: Start difference. First operand 88 states and 113 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 02:05:31,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:05:31,840 INFO L93 Difference]: Finished difference Result 229 states and 303 transitions. [2024-11-22 02:05:31,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:05:31,841 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2024-11-22 02:05:31,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:05:31,843 INFO L225 Difference]: With dead ends: 229 [2024-11-22 02:05:31,843 INFO L226 Difference]: Without dead ends: 148 [2024-11-22 02:05:31,844 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:05:31,845 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 46 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:05:31,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 150 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:05:31,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-22 02:05:31,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 146. [2024-11-22 02:05:31,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 115 states have (on average 1.3043478260869565) internal successors, (150), 124 states have internal predecessors, (150), 16 states have call successors, (16), 16 states have call predecessors, (16), 14 states have return successors, (22), 14 states have call predecessors, (22), 16 states have call successors, (22) [2024-11-22 02:05:31,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 188 transitions. [2024-11-22 02:05:31,869 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 188 transitions. Word has length 31 [2024-11-22 02:05:31,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:05:31,870 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 188 transitions. [2024-11-22 02:05:31,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 02:05:31,870 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 188 transitions. [2024-11-22 02:05:31,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-22 02:05:31,871 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:05:31,871 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:05:31,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 02:05:31,871 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:05:31,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:05:31,872 INFO L85 PathProgramCache]: Analyzing trace with hash 649366910, now seen corresponding path program 1 times [2024-11-22 02:05:31,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:05:31,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11668083] [2024-11-22 02:05:31,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:05:31,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:05:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:05:31,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:05:31,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:05:31,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11668083] [2024-11-22 02:05:31,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11668083] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:05:31,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:05:31,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:05:31,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545257405] [2024-11-22 02:05:31,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:05:31,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:05:31,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:05:31,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:05:31,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:05:31,948 INFO L87 Difference]: Start difference. First operand 146 states and 188 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 02:05:32,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:05:32,001 INFO L93 Difference]: Finished difference Result 208 states and 274 transitions. [2024-11-22 02:05:32,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:05:32,005 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 33 [2024-11-22 02:05:32,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:05:32,006 INFO L225 Difference]: With dead ends: 208 [2024-11-22 02:05:32,006 INFO L226 Difference]: Without dead ends: 0 [2024-11-22 02:05:32,007 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-22 02:05:32,010 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 39 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:05:32,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 124 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:05:32,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-22 02:05:32,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-22 02:05:32,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:05:32,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-22 02:05:32,015 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2024-11-22 02:05:32,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:05:32,015 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-22 02:05:32,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 02:05:32,016 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-22 02:05:32,016 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-22 02:05:32,020 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-22 02:05:32,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 02:05:32,023 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-22 02:05:32,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-22 02:05:32,399 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 02:05:32,450 WARN L156 FloydHoareUtils]: Requires clause for timeShift contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (or (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) (= 1 ~systemActive~0) (= |old(~pumpRunning~0)| 0)) Eliminated clause: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2024-11-22 02:05:32,459 WARN L156 FloydHoareUtils]: Requires clause for waterRise contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (or (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) (= 1 ~systemActive~0)) Eliminated clause: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2024-11-22 02:05:32,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 02:05:32 BoogieIcfgContainer [2024-11-22 02:05:32,462 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 02:05:32,463 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 02:05:32,463 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 02:05:32,463 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 02:05:32,464 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:05:30" (3/4) ... [2024-11-22 02:05:32,466 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 02:05:32,471 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-22 02:05:32,472 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-22 02:05:32,472 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-22 02:05:32,472 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-22 02:05:32,472 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-22 02:05:32,480 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-22 02:05:32,480 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-22 02:05:32,481 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-22 02:05:32,481 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 02:05:32,481 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 02:05:32,595 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 02:05:32,595 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 02:05:32,597 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 02:05:32,598 INFO L158 Benchmark]: Toolchain (without parser) took 3036.50ms. Allocated memory was 151.0MB in the beginning and 218.1MB in the end (delta: 67.1MB). Free memory was 97.6MB in the beginning and 117.6MB in the end (delta: -20.0MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. [2024-11-22 02:05:32,598 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 151.0MB. Free memory was 85.3MB in the beginning and 85.1MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 02:05:32,599 INFO L158 Benchmark]: CACSL2BoogieTranslator took 471.92ms. Allocated memory is still 151.0MB. Free memory was 97.6MB in the beginning and 76.6MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-22 02:05:32,599 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.00ms. Allocated memory was 151.0MB in the beginning and 218.1MB in the end (delta: 67.1MB). Free memory was 76.6MB in the beginning and 189.3MB in the end (delta: -112.7MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2024-11-22 02:05:32,599 INFO L158 Benchmark]: Boogie Preprocessor took 45.88ms. Allocated memory is still 218.1MB. Free memory was 189.3MB in the beginning and 187.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 02:05:32,599 INFO L158 Benchmark]: RCFGBuilder took 375.54ms. Allocated memory is still 218.1MB. Free memory was 187.1MB in the beginning and 174.1MB in the end (delta: 13.0MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2024-11-22 02:05:32,599 INFO L158 Benchmark]: TraceAbstraction took 1929.22ms. Allocated memory is still 218.1MB. Free memory was 174.1MB in the beginning and 123.9MB in the end (delta: 50.2MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2024-11-22 02:05:32,600 INFO L158 Benchmark]: Witness Printer took 134.83ms. Allocated memory is still 218.1MB. Free memory was 123.9MB in the beginning and 117.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-22 02:05:32,601 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 151.0MB. Free memory was 85.3MB in the beginning and 85.1MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 471.92ms. Allocated memory is still 151.0MB. Free memory was 97.6MB in the beginning and 76.6MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.00ms. Allocated memory was 151.0MB in the beginning and 218.1MB in the end (delta: 67.1MB). Free memory was 76.6MB in the beginning and 189.3MB in the end (delta: -112.7MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.88ms. Allocated memory is still 218.1MB. Free memory was 189.3MB in the beginning and 187.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 375.54ms. Allocated memory is still 218.1MB. Free memory was 187.1MB in the beginning and 174.1MB in the end (delta: 13.0MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1929.22ms. Allocated memory is still 218.1MB. Free memory was 174.1MB in the beginning and 123.9MB in the end (delta: 50.2MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. * Witness Printer took 134.83ms. Allocated memory is still 218.1MB. Free memory was 123.9MB in the beginning and 117.6MB 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,"Specification4_spec.i","") [49] - GenericResultAtLocation [Line: 78]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [78] - GenericResultAtLocation [Line: 182]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [182] - GenericResultAtLocation [Line: 191]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [191] - GenericResultAtLocation [Line: 226]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [226] - GenericResultAtLocation [Line: 291]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [291] - GenericResultAtLocation [Line: 449]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [449] - GenericResultAtLocation [Line: 538]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [538] * 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: 187]: 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 6 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 178 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 175 mSDsluCounter, 758 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 342 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 51 IncrementalHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 416 mSDtfsCounter, 51 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=146occurred in iteration=5, InterpolantAutomatonStates: 21, 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, 6 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 156 NumberOfCodeBlocks, 156 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 264 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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: 91]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (1 == systemActive)) && (splverifierCounter == 0)) - InvariantResult [Line: 236]: Location Invariant Derived location invariant: 0 - ProcedureContractResult [Line: 325]: Procedure Contract for processEnvironment__wrappee__base Derived contract for procedure processEnvironment__wrappee__base. Requires: ((pumpRunning == 0) && (1 == systemActive)) Ensures: (((pumpRunning == 0) && (1 == systemActive)) && ((((((cleanupTimeShifts == \old(cleanupTimeShifts)) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (head == \old(head)))) - ProcedureContractResult [Line: 476]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: ((pumpRunning == 0) && (1 == systemActive)) Ensures: (((pumpRunning == 0) && (1 == systemActive)) && (((((cleanupTimeShifts == \old(cleanupTimeShifts)) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (waterLevel == \old(waterLevel))) && (head == \old(head)))) - ProcedureContractResult [Line: 301]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: ((pumpRunning == 0) && (1 == systemActive)) Ensures: (((((pumpRunning == 0) && ((\old(waterLevel) != 1) || (waterLevel == 1))) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && ((((cleanupTimeShifts == \old(cleanupTimeShifts)) && (systemActive == \old(systemActive))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (head == \old(head)))) - ProcedureContractResult [Line: 81]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((cleanupTimeShifts == \old(cleanupTimeShifts)) && (systemActive == \old(systemActive))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (head == \old(head)))) - ProcedureContractResult [Line: 464]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: ((pumpRunning == 0) && (1 == systemActive)) Ensures: (((pumpRunning == 0) && (1 == systemActive)) && (((((cleanupTimeShifts == \old(cleanupTimeShifts)) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (head == \old(head)))) RESULT: Ultimate proved your program to be correct! [2024-11-22 02:05:32,628 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE